diff --git "a/env-llmeval/lib/python3.10/site-packages/nvidia/cuda_cupti/include/cupti_activity.h" "b/env-llmeval/lib/python3.10/site-packages/nvidia/cuda_cupti/include/cupti_activity.h" new file mode 100644--- /dev/null +++ "b/env-llmeval/lib/python3.10/site-packages/nvidia/cuda_cupti/include/cupti_activity.h" @@ -0,0 +1,11604 @@ +/* + * Copyright 2011-2021 NVIDIA Corporation. All rights reserved. + * + * NOTICE TO LICENSEE: + * + * This source code and/or documentation ("Licensed Deliverables") are + * subject to NVIDIA intellectual property rights under U.S. and + * international Copyright laws. + * + * These Licensed Deliverables contained herein is PROPRIETARY and + * CONFIDENTIAL to NVIDIA and is being provided under the terms and + * conditions of a form of NVIDIA software license agreement by and + * between NVIDIA and Licensee ("License Agreement") or electronically + * accepted by Licensee. Notwithstanding any terms or conditions to + * the contrary in the License Agreement, reproduction or disclosure + * of the Licensed Deliverables to any third party without the express + * written consent of NVIDIA is prohibited. + * + * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE + * LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE + * SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. IT IS + * PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. + * NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED + * DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, + * NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE. + * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE + * LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY + * SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY + * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THESE LICENSED DELIVERABLES. + * + * U.S. Government End Users. These Licensed Deliverables are a + * "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT + * 1995), consisting of "commercial computer software" and "commercial + * computer software documentation" as such terms are used in 48 + * C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government + * only as a commercial end item. Consistent with 48 C.F.R.12.212 and + * 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all + * U.S. Government End Users acquire the Licensed Deliverables with + * only those rights set forth herein. + * + * Any use of the Licensed Deliverables in individual and commercial + * software must include, in the user documentation and internal + * comments to the code, the above Disclaimer and U.S. Government End + * Users Notice. + */ + +#if !defined(_CUPTI_ACTIVITY_H_) +#define _CUPTI_ACTIVITY_H_ + +#include +#include +#include +#include +#include +#if defined(CUPTI_DIRECTIVE_SUPPORT) +#include +#include +#endif + +#ifndef CUPTIAPI +#ifdef _WIN32 +#define CUPTIAPI __stdcall +#else +#define CUPTIAPI +#endif +#endif + +#if defined(__LP64__) +#define CUPTILP64 1 +#elif defined(_WIN64) +#define CUPTILP64 1 +#else +#undef CUPTILP64 +#endif + +#define ACTIVITY_RECORD_ALIGNMENT 8 +#if defined(_WIN32) // Windows 32- and 64-bit +#define START_PACKED_ALIGNMENT __pragma(pack(push,1)) // exact fit - no padding +#define PACKED_ALIGNMENT __declspec(align(ACTIVITY_RECORD_ALIGNMENT)) +#define END_PACKED_ALIGNMENT __pragma(pack(pop)) +#elif defined(__GNUC__) // GCC +#define START_PACKED_ALIGNMENT +#define PACKED_ALIGNMENT __attribute__ ((__packed__)) __attribute__ ((aligned (ACTIVITY_RECORD_ALIGNMENT))) +#define END_PACKED_ALIGNMENT +#else // all other compilers +#define START_PACKED_ALIGNMENT +#define PACKED_ALIGNMENT +#define END_PACKED_ALIGNMENT +#endif + +#define CUPTI_UNIFIED_MEMORY_CPU_DEVICE_ID ((uint32_t) 0xFFFFFFFFU) +#define CUPTI_INVALID_CONTEXT_ID ((uint32_t) 0xFFFFFFFFU) +#define CUPTI_INVALID_STREAM_ID ((uint32_t) 0xFFFFFFFFU) +#define CUPTI_INVALID_CHANNEL_ID ((uint32_t) 0xFFFFFFFFU) +#if defined(__cplusplus) +extern "C" { +#endif + +#if defined(__GNUC__) && defined(CUPTI_LIB) + #pragma GCC visibility push(default) +#endif + +#define invalidNumaId ((uint32_t) 0xFFFFFFFF) + +/** + * \defgroup CUPTI_ACTIVITY_API CUPTI Activity API + * Functions, types, and enums that implement the CUPTI Activity API. + * @{ + */ + +/** + * \brief The kinds of activity records. + * + * Each activity record kind represents information about a GPU or an + * activity occurring on a CPU or GPU. Each kind is associated with a + * activity record structure that holds the information associated + * with the kind. + * \see CUpti_Activity + * \see CUpti_ActivityAPI + * \see CUpti_ActivityContext + * \see CUpti_ActivityDevice + * \see CUpti_ActivityDevice2 + * \see CUpti_ActivityDevice3 + * \see CUpti_ActivityDevice4 + * \see CUpti_ActivityDeviceAttribute + * \see CUpti_ActivityEvent + * \see CUpti_ActivityEventInstance + * \see CUpti_ActivityKernel + * \see CUpti_ActivityKernel2 + * \see CUpti_ActivityKernel3 + * \see CUpti_ActivityKernel4 + * \see CUpti_ActivityKernel5 + * \see CUpti_ActivityKernel6 + * \see CUpti_ActivityKernel7 + * \see CUpti_ActivityKernel8 + * \see CUpti_ActivityKernel9 + * \see CUpti_ActivityCdpKernel + * \see CUpti_ActivityPreemption + * \see CUpti_ActivityMemcpy + * \see CUpti_ActivityMemcpy3 + * \see CUpti_ActivityMemcpy4 + * \see CUpti_ActivityMemcpy5 + * \see CUpti_ActivityMemcpyPtoP + * \see CUpti_ActivityMemcpyPtoP2 + * \see CUpti_ActivityMemcpyPtoP3 + * \see CUpti_ActivityMemcpyPtoP4 + * \see CUpti_ActivityMemset + * \see CUpti_ActivityMemset2 + * \see CUpti_ActivityMemset3 + * \see CUpti_ActivityMemset4 + * \see CUpti_ActivityMetric + * \see CUpti_ActivityMetricInstance + * \see CUpti_ActivityName + * \see CUpti_ActivityMarker + * \see CUpti_ActivityMarker2 + * \see CUpti_ActivityMarkerData + * \see CUpti_ActivitySourceLocator + * \see CUpti_ActivityGlobalAccess + * \see CUpti_ActivityGlobalAccess2 + * \see CUpti_ActivityGlobalAccess3 + * \see CUpti_ActivityBranch + * \see CUpti_ActivityBranch2 + * \see CUpti_ActivityOverhead + * \see CUpti_ActivityEnvironment + * \see CUpti_ActivityInstructionExecution + * \see CUpti_ActivityUnifiedMemoryCounter + * \see CUpti_ActivityFunction + * \see CUpti_ActivityModule + * \see CUpti_ActivitySharedAccess + * \see CUpti_ActivityPCSampling + * \see CUpti_ActivityPCSampling2 + * \see CUpti_ActivityPCSampling3 + * \see CUpti_ActivityPCSamplingRecordInfo + * \see CUpti_ActivityCudaEvent + * \see CUpti_ActivityStream + * \see CUpti_ActivitySynchronization + * \see CUpti_ActivityInstructionCorrelation + * \see CUpti_ActivityExternalCorrelation + * \see CUpti_ActivityUnifiedMemoryCounter2 + * \see CUpti_ActivityOpenAccData + * \see CUpti_ActivityOpenAccLaunch + * \see CUpti_ActivityOpenAccOther + * \see CUpti_ActivityOpenMp + * \see CUpti_ActivityNvLink + * \see CUpti_ActivityNvLink2 + * \see CUpti_ActivityNvLink3 + * \see CUpti_ActivityNvLink4 + * \see CUpti_ActivityMemory + * \see CUpti_ActivityPcie + */ +typedef enum { + /** + * The activity record is invalid. + */ + CUPTI_ACTIVITY_KIND_INVALID = 0, + + /** + * A host<->host, host<->device, or device<->device memory copy. The + * corresponding activity record structure is \ref + * CUpti_ActivityMemcpy5. + */ + CUPTI_ACTIVITY_KIND_MEMCPY = 1, + + /** + * A memory set executing on the GPU. The corresponding activity + * record structure is \ref CUpti_ActivityMemset4. + */ + CUPTI_ACTIVITY_KIND_MEMSET = 2, + + /** + * A kernel executing on the GPU. This activity kind may significantly change + * the overall performance characteristics of the application because all + * kernel executions are serialized on the GPU. Other activity kind for kernel + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL doesn't break kernel concurrency. + * The corresponding activity record structure is \ref CUpti_ActivityKernel9. + */ + CUPTI_ACTIVITY_KIND_KERNEL = 3, + + /** + * A CUDA driver API function execution. The corresponding activity + * record structure is \ref CUpti_ActivityAPI. + */ + CUPTI_ACTIVITY_KIND_DRIVER = 4, + + /** + * A CUDA runtime API function execution. The corresponding activity + * record structure is \ref CUpti_ActivityAPI. + */ + CUPTI_ACTIVITY_KIND_RUNTIME = 5, + + /** + * An event value. The corresponding activity record structure is + * \ref CUpti_ActivityEvent. + */ + CUPTI_ACTIVITY_KIND_EVENT = 6, + + /** + * A metric value. The corresponding activity record structure is + * \ref CUpti_ActivityMetric. + */ + CUPTI_ACTIVITY_KIND_METRIC = 7, + + /** + * Information about a device. The corresponding activity record + * structure is \ref CUpti_ActivityDevice4. + */ + CUPTI_ACTIVITY_KIND_DEVICE = 8, + + /** + * Information about a context. The corresponding activity record + * structure is \ref CUpti_ActivityContext. + */ + CUPTI_ACTIVITY_KIND_CONTEXT = 9, + + /** + * A kernel executing on the GPU. This activity kind doesn't break + * kernel concurrency. The corresponding activity record structure + * is \ref CUpti_ActivityKernel9. + */ + CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL = 10, + + /** + * Resource naming done via NVTX APIs for thread, device, context, etc. + * The corresponding activity record structure is \ref CUpti_ActivityName. + */ + CUPTI_ACTIVITY_KIND_NAME = 11, + + /** + * Instantaneous, start, or end NVTX marker. The corresponding activity + * record structure is \ref CUpti_ActivityMarker2. + */ + CUPTI_ACTIVITY_KIND_MARKER = 12, + + /** + * Extended, optional, data about a marker. The corresponding + * activity record structure is \ref CUpti_ActivityMarkerData. + */ + CUPTI_ACTIVITY_KIND_MARKER_DATA = 13, + + /** + * Source information about source level result. The corresponding + * activity record structure is \ref CUpti_ActivitySourceLocator. + */ + CUPTI_ACTIVITY_KIND_SOURCE_LOCATOR = 14, + + /** + * Results for source-level global acccess. The + * corresponding activity record structure is \ref + * CUpti_ActivityGlobalAccess3. + */ + CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS = 15, + + /** + * Results for source-level branch. The corresponding + * activity record structure is \ref CUpti_ActivityBranch2. + */ + CUPTI_ACTIVITY_KIND_BRANCH = 16, + + /** + * Overhead activity records. The + * corresponding activity record structure is + * \ref CUpti_ActivityOverhead. + */ + CUPTI_ACTIVITY_KIND_OVERHEAD = 17, + + /** + * A CDP (CUDA Dynamic Parallel) kernel executing on the GPU. The + * corresponding activity record structure is \ref + * CUpti_ActivityCdpKernel. This activity can not be directly + * enabled or disabled. It is enabled and disabled through + * concurrent kernel activity i.e. _CONCURRENT_KERNEL. + */ + CUPTI_ACTIVITY_KIND_CDP_KERNEL = 18, + /** + * Preemption activity record indicating a preemption of a CDP (CUDA + * Dynamic Parallel) kernel executing on the GPU. The corresponding + * activity record structure is \ref CUpti_ActivityPreemption. + */ + CUPTI_ACTIVITY_KIND_PREEMPTION = 19, + + /** + * Environment activity records indicating power, clock, thermal, + * etc. levels of the GPU. The corresponding activity record + * structure is \ref CUpti_ActivityEnvironment. + */ + CUPTI_ACTIVITY_KIND_ENVIRONMENT = 20, + + /** + * An event value associated with a specific event domain + * instance. The corresponding activity record structure is \ref + * CUpti_ActivityEventInstance. + */ + CUPTI_ACTIVITY_KIND_EVENT_INSTANCE = 21, + + /** + * A peer to peer memory copy. The corresponding activity record + * structure is \ref CUpti_ActivityMemcpyPtoP4. + */ + CUPTI_ACTIVITY_KIND_MEMCPY2 = 22, + + /** + * A metric value associated with a specific metric domain + * instance. The corresponding activity record structure is \ref + * CUpti_ActivityMetricInstance. + */ + CUPTI_ACTIVITY_KIND_METRIC_INSTANCE = 23, + + /** + * Results for source-level instruction execution. + * The corresponding activity record structure is \ref + * CUpti_ActivityInstructionExecution. + */ + CUPTI_ACTIVITY_KIND_INSTRUCTION_EXECUTION = 24, + + /** + * Unified Memory counter record. The corresponding activity + * record structure is \ref CUpti_ActivityUnifiedMemoryCounter2. + */ + CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER = 25, + + /** + * Device global/function record. The corresponding activity + * record structure is \ref CUpti_ActivityFunction. + */ + CUPTI_ACTIVITY_KIND_FUNCTION = 26, + + /** + * CUDA Module record. The corresponding activity + * record structure is \ref CUpti_ActivityModule. + */ + CUPTI_ACTIVITY_KIND_MODULE = 27, + + /** + * A device attribute value. The corresponding activity record + * structure is \ref CUpti_ActivityDeviceAttribute. + */ + CUPTI_ACTIVITY_KIND_DEVICE_ATTRIBUTE = 28, + + /** + * Results for source-level shared acccess. The + * corresponding activity record structure is \ref + * CUpti_ActivitySharedAccess. + */ + CUPTI_ACTIVITY_KIND_SHARED_ACCESS = 29, + + /** + * Enable PC sampling for kernels. This will serialize + * kernels. The corresponding activity record structure + * is \ref CUpti_ActivityPCSampling3. + */ + CUPTI_ACTIVITY_KIND_PC_SAMPLING = 30, + + /** + * Summary information about PC sampling records. The + * corresponding activity record structure is \ref + * CUpti_ActivityPCSamplingRecordInfo. + */ + CUPTI_ACTIVITY_KIND_PC_SAMPLING_RECORD_INFO = 31, + + /** + * SASS/Source line-by-line correlation record. + * This will generate sass/source correlation for functions that have source + * level analysis or pc sampling results. The records will be generated only + * when either of source level analysis or pc sampling activity is enabled. + * The corresponding activity record structure is \ref + * CUpti_ActivityInstructionCorrelation. + */ + CUPTI_ACTIVITY_KIND_INSTRUCTION_CORRELATION = 32, + + /** + * OpenACC data events. + * The corresponding activity record structure is \ref + * CUpti_ActivityOpenAccData. + */ + CUPTI_ACTIVITY_KIND_OPENACC_DATA = 33, + + /** + * OpenACC launch events. + * The corresponding activity record structure is \ref + * CUpti_ActivityOpenAccLaunch. + */ + CUPTI_ACTIVITY_KIND_OPENACC_LAUNCH = 34, + + /** + * OpenACC other events. + * The corresponding activity record structure is \ref + * CUpti_ActivityOpenAccOther. + */ + CUPTI_ACTIVITY_KIND_OPENACC_OTHER = 35, + + /** + * Information about a CUDA event. The + * corresponding activity record structure is \ref + * CUpti_ActivityCudaEvent. + */ + CUPTI_ACTIVITY_KIND_CUDA_EVENT = 36, + + /** + * Information about a CUDA stream. The + * corresponding activity record structure is \ref + * CUpti_ActivityStream. + */ + CUPTI_ACTIVITY_KIND_STREAM = 37, + + /** + * Records for synchronization management. The + * corresponding activity record structure is \ref + * CUpti_ActivitySynchronization. + */ + CUPTI_ACTIVITY_KIND_SYNCHRONIZATION = 38, + + /** + * Records for correlation of different programming APIs. The + * corresponding activity record structure is \ref + * CUpti_ActivityExternalCorrelation. + */ + CUPTI_ACTIVITY_KIND_EXTERNAL_CORRELATION = 39, + + /** + * NVLink information. + * The corresponding activity record structure is \ref + * CUpti_ActivityNvLink4. + */ + CUPTI_ACTIVITY_KIND_NVLINK = 40, + + /** + * Instantaneous Event information. + * The corresponding activity record structure is \ref + * CUpti_ActivityInstantaneousEvent. + */ + CUPTI_ACTIVITY_KIND_INSTANTANEOUS_EVENT = 41, + + /** + * Instantaneous Event information for a specific event + * domain instance. + * The corresponding activity record structure is \ref + * CUpti_ActivityInstantaneousEventInstance + */ + CUPTI_ACTIVITY_KIND_INSTANTANEOUS_EVENT_INSTANCE = 42, + + /** + * Instantaneous Metric information + * The corresponding activity record structure is \ref + * CUpti_ActivityInstantaneousMetric. + */ + CUPTI_ACTIVITY_KIND_INSTANTANEOUS_METRIC = 43, + + /** + * Instantaneous Metric information for a specific metric + * domain instance. + * The corresponding activity record structure is \ref + * CUpti_ActivityInstantaneousMetricInstance. + */ + CUPTI_ACTIVITY_KIND_INSTANTANEOUS_METRIC_INSTANCE = 44, + + /** + * Memory activity tracking allocation and freeing of the memory + * The corresponding activity record structure is \ref + * CUpti_ActivityMemory. + */ + CUPTI_ACTIVITY_KIND_MEMORY = 45, + + /** + * PCI devices information used for PCI topology. + * The corresponding activity record structure is \ref + * CUpti_ActivityPcie. + */ + CUPTI_ACTIVITY_KIND_PCIE = 46, + + /** + * OpenMP parallel events. + * The corresponding activity record structure is \ref + * CUpti_ActivityOpenMp. + */ + CUPTI_ACTIVITY_KIND_OPENMP = 47, + + /** + * A CUDA driver kernel launch occurring outside of any + * public API function execution. Tools can handle these + * like records for driver API launch functions, although + * the cbid field is not used here. + * The corresponding activity record structure is \ref + * CUpti_ActivityAPI. + */ + CUPTI_ACTIVITY_KIND_INTERNAL_LAUNCH_API = 48, + + /** + * Memory activity tracking allocation and freeing of the memory + * The corresponding activity record structure is \ref + * CUpti_ActivityMemory3. + */ + CUPTI_ACTIVITY_KIND_MEMORY2 = 49, + + /** + * Memory pool activity tracking creation, destruction and + * triming of the memory pool. + * The corresponding activity record structure is \ref + * CUpti_ActivityMemoryPool2. + */ + CUPTI_ACTIVITY_KIND_MEMORY_POOL = 50, + + /** + * The corresponding activity record structure is + * \ref CUpti_ActivityGraphTrace. + */ + CUPTI_ACTIVITY_KIND_GRAPH_TRACE = 51, + + /** + * JIT operation tracking + * The corresponding activity record structure is \ref + * CUpti_ActivityJit. + */ + CUPTI_ACTIVITY_KIND_JIT = 52, + + CUPTI_ACTIVITY_KIND_COUNT, + + CUPTI_ACTIVITY_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityKind; + +/** + * \brief The kinds of activity objects. + * \see CUpti_ActivityObjectKindId + */ +typedef enum { + /** + * The object kind is not known. + */ + CUPTI_ACTIVITY_OBJECT_UNKNOWN = 0, + + /** + * A process. + */ + CUPTI_ACTIVITY_OBJECT_PROCESS = 1, + + /** + * A thread. + */ + CUPTI_ACTIVITY_OBJECT_THREAD = 2, + + /** + * A device. + */ + CUPTI_ACTIVITY_OBJECT_DEVICE = 3, + + /** + * A context. + */ + CUPTI_ACTIVITY_OBJECT_CONTEXT = 4, + + /** + * A stream. + */ + CUPTI_ACTIVITY_OBJECT_STREAM = 5, + + CUPTI_ACTIVITY_OBJECT_FORCE_INT = 0x7fffffff +} CUpti_ActivityObjectKind; + +/** + * \brief Identifiers for object kinds as specified by + * CUpti_ActivityObjectKind. + * \see CUpti_ActivityObjectKind + */ +typedef union { + /** + * A process object requires that we identify the process ID. A + * thread object requires that we identify both the process and + * thread ID. + */ + struct { + uint32_t processId; + uint32_t threadId; + } pt; + + /** + * A device object requires that we identify the device ID. A + * context object requires that we identify both the device and + * context ID. A stream object requires that we identify device, + * context, and stream ID. + */ + struct { + uint32_t deviceId; + uint32_t contextId; + uint32_t streamId; + } dcs; +} CUpti_ActivityObjectKindId; + +/** + * \brief The kinds of activity overhead. + */ +typedef enum { + /** + * The overhead kind is not known. + */ + CUPTI_ACTIVITY_OVERHEAD_UNKNOWN = 0, + + /** + * Compiler overhead. + */ + CUPTI_ACTIVITY_OVERHEAD_DRIVER_COMPILER = 1, + + /** + * Activity buffer flush overhead. + */ + CUPTI_ACTIVITY_OVERHEAD_CUPTI_BUFFER_FLUSH = 1<<16, + + /** + * CUPTI instrumentation overhead. + */ + CUPTI_ACTIVITY_OVERHEAD_CUPTI_INSTRUMENTATION = 2<<16, + + /** + * CUPTI resource creation and destruction overhead. + */ + CUPTI_ACTIVITY_OVERHEAD_CUPTI_RESOURCE = 3<<16, + CUPTI_ACTIVITY_OVERHEAD_FORCE_INT = 0x7fffffff +} CUpti_ActivityOverheadKind; + +/** + * \brief The kind of a compute API. + */ +typedef enum { + /** + * The compute API is not known. + */ + CUPTI_ACTIVITY_COMPUTE_API_UNKNOWN = 0, + + /** + * The compute APIs are for CUDA. + */ + CUPTI_ACTIVITY_COMPUTE_API_CUDA = 1, + + /** + * The compute APIs are for CUDA running + * in MPS (Multi-Process Service) environment. + */ + CUPTI_ACTIVITY_COMPUTE_API_CUDA_MPS = 2, + + CUPTI_ACTIVITY_COMPUTE_API_FORCE_INT = 0x7fffffff +} CUpti_ActivityComputeApiKind; + +/** + * \brief Flags associated with activity records. + * + * Activity record flags. Flags can be combined by bitwise OR to + * associated multiple flags with an activity record. Each flag is + * specific to a certain activity kind, as noted below. + */ +typedef enum { + /** + * Indicates the activity record has no flags. + */ + CUPTI_ACTIVITY_FLAG_NONE = 0, + + /** + * Indicates the activity represents a device that supports + * concurrent kernel execution. Valid for + * CUPTI_ACTIVITY_KIND_DEVICE. + */ + CUPTI_ACTIVITY_FLAG_DEVICE_CONCURRENT_KERNELS = 1 << 0, + + /** + * Indicates if the activity represents a CUdevice_attribute value + * or a CUpti_DeviceAttribute value. Valid for + * CUPTI_ACTIVITY_KIND_DEVICE_ATTRIBUTE. + */ + CUPTI_ACTIVITY_FLAG_DEVICE_ATTRIBUTE_CUDEVICE = 1 << 0, + + /** + * Indicates the activity represents an asynchronous memcpy + * operation. Valid for CUPTI_ACTIVITY_KIND_MEMCPY. + */ + CUPTI_ACTIVITY_FLAG_MEMCPY_ASYNC = 1 << 0, + + /** + * Indicates the activity represents an instantaneous marker. Valid + * for CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_INSTANTANEOUS = 1 << 0, + + /** + * Indicates the activity represents a region start marker. Valid + * for CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_START = 1 << 1, + + /** + * Indicates the activity represents a region end marker. Valid for + * CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_END = 1 << 2, + + /** + * Indicates the activity represents an attempt to acquire a user + * defined synchronization object. + * Valid for CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_SYNC_ACQUIRE = 1 << 3, + + /** + * Indicates the activity represents success in acquiring the + * user defined synchronization object. + * Valid for CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_SYNC_ACQUIRE_SUCCESS = 1 << 4, + + /** + * Indicates the activity represents failure in acquiring the + * user defined synchronization object. + * Valid for CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_SYNC_ACQUIRE_FAILED = 1 << 5, + + /** + * Indicates the activity represents releasing a reservation on + * user defined synchronization object. + * Valid for CUPTI_ACTIVITY_KIND_MARKER. + */ + CUPTI_ACTIVITY_FLAG_MARKER_SYNC_RELEASE = 1 << 6, + + /** + * Indicates the activity represents a marker that does not specify + * a color. Valid for CUPTI_ACTIVITY_KIND_MARKER_DATA. + */ + CUPTI_ACTIVITY_FLAG_MARKER_COLOR_NONE = 1 << 0, + + /** + * Indicates the activity represents a marker that specifies a color + * in alpha-red-green-blue format. Valid for + * CUPTI_ACTIVITY_KIND_MARKER_DATA. + */ + CUPTI_ACTIVITY_FLAG_MARKER_COLOR_ARGB = 1 << 1, + + /** + * The number of bytes requested by each thread + * Valid for CUpti_ActivityGlobalAccess3. + */ + CUPTI_ACTIVITY_FLAG_GLOBAL_ACCESS_KIND_SIZE_MASK = 0xFF << 0, + + /** + * If bit in this flag is set, the access was load, else it is a + * store access. Valid for CUpti_ActivityGlobalAccess3. + */ + CUPTI_ACTIVITY_FLAG_GLOBAL_ACCESS_KIND_LOAD = 1 << 8, + + /** + * If this bit in flag is set, the load access was cached else it is + * uncached. Valid for CUpti_ActivityGlobalAccess3. + */ + CUPTI_ACTIVITY_FLAG_GLOBAL_ACCESS_KIND_CACHED = 1 << 9, + + /** + * If this bit in flag is set, the metric value overflowed. Valid + * for CUpti_ActivityMetric and CUpti_ActivityMetricInstance. + */ + CUPTI_ACTIVITY_FLAG_METRIC_OVERFLOWED = 1 << 0, + + /** + * If this bit in flag is set, the metric value couldn't be + * calculated. This occurs when a value(s) required to calculate the + * metric is missing. Valid for CUpti_ActivityMetric and + * CUpti_ActivityMetricInstance. + */ + CUPTI_ACTIVITY_FLAG_METRIC_VALUE_INVALID = 1 << 1, + + /** + * If this bit in flag is set, the source level metric value couldn't be + * calculated. This occurs when a value(s) required to calculate the + * source level metric cannot be evaluated. + * Valid for CUpti_ActivityInstructionExecution. + */ + CUPTI_ACTIVITY_FLAG_INSTRUCTION_VALUE_INVALID = 1 << 0, + + /** + * The mask for the instruction class, \ref CUpti_ActivityInstructionClass + * Valid for CUpti_ActivityInstructionExecution and + * CUpti_ActivityInstructionCorrelation + */ + CUPTI_ACTIVITY_FLAG_INSTRUCTION_CLASS_MASK = 0xFF << 1, + + /** + * When calling cuptiActivityFlushAll, this flag + * can be set to force CUPTI to flush all records in the buffer, whether + * finished or not + */ + CUPTI_ACTIVITY_FLAG_FLUSH_FORCED = 1 << 0, + + /** + * The number of bytes requested by each thread + * Valid for CUpti_ActivitySharedAccess. + */ + CUPTI_ACTIVITY_FLAG_SHARED_ACCESS_KIND_SIZE_MASK = 0xFF << 0, + + /** + * If bit in this flag is set, the access was load, else it is a + * store access. Valid for CUpti_ActivitySharedAccess. + */ + CUPTI_ACTIVITY_FLAG_SHARED_ACCESS_KIND_LOAD = 1 << 8, + + /** + * Indicates the activity represents an asynchronous memset + * operation. Valid for CUPTI_ACTIVITY_KIND_MEMSET. + */ + CUPTI_ACTIVITY_FLAG_MEMSET_ASYNC = 1 << 0, + + /** + * Indicates the activity represents thrashing in CPU. + * Valid for counter of kind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING in + * CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER + */ + CUPTI_ACTIVITY_FLAG_THRASHING_IN_CPU = 1 << 0, + + /** + * Indicates the activity represents page throttling in CPU. + * Valid for counter of kind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THROTTLING in + * CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER + */ + CUPTI_ACTIVITY_FLAG_THROTTLING_IN_CPU = 1 << 0, + + CUPTI_ACTIVITY_FLAG_FORCE_INT = 0x7fffffff +} CUpti_ActivityFlag; + +/** + * \brief The stall reason for PC sampling activity. + */ +typedef enum { + /** + * Invalid reason + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_INVALID = 0, + + /** + * No stall, instruction is selected for issue + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_NONE = 1, + + /** + * Warp is blocked because next instruction is not yet available, + * because of instruction cache miss, or because of branching effects + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_INST_FETCH = 2, + + /** + * Instruction is waiting on an arithmatic dependency + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_EXEC_DEPENDENCY = 3, + + /** + * Warp is blocked because it is waiting for a memory access to complete. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_MEMORY_DEPENDENCY = 4, + + /** + * Texture sub-system is fully utilized or has too many outstanding requests. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_TEXTURE = 5, + + /** + * Warp is blocked as it is waiting at __syncthreads() or at memory barrier. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_SYNC = 6, + + /** + * Warp is blocked waiting for __constant__ memory and immediate memory access to complete. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_CONSTANT_MEMORY_DEPENDENCY = 7, + + /** + * Compute operation cannot be performed due to the required resources not + * being available. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_PIPE_BUSY = 8, + + /** + * Warp is blocked because there are too many pending memory operations. + * In Kepler architecture it often indicates high number of memory replays. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_MEMORY_THROTTLE = 9, + + /** + * Warp was ready to issue, but some other warp issued instead. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_NOT_SELECTED = 10, + + /** + * Miscellaneous reasons + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_OTHER = 11, + + /** + * Sleeping. + */ + CUPTI_ACTIVITY_PC_SAMPLING_STALL_SLEEPING = 12, + + CUPTI_ACTIVITY_PC_SAMPLING_STALL_FORCE_INT = 0x7fffffff +} CUpti_ActivityPCSamplingStallReason; + +/** + * \brief Sampling period for PC sampling method + * + * Sampling period can be set using \ref cuptiActivityConfigurePCSampling + */ +typedef enum { + /** + * The PC sampling period is not set. + */ + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_INVALID = 0, + + /** + * Minimum sampling period available on the device. + */ + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_MIN = 1, + + /** + * Sampling period in lower range. + */ + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_LOW = 2, + + /** + * Medium sampling period. + */ + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_MID = 3, + + /** + * Sampling period in higher range. + */ + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_HIGH = 4, + + /** + * Maximum sampling period available on the device. + */ + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_MAX = 5, + + CUPTI_ACTIVITY_PC_SAMPLING_PERIOD_FORCE_INT = 0x7fffffff +} CUpti_ActivityPCSamplingPeriod; + +/** + * \brief The kind of a memory copy, indicating the source and + * destination targets of the copy. + * + * Each kind represents the source and destination targets of a memory + * copy. Targets are host, device, and array. + */ +typedef enum { + /** + * The memory copy kind is not known. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_UNKNOWN = 0, + + /** + * A host to device memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_HTOD = 1, + + /** + * A device to host memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_DTOH = 2, + + /** + * A host to device array memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_HTOA = 3, + + /** + * A device array to host memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_ATOH = 4, + + /** + * A device array to device array memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_ATOA = 5, + + /** + * A device array to device memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_ATOD = 6, + + /** + * A device to device array memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_DTOA = 7, + + /** + * A device to device memory copy on the same device. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_DTOD = 8, + + /** + * A host to host memory copy. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_HTOH = 9, + + /** + * A peer to peer memory copy across different devices. + */ + CUPTI_ACTIVITY_MEMCPY_KIND_PTOP = 10, + + CUPTI_ACTIVITY_MEMCPY_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityMemcpyKind; + +/** + * \brief The kinds of memory accessed by a memory operation/copy. + * + * Each kind represents the type of the memory + * accessed by a memory operation/copy. + */ +typedef enum { + /** + * The memory kind is unknown. + */ + CUPTI_ACTIVITY_MEMORY_KIND_UNKNOWN = 0, + + /** + * The memory is pageable. + */ + CUPTI_ACTIVITY_MEMORY_KIND_PAGEABLE = 1, + + /** + * The memory is pinned. + */ + CUPTI_ACTIVITY_MEMORY_KIND_PINNED = 2, + + /** + * The memory is on the device. + */ + CUPTI_ACTIVITY_MEMORY_KIND_DEVICE = 3, + + /** + * The memory is an array. + */ + CUPTI_ACTIVITY_MEMORY_KIND_ARRAY = 4, + + /** + * The memory is managed + */ + CUPTI_ACTIVITY_MEMORY_KIND_MANAGED = 5, + + /** + * The memory is device static + */ + CUPTI_ACTIVITY_MEMORY_KIND_DEVICE_STATIC = 6, + + /** + * The memory is managed static + */ + CUPTI_ACTIVITY_MEMORY_KIND_MANAGED_STATIC = 7, + + CUPTI_ACTIVITY_MEMORY_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityMemoryKind; + +/** + * \brief The kind of a preemption activity. + */ +typedef enum { + /** + * The preemption kind is not known. + */ + CUPTI_ACTIVITY_PREEMPTION_KIND_UNKNOWN = 0, + + /** + * Preemption to save CDP block. + */ + CUPTI_ACTIVITY_PREEMPTION_KIND_SAVE = 1, + + /** + * Preemption to restore CDP block. + */ + CUPTI_ACTIVITY_PREEMPTION_KIND_RESTORE = 2, + + CUPTI_ACTIVITY_PREEMPTION_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityPreemptionKind; + +/** + * \brief The kind of environment data. Used to indicate what type of + * data is being reported by an environment activity record. + */ +typedef enum { + /** + * Unknown data. + */ + CUPTI_ACTIVITY_ENVIRONMENT_UNKNOWN = 0, + + /** + * The environment data is related to speed. + */ + CUPTI_ACTIVITY_ENVIRONMENT_SPEED = 1, + + /** + * The environment data is related to temperature. + */ + CUPTI_ACTIVITY_ENVIRONMENT_TEMPERATURE = 2, + + /** + * The environment data is related to power. + */ + CUPTI_ACTIVITY_ENVIRONMENT_POWER = 3, + + /** + * The environment data is related to cooling. + */ + CUPTI_ACTIVITY_ENVIRONMENT_COOLING = 4, + + CUPTI_ACTIVITY_ENVIRONMENT_COUNT, + + CUPTI_ACTIVITY_ENVIRONMENT_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityEnvironmentKind; + +/** + * \brief Reasons for clock throttling. + * + * The possible reasons that a clock can be throttled. There can be + * more than one reason that a clock is being throttled so these types + * can be combined by bitwise OR. These are used in the + * clocksThrottleReason field in the Environment Activity Record. + */ +typedef enum { + /** + * Nothing is running on the GPU and the clocks are dropping to idle + * state. + */ + CUPTI_CLOCKS_THROTTLE_REASON_GPU_IDLE = 0x00000001, + + /** + * The GPU clocks are limited by a user specified limit. + */ + CUPTI_CLOCKS_THROTTLE_REASON_USER_DEFINED_CLOCKS = 0x00000002, + + /** + * A software power scaling algorithm is reducing the clocks below + * requested clocks. + */ + CUPTI_CLOCKS_THROTTLE_REASON_SW_POWER_CAP = 0x00000004, + + /** + * Hardware slowdown to reduce the clock by a factor of two or more + * is engaged. This is an indicator of one of the following: 1) + * Temperature is too high, 2) External power brake assertion is + * being triggered (e.g. by the system power supply), 3) Change in + * power state. + */ + CUPTI_CLOCKS_THROTTLE_REASON_HW_SLOWDOWN = 0x00000008, + + /** + * Some unspecified factor is reducing the clocks. + */ + CUPTI_CLOCKS_THROTTLE_REASON_UNKNOWN = 0x80000000, + + /** + * Throttle reason is not supported for this GPU. + */ + CUPTI_CLOCKS_THROTTLE_REASON_UNSUPPORTED = 0x40000000, + + /** + * No clock throttling. + */ + CUPTI_CLOCKS_THROTTLE_REASON_NONE = 0x00000000, + + CUPTI_CLOCKS_THROTTLE_REASON_FORCE_INT = 0x7fffffff +} CUpti_EnvironmentClocksThrottleReason; + +/** + * \brief Scope of the unified memory counter (deprecated in CUDA 7.0) + */ +typedef enum { + /** + * The unified memory counter scope is not known. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_SCOPE_UNKNOWN = 0, + + /** + * Collect unified memory counter for single process on one device + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_SCOPE_PROCESS_SINGLE_DEVICE = 1, + + /** + * Collect unified memory counter for single process across all devices + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_SCOPE_PROCESS_ALL_DEVICES = 2, + + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_SCOPE_COUNT, + + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_SCOPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityUnifiedMemoryCounterScope; + +/** + * \brief Kind of the Unified Memory counter + * + * Many activities are associated with Unified Memory mechanism; among them + * are tranfer from host to device, device to host, page fault at + * host side. + */ +typedef enum { + /** + * The unified memory counter kind is not known. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_UNKNOWN = 0, + + /** + * Number of bytes transfered from host to device + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD = 1, + + /** + * Number of bytes transfered from device to host + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_DTOH = 2, + + /** + * Number of CPU page faults, this is only supported on 64 bit + * Linux and Mac platforms + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT = 3, + + /** + * Number of GPU page faults, this is only supported on devices with + * compute capability 6.0 and higher and 64 bit Linux platforms + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT = 4, + + /** + * Thrashing occurs when data is frequently accessed by + * multiple processors and has to be constantly migrated around + * to achieve data locality. In this case the overhead of migration + * may exceed the benefits of locality. + * This is only supported on 64 bit Linux platforms. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING = 5, + + /** + * Throttling is a prevention technique used by the driver to avoid + * further thrashing. Here, the driver doesn't service the fault for + * one of the contending processors for a specific period of time, + * so that the other processor can run at full-speed. + * This is only supported on 64 bit Linux platforms. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THROTTLING = 6, + + /** + * In case throttling does not help, the driver tries to pin the memory + * to a processor for a specific period of time. One of the contending + * processors will have slow access to the memory, while the other will + * have fast access. + * This is only supported on 64 bit Linux platforms. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_REMOTE_MAP = 7, + + /** + * Number of bytes transferred from one device to another device. + * This is only supported on 64 bit Linux platforms. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_DTOD = 8, + + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_COUNT, + + CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityUnifiedMemoryCounterKind; + +/** + * \brief Memory access type for unified memory page faults + * + * This is valid for \ref CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT + * and \ref CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT + */ +typedef enum { + /** + * The unified memory access type is not known + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_ACCESS_TYPE_UNKNOWN = 0, + + /** + * The page fault was triggered by read memory instruction + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_ACCESS_TYPE_READ = 1, + + /** + * The page fault was triggered by write memory instruction + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_ACCESS_TYPE_WRITE = 2, + + /** + * The page fault was triggered by atomic memory instruction + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_ACCESS_TYPE_ATOMIC = 3, + + /** + * The page fault was triggered by memory prefetch operation + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_ACCESS_TYPE_PREFETCH = 4 +} CUpti_ActivityUnifiedMemoryAccessType; + +/** + * \brief Migration cause of the Unified Memory counter + * + * This is valid for \ref CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD and + * \ref CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_DTOH + */ +typedef enum { + /** + * The unified memory migration cause is not known + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_MIGRATION_CAUSE_UNKNOWN = 0, + + /** + * The unified memory migrated due to an explicit call from + * the user e.g. cudaMemPrefetchAsync + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_MIGRATION_CAUSE_USER = 1, + + /** + * The unified memory migrated to guarantee data coherence + * e.g. CPU/GPU faults on Pascal+ and kernel launch on pre-Pascal GPUs + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_MIGRATION_CAUSE_COHERENCE = 2, + + /** + * The unified memory was speculatively migrated by the UVM driver + * before being accessed by the destination processor to improve + * performance + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_MIGRATION_CAUSE_PREFETCH = 3, + + /** + * The unified memory migrated to the CPU because it was evicted to make + * room for another block of memory on the GPU + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_MIGRATION_CAUSE_EVICTION = 4, + + /** + * The unified memory migrated to another processor because of access counter + * notifications. Only frequently accessed pages are migrated between CPU and GPU, or + * between peer GPUs. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_MIGRATION_CAUSE_ACCESS_COUNTERS = 5, +} CUpti_ActivityUnifiedMemoryMigrationCause; + +/** + * \brief Remote memory map cause of the Unified Memory counter + * + * This is valid for \ref CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_REMOTE_MAP + */ +typedef enum { + /** + * The cause of mapping to remote memory was unknown + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_REMOTE_MAP_CAUSE_UNKNOWN = 0, + + /** + * Mapping to remote memory was added to maintain data coherence. + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_REMOTE_MAP_CAUSE_COHERENCE = 1, + + /** + * Mapping to remote memory was added to prevent further thrashing + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_REMOTE_MAP_CAUSE_THRASHING = 2, + + /** + * Mapping to remote memory was added to enforce the hints + * specified by the programmer or by performance heuristics of the + * UVM driver + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_REMOTE_MAP_CAUSE_POLICY = 3, + + /** + * Mapping to remote memory was added because there is no more + * memory available on the processor and eviction was not + * possible + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_REMOTE_MAP_CAUSE_OUT_OF_MEMORY = 4, + + /** + * Mapping to remote memory was added after the memory was + * evicted to make room for another block of memory on the GPU + */ + CUPTI_ACTIVITY_UNIFIED_MEMORY_REMOTE_MAP_CAUSE_EVICTION = 5, +} CUpti_ActivityUnifiedMemoryRemoteMapCause; + +/** + * \brief SASS instruction classification. + * + * The sass instruction are broadly divided into different class. Each enum represents a classification. + */ +typedef enum { + /** + * The instruction class is not known. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_UNKNOWN = 0, + + /** + * Represents a 32 bit floating point operation. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_FP_32 = 1, + + /** + * Represents a 64 bit floating point operation. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_FP_64 = 2, + + /** + * Represents an integer operation. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_INTEGER = 3, + + /** + * Represents a bit conversion operation. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_BIT_CONVERSION = 4, + + /** + * Represents a control flow instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_CONTROL_FLOW = 5, + + /** + * Represents a global load-store instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_GLOBAL = 6, + + /** + * Represents a shared load-store instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_SHARED = 7, + + /** + * Represents a local load-store instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_LOCAL = 8, + + /** + * Represents a generic load-store instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_GENERIC = 9, + + /** + * Represents a surface load-store instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_SURFACE = 10, + + /** + * Represents a constant load instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_CONSTANT = 11, + + /** + * Represents a texture load-store instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_TEXTURE = 12, + + /** + * Represents a global atomic instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_GLOBAL_ATOMIC = 13, + + /** + * Represents a shared atomic instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_SHARED_ATOMIC = 14, + + /** + * Represents a surface atomic instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_SURFACE_ATOMIC = 15, + + /** + * Represents a inter-thread communication instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_INTER_THREAD_COMMUNICATION = 16, + + /** + * Represents a barrier instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_BARRIER = 17, + + /** + * Represents some miscellaneous instructions which do not fit in the above classification. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_MISCELLANEOUS = 18, + + /** + * Represents a 16 bit floating point operation. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_FP_16 = 19, + + /** + * Represents uniform instruction. + */ + CUPTI_ACTIVITY_INSTRUCTION_CLASS_UNIFORM = 20, + + CUPTI_ACTIVITY_INSTRUCTION_CLASS_KIND_FORCE_INT = 0x7fffffff +} CUpti_ActivityInstructionClass; + +/** + * \brief Partitioned global caching option + */ +typedef enum { + /** + * Partitioned global cache config unknown. + */ + CUPTI_ACTIVITY_PARTITIONED_GLOBAL_CACHE_CONFIG_UNKNOWN = 0, + + /** + * Partitioned global cache not supported. + */ + CUPTI_ACTIVITY_PARTITIONED_GLOBAL_CACHE_CONFIG_NOT_SUPPORTED = 1, + + /** + * Partitioned global cache config off. + */ + CUPTI_ACTIVITY_PARTITIONED_GLOBAL_CACHE_CONFIG_OFF = 2, + + /** + * Partitioned global cache config on. + */ + CUPTI_ACTIVITY_PARTITIONED_GLOBAL_CACHE_CONFIG_ON = 3, + + CUPTI_ACTIVITY_PARTITIONED_GLOBAL_CACHE_CONFIG_FORCE_INT = 0x7fffffff +} CUpti_ActivityPartitionedGlobalCacheConfig; + +/** + * \brief Synchronization type. + * + * The types of synchronization to be used with CUpti_ActivitySynchronization. + */ + +typedef enum { + /** + * Unknown data. + */ + CUPTI_ACTIVITY_SYNCHRONIZATION_TYPE_UNKNOWN = 0, + + /** + * Event synchronize API. + */ + CUPTI_ACTIVITY_SYNCHRONIZATION_TYPE_EVENT_SYNCHRONIZE = 1, + + /** + * Stream wait event API. + */ + CUPTI_ACTIVITY_SYNCHRONIZATION_TYPE_STREAM_WAIT_EVENT = 2, + + /** + * Stream synchronize API. + */ + CUPTI_ACTIVITY_SYNCHRONIZATION_TYPE_STREAM_SYNCHRONIZE = 3, + + /** + * Context synchronize API. + */ + CUPTI_ACTIVITY_SYNCHRONIZATION_TYPE_CONTEXT_SYNCHRONIZE = 4, + + CUPTI_ACTIVITY_SYNCHRONIZATION_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivitySynchronizationType; + +/** + * \brief stream type. + * + * The types of stream to be used with CUpti_ActivityStream. + */ + +typedef enum { + /** + * Unknown data. + */ + CUPTI_ACTIVITY_STREAM_CREATE_FLAG_UNKNOWN = 0, + + /** + * Default stream. + */ + CUPTI_ACTIVITY_STREAM_CREATE_FLAG_DEFAULT = 1, + + /** + * Non-blocking stream. + */ + CUPTI_ACTIVITY_STREAM_CREATE_FLAG_NON_BLOCKING = 2, + + /** + * Null stream. + */ + CUPTI_ACTIVITY_STREAM_CREATE_FLAG_NULL = 3, + + /** + * Stream create Mask + */ + CUPTI_ACTIVITY_STREAM_CREATE_MASK = 0xFFFF, + + CUPTI_ACTIVITY_STREAM_CREATE_FLAG_FORCE_INT = 0x7fffffff +} CUpti_ActivityStreamFlag; + +/** +* \brief Link flags. +* +* Describes link properties, to be used with CUpti_ActivityNvLink. +*/ + +typedef enum { + /** + * The flag is invalid. + */ + CUPTI_LINK_FLAG_INVALID = 0, + + /** + * Is peer to peer access supported by this link. + */ + CUPTI_LINK_FLAG_PEER_ACCESS = (1 << 1), + + /** + * Is system memory access supported by this link. + */ + CUPTI_LINK_FLAG_SYSMEM_ACCESS = (1 << 2), + + /** + * Is peer atomic access supported by this link. + */ + CUPTI_LINK_FLAG_PEER_ATOMICS = (1 << 3), + + /** + * Is system memory atomic access supported by this link. + */ + CUPTI_LINK_FLAG_SYSMEM_ATOMICS = (1 << 4), + + CUPTI_LINK_FLAG_FORCE_INT = 0x7fffffff +} CUpti_LinkFlag; + +/** +* \brief Memory operation types. +* +* Describes the type of memory operation, to be used with CUpti_ActivityMemory3. +*/ + +typedef enum { + /** + * The operation is invalid. + */ + CUPTI_ACTIVITY_MEMORY_OPERATION_TYPE_INVALID = 0, + + /** + * Memory is allocated. + */ + CUPTI_ACTIVITY_MEMORY_OPERATION_TYPE_ALLOCATION = 1, + + /** + * Memory is released. + */ + CUPTI_ACTIVITY_MEMORY_OPERATION_TYPE_RELEASE = 2, + + CUPTI_ACTIVITY_MEMORY_OPERATION_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityMemoryOperationType; + +/** +* \brief Memory pool types. +* +* Describes the type of memory pool, to be used with CUpti_ActivityMemory3. +*/ + +typedef enum { + /** + * The operation is invalid. + */ + CUPTI_ACTIVITY_MEMORY_POOL_TYPE_INVALID = 0, + + /** + * Memory pool is local to the process. + */ + CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL = 1, + + /** + * Memory pool is imported by the process. + */ + CUPTI_ACTIVITY_MEMORY_POOL_TYPE_IMPORTED = 2, + + CUPTI_ACTIVITY_MEMORY_POOL_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityMemoryPoolType; + +/** +* \brief Memory pool operation types. +* +* Describes the type of memory pool operation, to be used with CUpti_ActivityMemoryPool2. +*/ + +typedef enum { + /** + * The operation is invalid. + */ + CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_INVALID = 0, + + /** + * Memory pool is created. + */ + CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_CREATED = 1, + + /** + * Memory pool is destroyed. + */ + CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_DESTROYED = 2, + + /** + * Memory pool is trimmed. + */ + CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_TRIMMED = 3, + + CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityMemoryPoolOperationType; + +typedef enum { + CUPTI_CHANNEL_TYPE_INVALID = 0, + + CUPTI_CHANNEL_TYPE_COMPUTE = 1, + + CUPTI_CHANNEL_TYPE_ASYNC_MEMCPY = 2 +} CUpti_ChannelType; + +/** + * The source-locator ID that indicates an unknown source + * location. There is not an actual CUpti_ActivitySourceLocator object + * corresponding to this value. + */ +#define CUPTI_SOURCE_LOCATOR_ID_UNKNOWN 0 + +/** + * An invalid function index ID. + */ +#define CUPTI_FUNCTION_INDEX_ID_INVALID 0 + +/** + * An invalid/unknown correlation ID. A correlation ID of this value + * indicates that there is no correlation for the activity record. + */ +#define CUPTI_CORRELATION_ID_UNKNOWN 0 + +/** + * An invalid/unknown grid ID. + */ +#define CUPTI_GRID_ID_UNKNOWN 0LL + +/** + * An invalid/unknown timestamp for a start, end, queued, submitted, + * or completed time. + */ +#define CUPTI_TIMESTAMP_UNKNOWN 0LL + +/** + * An invalid/unknown value. + */ +#define CUPTI_SYNCHRONIZATION_INVALID_VALUE -1 + +/** + * An invalid/unknown process id. + */ +#define CUPTI_AUTO_BOOST_INVALID_CLIENT_PID 0 + +/** + * Invalid/unknown NVLink port number. +*/ +#define CUPTI_NVLINK_INVALID_PORT -1 + +/** + * Maximum NVLink port numbers. +*/ +#define CUPTI_MAX_NVLINK_PORTS 32 + +START_PACKED_ALIGNMENT +/** + * \brief Unified Memory counters configuration structure + * + * This structure controls the enable/disable of the various + * Unified Memory counters consisting of scope, kind and other parameters. + * See function \ref cuptiActivityConfigureUnifiedMemoryCounter + */ +typedef struct PACKED_ALIGNMENT { + /** + * Unified Memory counter Counter scope. (deprecated in CUDA 7.0) + */ + CUpti_ActivityUnifiedMemoryCounterScope scope; + + /** + * Unified Memory counter Counter kind + */ + CUpti_ActivityUnifiedMemoryCounterKind kind; + + /** + * Device id of the traget device. This is relevant only + * for single device scopes. (deprecated in CUDA 7.0) + */ + uint32_t deviceId; + + /** + * Control to enable/disable the counter. To enable the counter + * set it to non-zero value while disable is indicated by zero. + */ + uint32_t enable; +} CUpti_ActivityUnifiedMemoryCounterConfig; + +/** + * \brief Device auto boost state structure + * + * This structure defines auto boost state for a device. + * See function \ref cuptiGetAutoBoostState + */ +typedef struct PACKED_ALIGNMENT { + /** + * Returned auto boost state. 1 is returned in case auto boost is enabled, 0 + * otherwise + */ + uint32_t enabled; + + /** + * Id of process that has set the current boost state. The value will be + * CUPTI_AUTO_BOOST_INVALID_CLIENT_PID if the user does not have the + * permission to query process ids or there is an error in querying the + * process id. + */ + uint32_t pid; + +} CUpti_ActivityAutoBoostState; + +/** + * \brief PC sampling configuration structure + * + * This structure defines the pc sampling configuration. + * + * See function \ref cuptiActivityConfigurePCSampling + */ +typedef struct PACKED_ALIGNMENT { + /** + * Size of configuration structure. + * CUPTI client should set the size of the structure. It will be used in CUPTI to check what fields are + * available in the structure. Used to preserve backward compatibility. + */ + uint32_t size; + + /** + * There are 5 level provided for sampling period. The level + * internally maps to a period in terms of cycles. Same level can + * map to different number of cycles on different gpus. No of + * cycles will be chosen to minimize information loss. The period + * chosen will be given by samplingPeriodInCycles in + * \ref CUpti_ActivityPCSamplingRecordInfo for each kernel instance. + */ + CUpti_ActivityPCSamplingPeriod samplingPeriod; + + /** + * This will override the period set by samplingPeriod. Value 0 in samplingPeriod2 will be + * considered as samplingPeriod2 should not be used and samplingPeriod should be used. + * Valid values for samplingPeriod2 are between 5 to 31 both inclusive. + * This will set the sampling period to (2^samplingPeriod2) cycles. + */ + uint32_t samplingPeriod2; +} CUpti_ActivityPCSamplingConfig; + +/** + * \brief The base activity record. + * + * The activity API uses a CUpti_Activity as a generic representation + * for any activity. The 'kind' field is used to determine the + * specific activity kind, and from that the CUpti_Activity object can + * be cast to the specific activity record type appropriate for that kind. + * + * Note that all activity record types are padded and aligned to + * ensure that each member of the record is naturally aligned. + * + * \see CUpti_ActivityKind + */ +typedef struct PACKED_ALIGNMENT { + /** + * The kind of this activity. + */ + CUpti_ActivityKind kind; +} CUpti_Activity; + +/** + * \brief The activity record for memory copies. (deprecated) + * + * This activity record represents a memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the memory copy. + */ + uint32_t correlationId; + + /** + * The runtime correlation ID of the memory copy. Each memory copy + * is assigned a unique runtime correlation ID that is identical to + * the correlation ID in the runtime API activity record that + * launched the memory copy. + */ + uint32_t runtimeCorrelationId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; +} CUpti_ActivityMemcpy; + +/** + * \brief The activity record for memory copies. (deprecated in CUDA 11.1) + * + * This activity record represents a memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the memory copy. + */ + uint32_t correlationId; + + /** + * The runtime correlation ID of the memory copy. Each memory copy + * is assigned a unique runtime correlation ID that is identical to + * the correlation ID in the runtime API activity record that + * launched the memory copy. + */ + uint32_t runtimeCorrelationId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint64_t graphNodeId; +} CUpti_ActivityMemcpy3; + +/** + * \brief The activity record for memory copies. (deprecated in CUDA 11.6) + * + * This activity record represents a memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the memory copy. + */ + uint32_t correlationId; + + /** + * The runtime correlation ID of the memory copy. Each memory copy + * is assigned a unique runtime correlation ID that is identical to + * the correlation ID in the runtime API activity record that + * launched the memory copy. + */ + uint32_t runtimeCorrelationId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint64_t graphNodeId; + + /** + * The unique ID of the graph that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint32_t graphId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t padding; +} CUpti_ActivityMemcpy4; + +/** + * \brief The activity record for memory copies. + * + * This activity record represents a memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the memory copy. + */ + uint32_t correlationId; + + /** + * The runtime correlation ID of the memory copy. Each memory copy + * is assigned a unique runtime correlation ID that is identical to + * the correlation ID in the runtime API activity record that + * launched the memory copy. + */ + uint32_t runtimeCorrelationId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint64_t graphNodeId; + + /** + * The unique ID of the graph that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint32_t graphId; + + /** + * The ID of the HW channel on which the memory copy is occuring. + */ + uint32_t channelID; + + /** + * The type of the channel + */ + CUpti_ChannelType channelType; + + /** + * Reserved for internal use. + */ + uint32_t pad2; +} CUpti_ActivityMemcpy5; + +/** + * \brief The activity record for peer-to-peer memory copies. + * + * This activity record represents a peer-to-peer memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY2) but is no longer generated + * by CUPTI. Peer-to-peer memory copy activities are now reported using the + * CUpti_ActivityMemcpyPtoP2 activity record.. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY2. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see + * CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The ID of the device where memory is being copied from. + */ + uint32_t srcDeviceId; + + /** + * The ID of the context owning the memory being copied from. + */ + uint32_t srcContextId; + + /** + * The ID of the device where memory is being copied to. + */ + uint32_t dstDeviceId; + + /** + * The ID of the context owning the memory being copied to. + */ + uint32_t dstContextId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory copy. + */ + uint32_t correlationId; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; +} CUpti_ActivityMemcpyPtoP; + +typedef CUpti_ActivityMemcpyPtoP CUpti_ActivityMemcpy2; + +/** + * \brief The activity record for peer-to-peer memory copies. + * (deprecated in CUDA 11.1) + * + * This activity record represents a peer-to-peer memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY2). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY2. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see + * CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The ID of the device where memory is being copied from. + */ + uint32_t srcDeviceId; + + /** + * The ID of the context owning the memory being copied from. + */ + uint32_t srcContextId; + + /** + * The ID of the device where memory is being copied to. + */ + uint32_t dstDeviceId; + + /** + * The ID of the context owning the memory being copied to. + */ + uint32_t dstContextId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory copy. + */ + uint32_t correlationId; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed the memcpy through graph launch. + * This field will be 0 if memcpy is not done using graph launch. + */ + uint64_t graphNodeId; +} CUpti_ActivityMemcpyPtoP2; + +/** + * \brief The activity record for peer-to-peer memory copies. + * (deprecated in CUDA 11.6) + * + * This activity record represents a peer-to-peer memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY2). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY2. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see + * CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The ID of the device where memory is being copied from. + */ + uint32_t srcDeviceId; + + /** + * The ID of the context owning the memory being copied from. + */ + uint32_t srcContextId; + + /** + * The ID of the device where memory is being copied to. + */ + uint32_t dstDeviceId; + + /** + * The ID of the context owning the memory being copied to. + */ + uint32_t dstContextId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory copy. + */ + uint32_t correlationId; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed the memcpy through graph launch. + * This field will be 0 if memcpy is not done using graph launch. + */ + uint64_t graphNodeId; + + /** + * The unique ID of the graph that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint32_t graphId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t padding; +} CUpti_ActivityMemcpyPtoP3; + +/** + * \brief The activity record for peer-to-peer memory copies. + * + * This activity record represents a peer-to-peer memory copy + * (CUPTI_ACTIVITY_KIND_MEMCPY2). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMCPY2. + */ + CUpti_ActivityKind kind; + + /** + * The kind of the memory copy, stored as a byte to reduce record + * size. \see CUpti_ActivityMemcpyKind + */ + uint8_t copyKind; + + /** + * The source memory kind read by the memory copy, stored as a byte + * to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t srcKind; + + /** + * The destination memory kind read by the memory copy, stored as a + * byte to reduce record size. \see CUpti_ActivityMemoryKind + */ + uint8_t dstKind; + + /** + * The flags associated with the memory copy. \see + * CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The number of bytes transferred by the memory copy. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t start; + + /** + * The end timestamp for the memory copy, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory copy. + */ + uint64_t end; + + /** + * The ID of the device where the memory copy is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory copy is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory copy is occurring. + */ + uint32_t streamId; + + /** + * The ID of the device where memory is being copied from. + */ + uint32_t srcDeviceId; + + /** + * The ID of the context owning the memory being copied from. + */ + uint32_t srcContextId; + + /** + * The ID of the device where memory is being copied to. + */ + uint32_t dstDeviceId; + + /** + * The ID of the context owning the memory being copied to. + */ + uint32_t dstContextId; + + /** + * The correlation ID of the memory copy. Each memory copy is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory copy. + */ + uint32_t correlationId; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed the memcpy through graph launch. + * This field will be 0 if memcpy is not done using graph launch. + */ + uint64_t graphNodeId; + + /** + * The unique ID of the graph that executed this memcpy through graph launch. + * This field will be 0 if the memcpy is not done through graph launch. + */ + uint32_t graphId; + + /** + * The ID of the HW channel on which the memory copy is occuring. + */ + uint32_t channelID; + + /** + * The type of the channel + */ + CUpti_ChannelType channelType; +} CUpti_ActivityMemcpyPtoP4; + +/** + * \brief The activity record for memset. (deprecated) + * + * This activity record represents a memory set operation + * (CUPTI_ACTIVITY_KIND_MEMSET). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMSET. + */ + CUpti_ActivityKind kind; + + /** + * The value being assigned to memory by the memory set. + */ + uint32_t value; + + /** + * The number of bytes being set by the memory set. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t start; + + /** + * The end timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t end; + + /** + * The ID of the device where the memory set is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory set is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory set is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory set. Each memory set is assigned + * a unique correlation ID that is identical to the correlation ID + * in the driver API activity record that launched the memory set. + */ + uint32_t correlationId; + + /** + * The flags associated with the memset. \see CUpti_ActivityFlag + */ + uint16_t flags; + + /** + * The memory kind of the memory set \see CUpti_ActivityMemoryKind + */ + uint16_t memoryKind; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; +} CUpti_ActivityMemset; + +/** + * \brief The activity record for memset. (deprecated in CUDA 11.1) + * + * This activity record represents a memory set operation + * (CUPTI_ACTIVITY_KIND_MEMSET). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMSET. + */ + CUpti_ActivityKind kind; + + /** + * The value being assigned to memory by the memory set. + */ + uint32_t value; + + /** + * The number of bytes being set by the memory set. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t start; + + /** + * The end timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t end; + + /** + * The ID of the device where the memory set is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory set is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory set is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory set. Each memory set is assigned + * a unique correlation ID that is identical to the correlation ID + * in the driver API activity record that launched the memory set. + */ + uint32_t correlationId; + + /** + * The flags associated with the memset. \see CUpti_ActivityFlag + */ + uint16_t flags; + + /** + * The memory kind of the memory set \see CUpti_ActivityMemoryKind + */ + uint16_t memoryKind; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed this memset through graph launch. + * This field will be 0 if the memset is not executed through graph launch. + */ + uint64_t graphNodeId; +} CUpti_ActivityMemset2; + +/** + * \brief The activity record for memset. (deprecated in CUDA 11.6) + * + * This activity record represents a memory set operation + * (CUPTI_ACTIVITY_KIND_MEMSET). + */ + +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMSET. + */ + CUpti_ActivityKind kind; + + /** + * The value being assigned to memory by the memory set. + */ + uint32_t value; + + /** + * The number of bytes being set by the memory set. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t start; + + /** + * The end timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t end; + + /** + * The ID of the device where the memory set is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory set is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory set is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory set. Each memory set is assigned + * a unique correlation ID that is identical to the correlation ID + * in the driver API activity record that launched the memory set. + */ + uint32_t correlationId; + + /** + * The flags associated with the memset. \see CUpti_ActivityFlag + */ + uint16_t flags; + + /** + * The memory kind of the memory set \see CUpti_ActivityMemoryKind + */ + uint16_t memoryKind; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed this memset through graph launch. + * This field will be 0 if the memset is not executed through graph launch. + */ + uint64_t graphNodeId; + + /** + * The unique ID of the graph that executed this memset through graph launch. + * This field will be 0 if the memset is not executed through graph launch. + */ + uint32_t graphId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t padding; +} CUpti_ActivityMemset3; + +/** + * \brief The activity record for memset. + * + * This activity record represents a memory set operation + * (CUPTI_ACTIVITY_KIND_MEMSET). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMSET. + */ + CUpti_ActivityKind kind; + + /** + * The value being assigned to memory by the memory set. + */ + uint32_t value; + + /** + * The number of bytes being set by the memory set. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t start; + + /** + * The end timestamp for the memory set, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the memory set. + */ + uint64_t end; + + /** + * The ID of the device where the memory set is occurring. + */ + uint32_t deviceId; + + /** + * The ID of the context where the memory set is occurring. + */ + uint32_t contextId; + + /** + * The ID of the stream where the memory set is occurring. + */ + uint32_t streamId; + + /** + * The correlation ID of the memory set. Each memory set is assigned + * a unique correlation ID that is identical to the correlation ID + * in the driver API activity record that launched the memory set. + */ + uint32_t correlationId; + + /** + * The flags associated with the memset. \see CUpti_ActivityFlag + */ + uint16_t flags; + + /** + * The memory kind of the memory set \see CUpti_ActivityMemoryKind + */ + uint16_t memoryKind; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The unique ID of the graph node that executed this memset through graph launch. + * This field will be 0 if the memset is not executed through graph launch. + */ + uint64_t graphNodeId; + + /** + * The unique ID of the graph that executed this memset through graph launch. + * This field will be 0 if the memset is not executed through graph launch. + */ + uint32_t graphId; + + /** + * The ID of the HW channel on which the memory set is occuring. + */ + uint32_t channelID; + + /** + * The type of the channel + */ + CUpti_ChannelType channelType; + + /** + * Undefined. Reserved for internal use + */ + uint32_t pad2; +} CUpti_ActivityMemset4; + +/** + * \brief The activity record for memory. + * + * This activity record represents a memory allocation and free operation + * (CUPTI_ACTIVITY_KIND_MEMORY). + * This activity record provides a single record for the memory + * allocation and memory release operations. + * + * Note: It is recommended to move to the new activity record \ref CUpti_ActivityMemory3 + * enabled using the kind \ref CUPTI_ACTIVITY_KIND_MEMORY2. + * \ref CUpti_ActivityMemory3 provides separate records for memory + * allocation and memory release operations. This allows to correlate the + * corresponding driver and runtime API activity record with the memory operation. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMORY + */ + CUpti_ActivityKind kind; + + /** + * The memory kind requested by the user + */ + CUpti_ActivityMemoryKind memoryKind; + + /** + * The virtual address of the allocation + */ + uint64_t address; + + /** + * The number of bytes of memory allocated. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory operation, i.e. + * the time when memory was allocated, in ns. + */ + uint64_t start; + + /** + * The end timestamp for the memory operation, i.e. + * the time when memory was freed, in ns. + * This will be 0 if memory is not freed in the application + */ + uint64_t end; + + /** + * The program counter of the allocation of memory + */ + uint64_t allocPC; + + /** + * The program counter of the freeing of memory. This will + * be 0 if memory is not freed in the application + */ + uint64_t freePC; + + /** + * The ID of the process to which this record belongs to. + */ + uint32_t processId; + + /** + * The ID of the device where the memory allocation is taking place. + */ + uint32_t deviceId; + + /** + * The ID of the context. If context is NULL, \p contextId is set to CUPTI_INVALID_CONTEXT_ID. + */ + uint32_t contextId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * Variable name. This name is shared across all activity + * records representing the same symbol, and so should not be + * modified. + */ + const char* name; +} CUpti_ActivityMemory; + +/** + * \brief The activity record for memory. + * + * This activity record represents a memory allocation and free operation + * (CUPTI_ACTIVITY_KIND_MEMORY2). + * This activity record provides separate records for memory allocation and + * memory release operations. + * This allows to correlate the corresponding driver and runtime API + * activity record with the memory operation. + * + * Note: This activity record is an upgrade over \ref CUpti_ActivityMemory + * enabled using the kind \ref CUPTI_ACTIVITY_KIND_MEMORY. + * \ref CUpti_ActivityMemory provides a single record for the memory + * allocation and memory release operations. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMORY2 + */ + CUpti_ActivityKind kind; + + /** + * The memory operation requested by the user, \ref CUpti_ActivityMemoryOperationType. + */ + CUpti_ActivityMemoryOperationType memoryOperationType; + + /** + * The memory kind requested by the user, \ref CUpti_ActivityMemoryKind. + */ + CUpti_ActivityMemoryKind memoryKind; + + /** + * The correlation ID of the memory operation. Each memory operation is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory operation. + */ + uint32_t correlationId; + + /** + * The virtual address of the allocation. + */ + uint64_t address; + + /** + * The number of bytes of memory allocated. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory operation, in ns. + */ + uint64_t timestamp; + + /** + * The program counter of the memory operation. + */ + uint64_t PC; + + /** + * The ID of the process to which this record belongs to. + */ + uint32_t processId; + + /** + * The ID of the device where the memory operation is taking place. + */ + uint32_t deviceId; + + /** + * The ID of the context. If context is NULL, \p contextId is set to CUPTI_INVALID_CONTEXT_ID. + */ + uint32_t contextId; + + /** + * The ID of the stream. If memory operation is not async, \p streamId is set to CUPTI_INVALID_STREAM_ID. + */ + uint32_t streamId; + + /** + * Variable name. This name is shared across all activity + * records representing the same symbol, and so should not be + * modified. + */ + const char* name; + + /** + * \p isAsync is set if memory operation happens through async memory APIs. + */ + uint32_t isAsync; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad1; +#endif + + /** + * The memory pool configuration used for the memory operations. + */ + struct { + /** + * The type of the memory pool, \ref CUpti_ActivityMemoryPoolType + */ + CUpti_ActivityMemoryPoolType memoryPoolType; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad2; +#endif + + /** + * The base address of the memory pool. + */ + uint64_t address; + + /** + * The release threshold of the memory pool in bytes. \p releaseThreshold is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t releaseThreshold; + + union { + /** + * The size of the memory pool in bytes. + * \p size is valid if \p memoryPoolType is + * CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t size; + + /** + * The processId of the memory pool. + * \p processId is valid if \p memoryPoolType is + * CUPTI_ACTIVITY_MEMORY_POOL_TYPE_IMPORTED, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t processId; + } pool; + } memoryPoolConfig; + +} CUpti_ActivityMemory2; + +/** + * \brief The activity record for memory. + * + * This activity record represents a memory allocation and free operation + * (CUPTI_ACTIVITY_KIND_MEMORY2). + * This activity record provides separate records for memory allocation and + * memory release operations. + * This allows to correlate the corresponding driver and runtime API + * activity record with the memory operation. + * + * Note: This activity record is an upgrade over \ref CUpti_ActivityMemory + * enabled using the kind \ref CUPTI_ACTIVITY_KIND_MEMORY. + * \ref CUpti_ActivityMemory provides a single record for the memory + * allocation and memory release operations. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMORY2 + */ + CUpti_ActivityKind kind; + + /** + * The memory operation requested by the user, \ref CUpti_ActivityMemoryOperationType. + */ + CUpti_ActivityMemoryOperationType memoryOperationType; + + /** + * The memory kind requested by the user, \ref CUpti_ActivityMemoryKind. + */ + CUpti_ActivityMemoryKind memoryKind; + + /** + * The correlation ID of the memory operation. Each memory operation is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory operation. + */ + uint32_t correlationId; + + /** + * The virtual address of the allocation. + */ + uint64_t address; + + /** + * The number of bytes of memory allocated. + */ + uint64_t bytes; + + /** + * The start timestamp for the memory operation, in ns. + */ + uint64_t timestamp; + + /** + * The program counter of the memory operation. + */ + uint64_t PC; + + /** + * The ID of the process to which this record belongs to. + */ + uint32_t processId; + + /** + * The ID of the device where the memory operation is taking place. + */ + uint32_t deviceId; + + /** + * The ID of the context. If context is NULL, \p contextId is set to CUPTI_INVALID_CONTEXT_ID. + */ + uint32_t contextId; + + /** + * The ID of the stream. If memory operation is not async, \p streamId is set to CUPTI_INVALID_STREAM_ID. + */ + uint32_t streamId; + + /** + * Variable name. This name is shared across all activity + * records representing the same symbol, and so should not be + * modified. + */ + const char* name; + + /** + * \p isAsync is set if memory operation happens through async memory APIs. + */ + uint32_t isAsync; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad1; +#endif + + /** + * The memory pool configuration used for the memory operations. + */ + struct PACKED_ALIGNMENT { + /** + * The type of the memory pool, \ref CUpti_ActivityMemoryPoolType + */ + CUpti_ActivityMemoryPoolType memoryPoolType; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad2; +#endif + + /** + * The base address of the memory pool. + */ + uint64_t address; + + /** + * The release threshold of the memory pool in bytes. \p releaseThreshold is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t releaseThreshold; + + union { + /** + * The size of the memory pool in bytes. + * \p size is valid if \p memoryPoolType is + * CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t size; + + /** + * The processId of the memory pool. + * \p processId is valid if \p memoryPoolType is + * CUPTI_ACTIVITY_MEMORY_POOL_TYPE_IMPORTED, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t processId; + } pool; + + /** + * The utilized size of the memory pool. \p utilizedSize is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t utilizedSize; + } memoryPoolConfig; + +} CUpti_ActivityMemory3; + +/** + * \brief The activity record for memory pool. + * + * This activity record represents a memory pool creation, destruction and + * trimming (CUPTI_ACTIVITY_KIND_MEMORY_POOL). + * This activity record provides separate records for memory pool creation, + * destruction and triming operations. + * This allows to correlate the corresponding driver and runtime API + * activity record with the memory pool operation. + * + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMORY_POOL + */ + CUpti_ActivityKind kind; + + /** + * The memory operation requested by the user, \ref CUpti_ActivityMemoryPoolOperationType. + */ + CUpti_ActivityMemoryPoolOperationType memoryPoolOperationType; + + /** + * The type of the memory pool, \ref CUpti_ActivityMemoryPoolType + */ + CUpti_ActivityMemoryPoolType memoryPoolType; + + /** + * The correlation ID of the memory pool operation. Each memory pool + * operation is assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory operation. + */ + uint32_t correlationId; + + /** + * The ID of the process to which this record belongs to. + */ + uint32_t processId; + + /** + * The ID of the device where the memory pool is created. + */ + uint32_t deviceId; + + /** + * The minimum bytes to keep of the memory pool. \p minBytesToKeep is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_TRIMMED, + * \ref CUpti_ActivityMemoryPoolOperationType + */ + size_t minBytesToKeep; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The virtual address of the allocation. + */ + uint64_t address; + + /** + * The size of the memory pool operation in bytes. \p size is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t size; + + /** + * The release threshold of the memory pool. \p releaseThreshold is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t releaseThreshold; + + /** + * The start timestamp for the memory operation, in ns. + */ + uint64_t timestamp; +} CUpti_ActivityMemoryPool; + +/** + * \brief The activity record for memory pool. + * + * This activity record represents a memory pool creation, destruction and + * trimming (CUPTI_ACTIVITY_KIND_MEMORY_POOL). + * This activity record provides separate records for memory pool creation, + * destruction and triming operations. + * This allows to correlate the corresponding driver and runtime API + * activity record with the memory pool operation. + * + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MEMORY_POOL + */ + CUpti_ActivityKind kind; + + /** + * The memory operation requested by the user, \ref CUpti_ActivityMemoryPoolOperationType. + */ + CUpti_ActivityMemoryPoolOperationType memoryPoolOperationType; + + /** + * The type of the memory pool, \ref CUpti_ActivityMemoryPoolType + */ + CUpti_ActivityMemoryPoolType memoryPoolType; + + /** + * The correlation ID of the memory pool operation. Each memory pool + * operation is assigned a unique correlation ID that is identical to the + * correlation ID in the driver and runtime API activity record that + * launched the memory operation. + */ + uint32_t correlationId; + + /** + * The ID of the process to which this record belongs to. + */ + uint32_t processId; + + /** + * The ID of the device where the memory pool is created. + */ + uint32_t deviceId; + + /** + * The minimum bytes to keep of the memory pool. \p minBytesToKeep is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_OPERATION_TYPE_TRIMMED, + * \ref CUpti_ActivityMemoryPoolOperationType + */ + size_t minBytesToKeep; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The virtual address of the allocation. + */ + uint64_t address; + + /** + * The size of the memory pool operation in bytes. \p size is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t size; + + /** + * The release threshold of the memory pool. \p releaseThreshold is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t releaseThreshold; + + /** + * The start timestamp for the memory operation, in ns. + */ + uint64_t timestamp; + + /** + * The utilized size of the memory pool. \p utilizedSize is + * valid for CUPTI_ACTIVITY_MEMORY_POOL_TYPE_LOCAL, \ref CUpti_ActivityMemoryPoolType. + */ + uint64_t utilizedSize; +} CUpti_ActivityMemoryPool2; + +/** + * \brief The activity record for kernel. (deprecated) + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) but is no longer generated + * by CUPTI. Kernel activities are now reported using the + * CUpti_ActivityKernel9 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL + * or CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t cacheConfigRequested; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t cacheConfigExecuted; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the kernel. + */ + uint32_t correlationId; + + /** + * The runtime correlation ID of the kernel. Each kernel execution + * is assigned a unique runtime correlation ID that is identical to + * the correlation ID in the runtime API activity record that + * launched the kernel. + */ + uint32_t runtimeCorrelationId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; +} CUpti_ActivityKernel; + +/** + * \brief The activity record for kernel. (deprecated) + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) but is no longer generated + * by CUPTI. Kernel activities are now reported using the + * CUpti_ActivityKernel9 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; +} CUpti_ActivityKernel2; + +/** + * \brief The activity record for a kernel (CUDA 6.5(with sm_52 support) onwards). + * (deprecated in CUDA 9.0) + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL). + * Kernel activities are now reported using the CUpti_ActivityKernel9 activity + * record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; +} CUpti_ActivityKernel3; + +/** + * \brief The type of the CUDA kernel launch. + */ +typedef enum { + /** + * The kernel was launched via a regular kernel call + */ + CUPTI_ACTIVITY_LAUNCH_TYPE_REGULAR = 0, + + /** + * The kernel was launched via API \ref cudaLaunchCooperativeKernel() or + * \ref cuLaunchCooperativeKernel() + */ + CUPTI_ACTIVITY_LAUNCH_TYPE_COOPERATIVE_SINGLE_DEVICE = 1, + + /** + * The kernel was launched via API \ref cudaLaunchCooperativeKernelMultiDevice() or + * \ref cuLaunchCooperativeKernelMultiDevice() + */ + CUPTI_ACTIVITY_LAUNCH_TYPE_COOPERATIVE_MULTI_DEVICE = 2, + + /** + * The kernel was launched as a CBL commandlist + */ + CUPTI_ACTIVITY_LAUNCH_TYPE_CBL_COMMANDLIST = 3, +} CUpti_ActivityLaunchType; + +/** + * \brief The activity record for a kernel (CUDA 9.0(with sm_70 support) onwards). + * (deprecated in CUDA 11.0) + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL). + * Kernel activities are now reported using the CUpti_ActivityKernel9 activity + * record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * For devices with compute capability 7.0+ cacheConfig values are not updated + * in case field isSharedMemoryCarveoutRequested is set + */ + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The timestamp when the kernel is queued up in the command buffer, in ns. + * A value of CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time + * could not be collected for the kernel. This timestamp is not collected + * by default. Use API \ref cuptiActivityEnableLatencyTimestamps() to + * enable collection. + * + * Command buffer is a buffer written by CUDA driver to send commands + * like kernel launch, memory copy etc to the GPU. All launches of CUDA + * kernels are asynchrnous with respect to the host, the host requests + * the launch by writing commands into the command buffer, then returns + * without checking the GPU's progress. + */ + uint64_t queued; + + /** + * The timestamp when the command buffer containing the kernel launch + * is submitted to the GPU, in ns. A value of CUPTI_TIMESTAMP_UNKNOWN + * indicates that the submitted time could not be collected for the kernel. + * This timestamp is not collected by default. Use API \ref + * cuptiActivityEnableLatencyTimestamps() to enable collection. + */ + uint64_t submitted; + + /** + * The indicates if the kernel was executed via a regular launch or via a + * single/multi device cooperative launch. \see CUpti_ActivityLaunchType + */ + uint8_t launchType; + + /** + * This indicates if CU_FUNC_ATTRIBUTE_PREFERRED_SHARED_MEMORY_CARVEOUT was + * updated for the kernel launch + */ + uint8_t isSharedMemoryCarveoutRequested; + + /** + * Shared memory carveout value requested for the function in percentage of + * the total resource. The value will be updated only if field + * isSharedMemoryCarveoutRequested is set. + */ + uint8_t sharedMemoryCarveoutRequested; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t padding; + + /** + * Shared memory size set by the driver. + */ + uint32_t sharedMemoryExecuted; +} CUpti_ActivityKernel4; + +/** + * \brief The shared memory limit per block config for a kernel + * This should be used to set 'cudaOccFuncShmemConfig' field in occupancy calculator API + */ +typedef enum { + /** The shared memory limit config is default + */ + CUPTI_FUNC_SHMEM_LIMIT_DEFAULT = 0x00, + + /** User has opted for a higher dynamic shared memory limit using function attribute + * 'cudaFuncAttributeMaxDynamicSharedMemorySize' for runtime API or + * CU_FUNC_ATTRIBUTE_MAX_DYNAMIC_SHARED_SIZE_BYTES for driver API + */ + CUPTI_FUNC_SHMEM_LIMIT_OPTIN = 0x01, + + CUPTI_FUNC_SHMEM_LIMIT_FORCE_INT = 0x7fffffff +} CUpti_FuncShmemLimitConfig; + +/** + * \brief The activity record for a kernel (CUDA 11.0(with sm_80 support) onwards). + * (deprecated in CUDA 11.2) + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) but is no longer generated + * by CUPTI. Kernel activities are now reported using the + * CUpti_ActivityKernel9 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * For devices with compute capability 7.0+ cacheConfig values are not updated + * in case field isSharedMemoryCarveoutRequested is set + */ + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The timestamp when the kernel is queued up in the command buffer, in ns. + * A value of CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time + * could not be collected for the kernel. This timestamp is not collected + * by default. Use API \ref cuptiActivityEnableLatencyTimestamps() to + * enable collection. + * + * Command buffer is a buffer written by CUDA driver to send commands + * like kernel launch, memory copy etc to the GPU. All launches of CUDA + * kernels are asynchrnous with respect to the host, the host requests + * the launch by writing commands into the command buffer, then returns + * without checking the GPU's progress. + */ + uint64_t queued; + + /** + * The timestamp when the command buffer containing the kernel launch + * is submitted to the GPU, in ns. A value of CUPTI_TIMESTAMP_UNKNOWN + * indicates that the submitted time could not be collected for the kernel. + * This timestamp is not collected by default. Use API \ref + * cuptiActivityEnableLatencyTimestamps() to enable collection. + */ + uint64_t submitted; + + /** + * The indicates if the kernel was executed via a regular launch or via a + * single/multi device cooperative launch. \see CUpti_ActivityLaunchType + */ + uint8_t launchType; + + /** + * This indicates if CU_FUNC_ATTRIBUTE_PREFERRED_SHARED_MEMORY_CARVEOUT was + * updated for the kernel launch + */ + uint8_t isSharedMemoryCarveoutRequested; + + /** + * Shared memory carveout value requested for the function in percentage of + * the total resource. The value will be updated only if field + * isSharedMemoryCarveoutRequested is set. + */ + uint8_t sharedMemoryCarveoutRequested; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t padding; + + /** + * Shared memory size set by the driver. + */ + uint32_t sharedMemoryExecuted; + + /** + * The unique ID of the graph node that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint64_t graphNodeId; + + /** + * The shared memory limit config for the kernel. This field shows whether user has opted for a + * higher per block limit of dynamic shared memory. + */ + CUpti_FuncShmemLimitConfig shmemLimitConfig; + + /** + * The unique ID of the graph that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint32_t graphId; +} CUpti_ActivityKernel5; + +/** + * \brief The activity record for kernel. (deprecated in CUDA 11.6) + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) but is no longer generated + * by CUPTI. Kernel activities are now reported using the + * CUpti_ActivityKernel9 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * For devices with compute capability 7.0+ cacheConfig values are not updated + * in case field isSharedMemoryCarveoutRequested is set + */ + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The timestamp when the kernel is queued up in the command buffer, in ns. + * A value of CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time + * could not be collected for the kernel. This timestamp is not collected + * by default. Use API \ref cuptiActivityEnableLatencyTimestamps() to + * enable collection. + * + * Command buffer is a buffer written by CUDA driver to send commands + * like kernel launch, memory copy etc to the GPU. All launches of CUDA + * kernels are asynchrnous with respect to the host, the host requests + * the launch by writing commands into the command buffer, then returns + * without checking the GPU's progress. + */ + uint64_t queued; + + /** + * The timestamp when the command buffer containing the kernel launch + * is submitted to the GPU, in ns. A value of CUPTI_TIMESTAMP_UNKNOWN + * indicates that the submitted time could not be collected for the kernel. + * This timestamp is not collected by default. Use API \ref + * cuptiActivityEnableLatencyTimestamps() to enable collection. + */ + uint64_t submitted; + + /** + * The indicates if the kernel was executed via a regular launch or via a + * single/multi device cooperative launch. \see CUpti_ActivityLaunchType + */ + uint8_t launchType; + + /** + * This indicates if CU_FUNC_ATTRIBUTE_PREFERRED_SHARED_MEMORY_CARVEOUT was + * updated for the kernel launch + */ + uint8_t isSharedMemoryCarveoutRequested; + + /** + * Shared memory carveout value requested for the function in percentage of + * the total resource. The value will be updated only if field + * isSharedMemoryCarveoutRequested is set. + */ + uint8_t sharedMemoryCarveoutRequested; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t padding; + + /** + * Shared memory size set by the driver. + */ + uint32_t sharedMemoryExecuted; + + /** + * The unique ID of the graph node that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint64_t graphNodeId; + + /** + * The shared memory limit config for the kernel. This field shows whether user has opted for a + * higher per block limit of dynamic shared memory. + */ + CUpti_FuncShmemLimitConfig shmemLimitConfig; + + /** + * The unique ID of the graph that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint32_t graphId; + + /** + * The pointer to the access policy window. The structure CUaccessPolicyWindow is + * defined in cuda.h. + */ + CUaccessPolicyWindow *pAccessPolicyWindow; +} CUpti_ActivityKernel6; + +/** + * \brief The activity record for kernel. (deprecated in CUDA 11.8) + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) but is no longer generated + * by CUPTI. Kernel activities are now reported using the + * CUpti_ActivityKernel9 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * For devices with compute capability 7.0+ cacheConfig values are not updated + * in case field isSharedMemoryCarveoutRequested is set + */ + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The timestamp when the kernel is queued up in the command buffer, in ns. + * A value of CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time + * could not be collected for the kernel. This timestamp is not collected + * by default. Use API \ref cuptiActivityEnableLatencyTimestamps() to + * enable collection. + * + * Command buffer is a buffer written by CUDA driver to send commands + * like kernel launch, memory copy etc to the GPU. All launches of CUDA + * kernels are asynchrnous with respect to the host, the host requests + * the launch by writing commands into the command buffer, then returns + * without checking the GPU's progress. + */ + uint64_t queued; + + /** + * The timestamp when the command buffer containing the kernel launch + * is submitted to the GPU, in ns. A value of CUPTI_TIMESTAMP_UNKNOWN + * indicates that the submitted time could not be collected for the kernel. + * This timestamp is not collected by default. Use API \ref + * cuptiActivityEnableLatencyTimestamps() to enable collection. + */ + uint64_t submitted; + + /** + * The indicates if the kernel was executed via a regular launch or via a + * single/multi device cooperative launch. \see CUpti_ActivityLaunchType + */ + uint8_t launchType; + + /** + * This indicates if CU_FUNC_ATTRIBUTE_PREFERRED_SHARED_MEMORY_CARVEOUT was + * updated for the kernel launch + */ + uint8_t isSharedMemoryCarveoutRequested; + + /** + * Shared memory carveout value requested for the function in percentage of + * the total resource. The value will be updated only if field + * isSharedMemoryCarveoutRequested is set. + */ + uint8_t sharedMemoryCarveoutRequested; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t padding; + + /** + * Shared memory size set by the driver. + */ + uint32_t sharedMemoryExecuted; + + /** + * The unique ID of the graph node that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint64_t graphNodeId; + + /** + * The shared memory limit config for the kernel. This field shows whether user has opted for a + * higher per block limit of dynamic shared memory. + */ + CUpti_FuncShmemLimitConfig shmemLimitConfig; + + /** + * The unique ID of the graph that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint32_t graphId; + + /** + * The pointer to the access policy window. The structure CUaccessPolicyWindow is + * defined in cuda.h. + */ + CUaccessPolicyWindow *pAccessPolicyWindow; + + /** + * The ID of the HW channel on which the kernel is launched. + */ + uint32_t channelID; + + /** + * The type of the channel + */ + CUpti_ChannelType channelType; +} CUpti_ActivityKernel7; + +/** + * \brief The activity record for kernel. + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * For devices with compute capability 7.0+ cacheConfig values are not updated + * in case field isSharedMemoryCarveoutRequested is set + */ + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes (deprecated in CUDA 11.8). + * Refer field localMemoryTotal_v2 + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The timestamp when the kernel is queued up in the command buffer, in ns. + * A value of CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time + * could not be collected for the kernel. This timestamp is not collected + * by default. Use API \ref cuptiActivityEnableLatencyTimestamps() to + * enable collection. + * + * Command buffer is a buffer written by CUDA driver to send commands + * like kernel launch, memory copy etc to the GPU. All launches of CUDA + * kernels are asynchrnous with respect to the host, the host requests + * the launch by writing commands into the command buffer, then returns + * without checking the GPU's progress. + */ + uint64_t queued; + + /** + * The timestamp when the command buffer containing the kernel launch + * is submitted to the GPU, in ns. A value of CUPTI_TIMESTAMP_UNKNOWN + * indicates that the submitted time could not be collected for the kernel. + * This timestamp is not collected by default. Use API \ref + * cuptiActivityEnableLatencyTimestamps() to enable collection. + */ + uint64_t submitted; + + /** + * The indicates if the kernel was executed via a regular launch or via a + * single/multi device cooperative launch. \see CUpti_ActivityLaunchType + */ + uint8_t launchType; + + /** + * This indicates if CU_FUNC_ATTRIBUTE_PREFERRED_SHARED_MEMORY_CARVEOUT was + * updated for the kernel launch + */ + uint8_t isSharedMemoryCarveoutRequested; + + /** + * Shared memory carveout value requested for the function in percentage of + * the total resource. The value will be updated only if field + * isSharedMemoryCarveoutRequested is set. + */ + uint8_t sharedMemoryCarveoutRequested; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t padding; + + /** + * Shared memory size set by the driver. + */ + uint32_t sharedMemoryExecuted; + + /** + * The unique ID of the graph node that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint64_t graphNodeId; + + /** + * The shared memory limit config for the kernel. This field shows whether user has opted for a + * higher per block limit of dynamic shared memory. + */ + CUpti_FuncShmemLimitConfig shmemLimitConfig; + + /** + * The unique ID of the graph that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint32_t graphId; + + /** + * The pointer to the access policy window. The structure CUaccessPolicyWindow is + * defined in cuda.h. + */ + CUaccessPolicyWindow *pAccessPolicyWindow; + + /** + * The ID of the HW channel on which the kernel is launched. + */ + uint32_t channelID; + + /** + * The type of the channel + */ + CUpti_ChannelType channelType; + + /** + * The X-dimension cluster size for the kernel. + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterX; + + /** + * The Y-dimension cluster size for the kernel. + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterY; + + /** + * The Z-dimension cluster size for the kernel. + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterZ; + + /** + * The cluster scheduling policy for the kernel. Refer CUclusterSchedulingPolicy + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterSchedulingPolicy; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint64_t localMemoryTotal_v2; +} CUpti_ActivityKernel8; + +/** + * \brief The activity record for kernel. + * + * This activity record represents a kernel execution + * (CUPTI_ACTIVITY_KIND_KERNEL and + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL) + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_KERNEL or + * CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL. + */ + CUpti_ActivityKind kind; + + /** + * For devices with compute capability 7.0+ cacheConfig values are not updated + * in case field isSharedMemoryCarveoutRequested is set + */ + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The partitioned global caching requested for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheRequested; + + /** + * The partitioned global caching executed for the kernel. Partitioned + * global caching is required to enable caching on certain chips, such as + * devices with compute capability 5.2. Partitioned global caching can be + * automatically disabled if the occupancy requirement of the launch cannot + * support caching. + */ + CUpti_ActivityPartitionedGlobalCacheConfig partitionedGlobalCacheExecuted; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The completed timestamp for the kernel execution, in ns. It + * represents the completion of all it's child kernels and the + * kernel itself. A value of CUPTI_TIMESTAMP_UNKNOWN indicates that + * the completion time is unknown. + */ + uint64_t completed; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes (deprecated in CUDA 11.8). + * Refer field localMemoryTotal_v2 + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel is assigned a unique + * grid ID at runtime. + */ + int64_t gridId; + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; + + /** + * Undefined. Reserved for internal use. + */ + void *reserved0; + + /** + * The timestamp when the kernel is queued up in the command buffer, in ns. + * A value of CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time + * could not be collected for the kernel. This timestamp is not collected + * by default. Use API \ref cuptiActivityEnableLatencyTimestamps() to + * enable collection. + * + * Command buffer is a buffer written by CUDA driver to send commands + * like kernel launch, memory copy etc to the GPU. All launches of CUDA + * kernels are asynchrnous with respect to the host, the host requests + * the launch by writing commands into the command buffer, then returns + * without checking the GPU's progress. + */ + uint64_t queued; + + /** + * The timestamp when the command buffer containing the kernel launch + * is submitted to the GPU, in ns. A value of CUPTI_TIMESTAMP_UNKNOWN + * indicates that the submitted time could not be collected for the kernel. + * This timestamp is not collected by default. Use API \ref + * cuptiActivityEnableLatencyTimestamps() to enable collection. + */ + uint64_t submitted; + + /** + * The indicates if the kernel was executed via a regular launch or via a + * single/multi device cooperative launch. \see CUpti_ActivityLaunchType + */ + uint8_t launchType; + + /** + * This indicates if CU_FUNC_ATTRIBUTE_PREFERRED_SHARED_MEMORY_CARVEOUT was + * updated for the kernel launch + */ + uint8_t isSharedMemoryCarveoutRequested; + + /** + * Shared memory carveout value requested for the function in percentage of + * the total resource. The value will be updated only if field + * isSharedMemoryCarveoutRequested is set. + */ + uint8_t sharedMemoryCarveoutRequested; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t padding; + + /** + * Shared memory size set by the driver. + */ + uint32_t sharedMemoryExecuted; + + /** + * The unique ID of the graph node that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint64_t graphNodeId; + + /** + * The shared memory limit config for the kernel. This field shows whether user has opted for a + * higher per block limit of dynamic shared memory. + */ + CUpti_FuncShmemLimitConfig shmemLimitConfig; + + /** + * The unique ID of the graph that launched this kernel through graph launch APIs. + * This field will be 0 if the kernel is not launched through graph launch APIs. + */ + uint32_t graphId; + + /** + * The pointer to the access policy window. The structure CUaccessPolicyWindow is + * defined in cuda.h. + */ + CUaccessPolicyWindow *pAccessPolicyWindow; + + /** + * The ID of the HW channel on which the kernel is launched. + */ + uint32_t channelID; + + /** + * The type of the channel + */ + CUpti_ChannelType channelType; + + /** + * The X-dimension cluster size for the kernel. + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterX; + + /** + * The Y-dimension cluster size for the kernel. + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterY; + + /** + * The Z-dimension cluster size for the kernel. + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterZ; + + /** + * The cluster scheduling policy for the kernel. Refer CUclusterSchedulingPolicy + * Field is valid for devices with compute capability 9.0 and higher + */ + uint32_t clusterSchedulingPolicy; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint64_t localMemoryTotal_v2; + + /** + * The maximum cluster size for the kernel + */ + uint32_t maxPotentialClusterSize; + + /** + * The maximum clusters that could co-exist on the target device for the kernel + */ + uint32_t maxActiveClusters; +} CUpti_ActivityKernel9; + + +/** + * \brief The activity record for CDP (CUDA Dynamic Parallelism) + * kernel. + * + * This activity record represents a CDP kernel execution. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_CDP_KERNEL + */ + CUpti_ActivityKind kind; + + union { + uint8_t both; + struct { + /** + * The cache configuration requested by the kernel. The value is one + * of the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t requested:4; + + /** + * The cache configuration used for the kernel. The value is one of + * the CUfunc_cache enumeration values from cuda.h. + */ + uint8_t executed:4; + } config; + } cacheConfig; + + /** + * The shared memory configuration used for the kernel. The value is one of + * the CUsharedconfig enumeration values from cuda.h. + */ + uint8_t sharedMemoryConfig; + + /** + * The number of registers required for each thread executing the + * kernel. + */ + uint16_t registersPerThread; + + /** + * The start timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t start; + + /** + * The end timestamp for the kernel execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the kernel. + */ + uint64_t end; + + /** + * The ID of the device where the kernel is executing. + */ + uint32_t deviceId; + + /** + * The ID of the context where the kernel is executing. + */ + uint32_t contextId; + + /** + * The ID of the stream where the kernel is executing. + */ + uint32_t streamId; + + /** + * The X-dimension grid size for the kernel. + */ + int32_t gridX; + + /** + * The Y-dimension grid size for the kernel. + */ + int32_t gridY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t gridZ; + + /** + * The X-dimension block size for the kernel. + */ + int32_t blockX; + + /** + * The Y-dimension block size for the kernel. + */ + int32_t blockY; + + /** + * The Z-dimension grid size for the kernel. + */ + int32_t blockZ; + + /** + * The static shared memory allocated for the kernel, in bytes. + */ + int32_t staticSharedMemory; + + /** + * The dynamic shared memory reserved for the kernel, in bytes. + */ + int32_t dynamicSharedMemory; + + /** + * The amount of local memory reserved for each thread, in bytes. + */ + uint32_t localMemoryPerThread; + + /** + * The total amount of local memory reserved for the kernel, in + * bytes. + */ + uint32_t localMemoryTotal; + + /** + * The correlation ID of the kernel. Each kernel execution is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the kernel. + */ + uint32_t correlationId; + + /** + * The grid ID of the kernel. Each kernel execution + * is assigned a unique grid ID. + */ + int64_t gridId; + + /** + * The grid ID of the parent kernel. + */ + int64_t parentGridId; + + /** + * The timestamp when kernel is queued up, in ns. A value of + * CUPTI_TIMESTAMP_UNKNOWN indicates that the queued time is + * unknown. + */ + uint64_t queued; + + /** + * The timestamp when kernel is submitted to the gpu, in ns. A value + * of CUPTI_TIMESTAMP_UNKNOWN indicates that the submission time is + * unknown. + */ + uint64_t submitted; + + /** + * The timestamp when kernel is marked as completed, in ns. A value + * of CUPTI_TIMESTAMP_UNKNOWN indicates that the completion time is + * unknown. + */ + uint64_t completed; + + /** + * The X-dimension of the parent block. + */ + uint32_t parentBlockX; + + /** + * The Y-dimension of the parent block. + */ + uint32_t parentBlockY; + + /** + * The Z-dimension of the parent block. + */ + uint32_t parentBlockZ; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The name of the kernel. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; +} CUpti_ActivityCdpKernel; + +/** + * \brief The activity record for a preemption of a CDP kernel. + * + * This activity record represents a preemption of a CDP kernel. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_PREEMPTION + */ + CUpti_ActivityKind kind; + + /** + * kind of the preemption + */ + CUpti_ActivityPreemptionKind preemptionKind; + + /** + * The timestamp of the preemption, in ns. A value of 0 indicates + * that timestamp information could not be collected for the + * preemption. + */ + uint64_t timestamp; + + /** + * The grid-id of the block that is preempted + */ + int64_t gridId; + + /** + * The X-dimension of the block that is preempted + */ + uint32_t blockX; + + /** + * The Y-dimension of the block that is preempted + */ + uint32_t blockY; + + /** + * The Z-dimension of the block that is preempted + */ + uint32_t blockZ; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityPreemption; + +/** + * \brief The activity record for a driver or runtime API invocation. + * + * This activity record represents an invocation of a driver or + * runtime API (CUPTI_ACTIVITY_KIND_DRIVER and + * CUPTI_ACTIVITY_KIND_RUNTIME). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_DRIVER, + * CUPTI_ACTIVITY_KIND_RUNTIME, or CUPTI_ACTIVITY_KIND_INTERNAL_LAUNCH_API. + */ + CUpti_ActivityKind kind; + + /** + * The ID of the driver or runtime function. + */ + CUpti_CallbackId cbid; + + /** + * The start timestamp for the function, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the function. + */ + uint64_t start; + + /** + * The end timestamp for the function, in ns. A value of 0 for both + * the start and end timestamps indicates that timestamp information + * could not be collected for the function. + */ + uint64_t end; + + /** + * The ID of the process where the driver or runtime CUDA function + * is executing. + */ + uint32_t processId; + + /** + * The ID of the thread where the driver or runtime CUDA function is + * executing. + */ + uint32_t threadId; + + /** + * The correlation ID of the driver or runtime CUDA function. Each + * function invocation is assigned a unique correlation ID that is + * identical to the correlation ID in the memcpy, memset, or kernel + * activity record that is associated with this function. + */ + uint32_t correlationId; + + /** + * The return value for the function. For a CUDA driver function + * with will be a CUresult value, and for a CUDA runtime function + * this will be a cudaError_t value. + */ + uint32_t returnValue; +} CUpti_ActivityAPI; + +/** + * \brief The activity record for a CUPTI event. + * + * This activity record represents a CUPTI event value + * (CUPTI_ACTIVITY_KIND_EVENT). This activity record kind is not + * produced by the activity API but is included for completeness and + * ease-of-use. Profile frameworks built on top of CUPTI that collect + * event data may choose to use this type to store the collected event + * data. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_EVENT. + */ + CUpti_ActivityKind kind; + + /** + * The event ID. + */ + CUpti_EventID id; + + /** + * The event value. + */ + uint64_t value; + + /** + * The event domain ID. + */ + CUpti_EventDomainID domain; + + /** + * The correlation ID of the event. Use of this ID is user-defined, + * but typically this ID value will equal the correlation ID of the + * kernel for which the event was gathered. + */ + uint32_t correlationId; +} CUpti_ActivityEvent; + +/** + * \brief The activity record for a CUPTI event with instance + * information. + * + * This activity record represents the a CUPTI event value for a + * specific event domain instance + * (CUPTI_ACTIVITY_KIND_EVENT_INSTANCE). This activity record kind is + * not produced by the activity API but is included for completeness + * and ease-of-use. Profile frameworks built on top of CUPTI that + * collect event data may choose to use this type to store the + * collected event data. This activity record should be used when + * event domain instance information needs to be associated with the + * event. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be + * CUPTI_ACTIVITY_KIND_EVENT_INSTANCE. + */ + CUpti_ActivityKind kind; + + /** + * The event ID. + */ + CUpti_EventID id; + + /** + * The event domain ID. + */ + CUpti_EventDomainID domain; + + /** + * The event domain instance. + */ + uint32_t instance; + + /** + * The event value. + */ + uint64_t value; + + /** + * The correlation ID of the event. Use of this ID is user-defined, + * but typically this ID value will equal the correlation ID of the + * kernel for which the event was gathered. + */ + uint32_t correlationId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityEventInstance; + +/** + * \brief The activity record for a CUPTI metric. + * + * This activity record represents the collection of a CUPTI metric + * value (CUPTI_ACTIVITY_KIND_METRIC). This activity record kind is not + * produced by the activity API but is included for completeness and + * ease-of-use. Profile frameworks built on top of CUPTI that collect + * metric data may choose to use this type to store the collected metric + * data. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_METRIC. + */ + CUpti_ActivityKind kind; + + /** + * The metric ID. + */ + CUpti_MetricID id; + + /** + * The metric value. + */ + CUpti_MetricValue value; + + /** + * The correlation ID of the metric. Use of this ID is user-defined, + * but typically this ID value will equal the correlation ID of the + * kernel for which the metric was gathered. + */ + uint32_t correlationId; + + /** + * The properties of this metric. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t pad[3]; +} CUpti_ActivityMetric; + +/** + * \brief The activity record for a CUPTI metric with instance + * information. + * + * This activity record represents a CUPTI metric value + * for a specific metric domain instance + * (CUPTI_ACTIVITY_KIND_METRIC_INSTANCE). This activity record kind + * is not produced by the activity API but is included for + * completeness and ease-of-use. Profile frameworks built on top of + * CUPTI that collect metric data may choose to use this type to store + * the collected metric data. This activity record should be used when + * metric domain instance information needs to be associated with the + * metric. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be + * CUPTI_ACTIVITY_KIND_METRIC_INSTANCE. + */ + CUpti_ActivityKind kind; + + /** + * The metric ID. + */ + CUpti_MetricID id; + + /** + * The metric value. + */ + CUpti_MetricValue value; + + /** + * The metric domain instance. + */ + uint32_t instance; + + /** + * The correlation ID of the metric. Use of this ID is user-defined, + * but typically this ID value will equal the correlation ID of the + * kernel for which the metric was gathered. + */ + uint32_t correlationId; + + /** + * The properties of this metric. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * Undefined. Reserved for internal use. + */ + uint8_t pad[7]; +} CUpti_ActivityMetricInstance; + +/** + * \brief The activity record for source locator. + * + * This activity record represents a source locator + * (CUPTI_ACTIVITY_KIND_SOURCE_LOCATOR). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_SOURCE_LOCATOR. + */ + CUpti_ActivityKind kind; + + /** + * The ID for the source path, will be used in all the source level + * results. + */ + uint32_t id; + + /** + * The line number in the source . + */ + uint32_t lineNumber; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The path for the file. + */ + const char *fileName; +} CUpti_ActivitySourceLocator; + +/** + * \brief The activity record for source-level global + * access. (deprecated) + * + * This activity records the locations of the global + * accesses in the source (CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS). + * Global access activities are now reported using the + * CUpti_ActivityGlobalAccess3 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this global access. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * The pc offset for the access. + */ + uint32_t pcOffset; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * when at least one of thread among warp is active with predicate and condition code + * evaluating to true. + */ + uint32_t executed; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction with predicate and condition code evaluating to true. + */ + uint64_t threadsExecuted; + + /** + * The total number of 32 bytes transactions to L2 cache generated by this access + */ + uint64_t l2_transactions; +} CUpti_ActivityGlobalAccess; + +/** + * \brief The activity record for source-level global + * access. (deprecated in CUDA 9.0) + * + * This activity records the locations of the global + * accesses in the source (CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS). + * Global access activities are now reported using the + * CUpti_ActivityGlobalAccess3 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this global access. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the access. + */ + uint32_t pcOffset; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction with predicate and condition code evaluating to true. + */ + uint64_t threadsExecuted; + + /** + * The total number of 32 bytes transactions to L2 cache generated by this access + */ + uint64_t l2_transactions; + + /** + * The minimum number of L2 transactions possible based on the access pattern. + */ + uint64_t theoreticalL2Transactions; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * when at least one of thread among warp is active with predicate and condition code + * evaluating to true. + */ + uint32_t executed; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityGlobalAccess2; + +/** + * \brief The activity record for source-level global + * access. + * + * This activity records the locations of the global + * accesses in the source (CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_GLOBAL_ACCESS. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this global access. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * when at least one of thread among warp is active with predicate and condition code + * evaluating to true. + */ + uint32_t executed; + + /** + * The pc offset for the access. + */ + uint64_t pcOffset; + + /** + * This increments each time when this instruction is executed by number of + * threads that executed this instruction with predicate and condition code + * evaluating to true. + */ + uint64_t threadsExecuted; + + /** + * The total number of 32 bytes transactions to L2 cache generated by this + access + */ + uint64_t l2_transactions; + + /** + * The minimum number of L2 transactions possible based on the access pattern. + */ + uint64_t theoreticalL2Transactions; +} CUpti_ActivityGlobalAccess3; + +/** + * \brief The activity record for source level result + * branch. (deprecated) + * + * This activity record the locations of the branches in the + * source (CUPTI_ACTIVITY_KIND_BRANCH). + * Branch activities are now reported using the + * CUpti_ActivityBranch2 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_BRANCH. + */ + CUpti_ActivityKind kind; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * The pc offset for the branch. + */ + uint32_t pcOffset; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * regardless of predicate or condition code. + */ + uint32_t executed; + + /** + * Number of times this branch diverged + */ + uint32_t diverged; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction + */ + uint64_t threadsExecuted; +} CUpti_ActivityBranch; + +/** + * \brief The activity record for source level result + * branch. + * + * This activity record the locations of the branches in the + * source (CUPTI_ACTIVITY_KIND_BRANCH). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_BRANCH. + */ + CUpti_ActivityKind kind; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the branch. + */ + uint32_t pcOffset; + + /** + * Number of times this branch diverged + */ + uint32_t diverged; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction + */ + uint64_t threadsExecuted; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * regardless of predicate or condition code. + */ + uint32_t executed; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityBranch2; + + +/** + * \brief The activity record for a device. (deprecated) + * + * This activity record represents information about a GPU device + * (CUPTI_ACTIVITY_KIND_DEVICE). + * Device activity is now reported using the + * CUpti_ActivityDevice4 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_DEVICE. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the device. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The global memory bandwidth available on the device, in + * kBytes/sec. + */ + uint64_t globalMemoryBandwidth; + + /** + * The amount of global memory on the device, in bytes. + */ + uint64_t globalMemorySize; + + /** + * The amount of constant memory on the device, in bytes. + */ + uint32_t constantMemorySize; + + /** + * The size of the L2 cache on the device, in bytes. + */ + uint32_t l2CacheSize; + + /** + * The number of threads per warp on the device. + */ + uint32_t numThreadsPerWarp; + + /** + * The core clock rate of the device, in kHz. + */ + uint32_t coreClockRate; + + /** + * Number of memory copy engines on the device. + */ + uint32_t numMemcpyEngines; + + /** + * Number of multiprocessors on the device. + */ + uint32_t numMultiprocessors; + + /** + * The maximum "instructions per cycle" possible on each device + * multiprocessor. + */ + uint32_t maxIPC; + + /** + * Maximum number of warps that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxWarpsPerMultiprocessor; + + /** + * Maximum number of blocks that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxBlocksPerMultiprocessor; + + /** + * Maximum number of registers that can be allocated to a block. + */ + uint32_t maxRegistersPerBlock; + + /** + * Maximum amount of shared memory that can be assigned to a block, + * in bytes. + */ + uint32_t maxSharedMemoryPerBlock; + + /** + * Maximum number of threads allowed in a block. + */ + uint32_t maxThreadsPerBlock; + + /** + * Maximum allowed X dimension for a block. + */ + uint32_t maxBlockDimX; + + /** + * Maximum allowed Y dimension for a block. + */ + uint32_t maxBlockDimY; + + /** + * Maximum allowed Z dimension for a block. + */ + uint32_t maxBlockDimZ; + + /** + * Maximum allowed X dimension for a grid. + */ + uint32_t maxGridDimX; + + /** + * Maximum allowed Y dimension for a grid. + */ + uint32_t maxGridDimY; + + /** + * Maximum allowed Z dimension for a grid. + */ + uint32_t maxGridDimZ; + + /** + * Compute capability for the device, major number. + */ + uint32_t computeCapabilityMajor; + + /** + * Compute capability for the device, minor number. + */ + uint32_t computeCapabilityMinor; + + /** + * The device ID. + */ + uint32_t id; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The device name. This name is shared across all activity records + * representing instances of the device, and so should not be + * modified. + */ + const char *name; +} CUpti_ActivityDevice; + +/** + * \brief The activity record for a device. (deprecated) + * + * This activity record represents information about a GPU device + * (CUPTI_ACTIVITY_KIND_DEVICE). + * Device activity is now reported using the + * CUpti_ActivityDevice4 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_DEVICE. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the device. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The global memory bandwidth available on the device, in + * kBytes/sec. + */ + uint64_t globalMemoryBandwidth; + + /** + * The amount of global memory on the device, in bytes. + */ + uint64_t globalMemorySize; + + /** + * The amount of constant memory on the device, in bytes. + */ + uint32_t constantMemorySize; + + /** + * The size of the L2 cache on the device, in bytes. + */ + uint32_t l2CacheSize; + + /** + * The number of threads per warp on the device. + */ + uint32_t numThreadsPerWarp; + + /** + * The core clock rate of the device, in kHz. + */ + uint32_t coreClockRate; + + /** + * Number of memory copy engines on the device. + */ + uint32_t numMemcpyEngines; + + /** + * Number of multiprocessors on the device. + */ + uint32_t numMultiprocessors; + + /** + * The maximum "instructions per cycle" possible on each device + * multiprocessor. + */ + uint32_t maxIPC; + + /** + * Maximum number of warps that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxWarpsPerMultiprocessor; + + /** + * Maximum number of blocks that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxBlocksPerMultiprocessor; + + /** + * Maximum amount of shared memory available per multiprocessor, in bytes. + */ + uint32_t maxSharedMemoryPerMultiprocessor; + + /** + * Maximum number of 32-bit registers available per multiprocessor. + */ + uint32_t maxRegistersPerMultiprocessor; + + /** + * Maximum number of registers that can be allocated to a block. + */ + uint32_t maxRegistersPerBlock; + + /** + * Maximum amount of shared memory that can be assigned to a block, + * in bytes. + */ + uint32_t maxSharedMemoryPerBlock; + + /** + * Maximum number of threads allowed in a block. + */ + uint32_t maxThreadsPerBlock; + + /** + * Maximum allowed X dimension for a block. + */ + uint32_t maxBlockDimX; + + /** + * Maximum allowed Y dimension for a block. + */ + uint32_t maxBlockDimY; + + /** + * Maximum allowed Z dimension for a block. + */ + uint32_t maxBlockDimZ; + + /** + * Maximum allowed X dimension for a grid. + */ + uint32_t maxGridDimX; + + /** + * Maximum allowed Y dimension for a grid. + */ + uint32_t maxGridDimY; + + /** + * Maximum allowed Z dimension for a grid. + */ + uint32_t maxGridDimZ; + + /** + * Compute capability for the device, major number. + */ + uint32_t computeCapabilityMajor; + + /** + * Compute capability for the device, minor number. + */ + uint32_t computeCapabilityMinor; + + /** + * The device ID. + */ + uint32_t id; + + /** + * ECC enabled flag for device + */ + uint32_t eccEnabled; + + /** + * The device UUID. This value is the globally unique immutable + * alphanumeric identifier of the device. + */ + CUuuid uuid; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The device name. This name is shared across all activity records + * representing instances of the device, and so should not be + * modified. + */ + const char *name; +} CUpti_ActivityDevice2; + +/** + * \brief The activity record for a device. (CUDA 7.0 onwards) + * + * This activity record represents information about a GPU device + * (CUPTI_ACTIVITY_KIND_DEVICE). + * Device activity is now reported using the + * CUpti_ActivityDevice4 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_DEVICE. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the device. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The global memory bandwidth available on the device, in + * kBytes/sec. + */ + uint64_t globalMemoryBandwidth; + + /** + * The amount of global memory on the device, in bytes. + */ + uint64_t globalMemorySize; + + /** + * The amount of constant memory on the device, in bytes. + */ + uint32_t constantMemorySize; + + /** + * The size of the L2 cache on the device, in bytes. + */ + uint32_t l2CacheSize; + + /** + * The number of threads per warp on the device. + */ + uint32_t numThreadsPerWarp; + + /** + * The core clock rate of the device, in kHz. + */ + uint32_t coreClockRate; + + /** + * Number of memory copy engines on the device. + */ + uint32_t numMemcpyEngines; + + /** + * Number of multiprocessors on the device. + */ + uint32_t numMultiprocessors; + + /** + * The maximum "instructions per cycle" possible on each device + * multiprocessor. + */ + uint32_t maxIPC; + + /** + * Maximum number of warps that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxWarpsPerMultiprocessor; + + /** + * Maximum number of blocks that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxBlocksPerMultiprocessor; + + /** + * Maximum amount of shared memory available per multiprocessor, in bytes. + */ + uint32_t maxSharedMemoryPerMultiprocessor; + + /** + * Maximum number of 32-bit registers available per multiprocessor. + */ + uint32_t maxRegistersPerMultiprocessor; + + /** + * Maximum number of registers that can be allocated to a block. + */ + uint32_t maxRegistersPerBlock; + + /** + * Maximum amount of shared memory that can be assigned to a block, + * in bytes. + */ + uint32_t maxSharedMemoryPerBlock; + + /** + * Maximum number of threads allowed in a block. + */ + uint32_t maxThreadsPerBlock; + + /** + * Maximum allowed X dimension for a block. + */ + uint32_t maxBlockDimX; + + /** + * Maximum allowed Y dimension for a block. + */ + uint32_t maxBlockDimY; + + /** + * Maximum allowed Z dimension for a block. + */ + uint32_t maxBlockDimZ; + + /** + * Maximum allowed X dimension for a grid. + */ + uint32_t maxGridDimX; + + /** + * Maximum allowed Y dimension for a grid. + */ + uint32_t maxGridDimY; + + /** + * Maximum allowed Z dimension for a grid. + */ + uint32_t maxGridDimZ; + + /** + * Compute capability for the device, major number. + */ + uint32_t computeCapabilityMajor; + + /** + * Compute capability for the device, minor number. + */ + uint32_t computeCapabilityMinor; + + /** + * The device ID. + */ + uint32_t id; + + /** + * ECC enabled flag for device + */ + uint32_t eccEnabled; + + /** + * The device UUID. This value is the globally unique immutable + * alphanumeric identifier of the device. + */ + CUuuid uuid; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The device name. This name is shared across all activity records + * representing instances of the device, and so should not be + * modified. + */ + const char *name; + + /** + * Flag to indicate whether the device is visible to CUDA. Users can + * set the device visibility using CUDA_VISIBLE_DEVICES environment + */ + uint8_t isCudaVisible; + + uint8_t reserved[7]; +} CUpti_ActivityDevice3; + + +/** + * \brief The activity record for a device. (CUDA 11.6 onwards) + * + * This activity record represents information about a GPU device + * (CUPTI_ACTIVITY_KIND_DEVICE). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_DEVICE. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the device. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The global memory bandwidth available on the device, in + * kBytes/sec. + */ + uint64_t globalMemoryBandwidth; + + /** + * The amount of global memory on the device, in bytes. + */ + uint64_t globalMemorySize; + + /** + * The amount of constant memory on the device, in bytes. + */ + uint32_t constantMemorySize; + + /** + * The size of the L2 cache on the device, in bytes. + */ + uint32_t l2CacheSize; + + /** + * The number of threads per warp on the device. + */ + uint32_t numThreadsPerWarp; + + /** + * The core clock rate of the device, in kHz. + */ + uint32_t coreClockRate; + + /** + * Number of memory copy engines on the device. + */ + uint32_t numMemcpyEngines; + + /** + * Number of multiprocessors on the device. + */ + uint32_t numMultiprocessors; + + /** + * The maximum "instructions per cycle" possible on each device + * multiprocessor. + */ + uint32_t maxIPC; + + /** + * Maximum number of warps that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxWarpsPerMultiprocessor; + + /** + * Maximum number of blocks that can be present on a multiprocessor + * at any given time. + */ + uint32_t maxBlocksPerMultiprocessor; + + /** + * Maximum amount of shared memory available per multiprocessor, in bytes. + */ + uint32_t maxSharedMemoryPerMultiprocessor; + + /** + * Maximum number of 32-bit registers available per multiprocessor. + */ + uint32_t maxRegistersPerMultiprocessor; + + /** + * Maximum number of registers that can be allocated to a block. + */ + uint32_t maxRegistersPerBlock; + + /** + * Maximum amount of shared memory that can be assigned to a block, + * in bytes. + */ + uint32_t maxSharedMemoryPerBlock; + + /** + * Maximum number of threads allowed in a block. + */ + uint32_t maxThreadsPerBlock; + + /** + * Maximum allowed X dimension for a block. + */ + uint32_t maxBlockDimX; + + /** + * Maximum allowed Y dimension for a block. + */ + uint32_t maxBlockDimY; + + /** + * Maximum allowed Z dimension for a block. + */ + uint32_t maxBlockDimZ; + + /** + * Maximum allowed X dimension for a grid. + */ + uint32_t maxGridDimX; + + /** + * Maximum allowed Y dimension for a grid. + */ + uint32_t maxGridDimY; + + /** + * Maximum allowed Z dimension for a grid. + */ + uint32_t maxGridDimZ; + + /** + * Compute capability for the device, major number. + */ + uint32_t computeCapabilityMajor; + + /** + * Compute capability for the device, minor number. + */ + uint32_t computeCapabilityMinor; + + /** + * The device ID. + */ + uint32_t id; + + /** + * ECC enabled flag for device + */ + uint32_t eccEnabled; + + /** + * The device UUID. This value is the globally unique immutable + * alphanumeric identifier of the device. + */ + CUuuid uuid; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The device name. This name is shared across all activity records + * representing instances of the device, and so should not be + * modified. + */ + const char *name; + + /** + * Flag to indicate whether the device is visible to CUDA. Users can + * set the device visibility using CUDA_VISIBLE_DEVICES environment + */ + uint8_t isCudaVisible; + + /** + * MIG enabled flag for device + */ + uint8_t isMigEnabled; + + uint8_t reserved[6]; + + /** + * GPU Instance id for MIG enabled devices. + * If mig mode is disabled value is set to UINT32_MAX + */ + uint32_t gpuInstanceId; + + /** + * Compute Instance id for MIG enabled devices. + * If mig mode is disabled value is set to UINT32_MAX + */ + uint32_t computeInstanceId; + + /** + * The MIG UUID. This value is the globally unique immutable + * alphanumeric identifier of the device. + */ + CUuuid migUuid; + +} CUpti_ActivityDevice4; + +/** + * \brief The activity record for a device attribute. + * + * This activity record represents information about a GPU device: + * either a CUpti_DeviceAttribute or CUdevice_attribute value + * (CUPTI_ACTIVITY_KIND_DEVICE_ATTRIBUTE). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be + * CUPTI_ACTIVITY_KIND_DEVICE_ATTRIBUTE. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the device. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The ID of the device that this attribute applies to. + */ + uint32_t deviceId; + + /** + * The attribute, either a CUpti_DeviceAttribute or + * CUdevice_attribute. Flag + * CUPTI_ACTIVITY_FLAG_DEVICE_ATTRIBUTE_CUDEVICE is used to indicate + * what kind of attribute this is. If + * CUPTI_ACTIVITY_FLAG_DEVICE_ATTRIBUTE_CUDEVICE is 1 then + * CUdevice_attribute field is value, otherwise + * CUpti_DeviceAttribute field is valid. + */ + union { + CUdevice_attribute cu; + CUpti_DeviceAttribute cupti; + } attribute; + + /** + * The value for the attribute. See CUpti_DeviceAttribute and + * CUdevice_attribute for the type of the value for a given + * attribute. + */ + union { + double vDouble; + uint32_t vUint32; + uint64_t vUint64; + int32_t vInt32; + int64_t vInt64; + } value; +} CUpti_ActivityDeviceAttribute; + +/** + * \brief The activity record for a context. + * + * This activity record represents information about a context + * (CUPTI_ACTIVITY_KIND_CONTEXT). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_CONTEXT. + */ + CUpti_ActivityKind kind; + + /** + * The context ID. + */ + uint32_t contextId; + + /** + * The device ID. + */ + uint32_t deviceId; + + /** + * The compute API kind. \see CUpti_ActivityComputeApiKind + */ + uint16_t computeApiKind; + + /** + * The ID for the NULL stream in this context + */ + uint16_t nullStreamId; +} CUpti_ActivityContext; + +/** + * \brief The activity record providing a name. + * + * This activity record provides a name for a device, context, thread, + * etc. and other resource naming done via NVTX APIs + * (CUPTI_ACTIVITY_KIND_NAME). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_NAME. + */ + CUpti_ActivityKind kind; + + /** + * The kind of activity object being named. + */ + CUpti_ActivityObjectKind objectKind; + + /** + * The identifier for the activity object. 'objectKind' indicates + * which ID is valid for this record. + */ + CUpti_ActivityObjectKindId objectId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The name. + */ + const char *name; + +} CUpti_ActivityName; + +/** + * \brief The activity record providing a marker which is an + * instantaneous point in time. (deprecated in CUDA 8.0) + * + * The marker is specified with a descriptive name and unique id + * (CUPTI_ACTIVITY_KIND_MARKER). + * Marker activity is now reported using the + * CUpti_ActivityMarker2 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MARKER. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the marker. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The timestamp for the marker, in ns. A value of 0 indicates that + * timestamp information could not be collected for the marker. + */ + uint64_t timestamp; + + /** + * The marker ID. + */ + uint32_t id; + + /** + * The kind of activity object associated with this marker. + */ + CUpti_ActivityObjectKind objectKind; + + /** + * The identifier for the activity object associated with this + * marker. 'objectKind' indicates which ID is valid for this record. + */ + CUpti_ActivityObjectKindId objectId; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The marker name for an instantaneous or start marker. This will + * be NULL for an end marker. + */ + const char *name; + +} CUpti_ActivityMarker; + +/** + * \brief The activity record providing a marker which is an + * instantaneous point in time. + * + * The marker is specified with a descriptive name and unique id + * (CUPTI_ACTIVITY_KIND_MARKER). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MARKER. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the marker. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The timestamp for the marker, in ns. A value of 0 indicates that + * timestamp information could not be collected for the marker. + */ + uint64_t timestamp; + + /** + * The marker ID. + */ + uint32_t id; + + /** + * The kind of activity object associated with this marker. + */ + CUpti_ActivityObjectKind objectKind; + + /** + * The identifier for the activity object associated with this + * marker. 'objectKind' indicates which ID is valid for this record. + */ + CUpti_ActivityObjectKindId objectId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; + + + /** + * The marker name for an instantaneous or start marker. This will + * be NULL for an end marker. + */ + const char *name; + + /** + * The name of the domain to which this marker belongs to. + * This will be NULL for default domain. + */ + const char *domain; + +} CUpti_ActivityMarker2; + +/** + * \brief The activity record providing detailed information for a marker. + * + * The marker data contains color, payload, and category. + * (CUPTI_ACTIVITY_KIND_MARKER_DATA). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be + * CUPTI_ACTIVITY_KIND_MARKER_DATA. + */ + CUpti_ActivityKind kind; + + /** + * The flags associated with the marker. \see CUpti_ActivityFlag + */ + CUpti_ActivityFlag flags; + + /** + * The marker ID. + */ + uint32_t id; + + /** + * Defines the payload format for the value associated with the marker. + */ + CUpti_MetricValueKind payloadKind; + + /** + * The payload value. + */ + CUpti_MetricValue payload; + + /** + * The color for the marker. + */ + uint32_t color; + + /** + * The category for the marker. + */ + uint32_t category; + +} CUpti_ActivityMarkerData; + +/** + * \brief The activity record for CUPTI and driver overheads. + * + * This activity record provides CUPTI and driver overhead information + * (CUPTI_ACTIVITY_OVERHEAD). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_OVERHEAD. + */ + CUpti_ActivityKind kind; + + /** + * The kind of overhead, CUPTI, DRIVER, COMPILER etc. + */ + CUpti_ActivityOverheadKind overheadKind; + + /** + * The kind of activity object that the overhead is associated with. + */ + CUpti_ActivityObjectKind objectKind; + + /** + * The identifier for the activity object. 'objectKind' indicates + * which ID is valid for this record. + */ + CUpti_ActivityObjectKindId objectId; + + /** + * The start timestamp for the overhead, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the overhead. + */ + uint64_t start; + + /** + * The end timestamp for the overhead, in ns. A value of 0 for both + * the start and end timestamps indicates that timestamp information + * could not be collected for the overhead. + */ + uint64_t end; +} CUpti_ActivityOverhead; + +/** + * \brief The activity record for CUPTI environmental data. + * + * This activity record provides CUPTI environmental data, include + * power, clocks, and thermals. This information is sampled at + * various rates and returned in this activity record. The consumer + * of the record needs to check the environmentKind field to figure + * out what kind of environmental record this is. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_ENVIRONMENT. + */ + CUpti_ActivityKind kind; + + /** + * The ID of the device + */ + uint32_t deviceId; + + /** + * The timestamp when this sample was retrieved, in ns. A value of 0 + * indicates that timestamp information could not be collected for + * the marker. + */ + uint64_t timestamp; + + /** + * The kind of data reported in this record. + */ + CUpti_ActivityEnvironmentKind environmentKind; + + union { + /** + * Data returned for CUPTI_ACTIVITY_ENVIRONMENT_SPEED environment + * kind. + */ + struct { + /** + * The SM frequency in MHz + */ + uint32_t smClock; + + /** + * The memory frequency in MHz + */ + uint32_t memoryClock; + + /** + * The PCIe link generation. + */ + uint32_t pcieLinkGen; + + /** + * The PCIe link width. + */ + uint32_t pcieLinkWidth; + + /** + * The clocks throttle reasons. + */ + CUpti_EnvironmentClocksThrottleReason clocksThrottleReasons; + } speed; + + /** + * Data returned for CUPTI_ACTIVITY_ENVIRONMENT_TEMPERATURE + * environment kind. + */ + struct { + /** + * The GPU temperature in degrees C. + */ + uint32_t gpuTemperature; + } temperature; + + /** + * Data returned for CUPTI_ACTIVITY_ENVIRONMENT_POWER environment + * kind. + */ + struct { + /** + * The power in milliwatts consumed by GPU and associated + * circuitry. + */ + uint32_t power; + + /** + * The power in milliwatts that will trigger power management + * algorithm. + */ + uint32_t powerLimit; + } power; + + /** + * Data returned for CUPTI_ACTIVITY_ENVIRONMENT_COOLING + * environment kind. + */ + struct { + /** + * The fan speed as percentage of maximum. + */ + uint32_t fanSpeed; + } cooling; + } data; +} CUpti_ActivityEnvironment; + +/** + * \brief The activity record for source-level instruction execution. + * + * This activity records result for source level instruction execution. + * (CUPTI_ACTIVITY_KIND_INSTRUCTION_EXECUTION). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_INSTRUCTION_EXECUTION. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this instruction execution. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the instruction. + */ + uint32_t pcOffset; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction, regardless of predicate or condition code. + */ + uint64_t threadsExecuted; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction with predicate and condition code evaluating to true. + */ + uint64_t notPredOffThreadsExecuted; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * regardless of predicate or condition code. + */ + uint32_t executed; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityInstructionExecution; + +/** + * \brief The activity record for PC sampling. (deprecated in CUDA 8.0) + * + * This activity records information obtained by sampling PC + * (CUPTI_ACTIVITY_KIND_PC_SAMPLING). + * PC sampling activities are now reported using the + * CUpti_ActivityPCSampling2 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_PC_SAMPLING. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this instruction. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the instruction. + */ + uint32_t pcOffset; + + /** + * Number of times the PC was sampled with the stallReason in the record. + * The same PC can be sampled with different stall reasons. + */ + uint32_t samples; + + /** + * Current stall reason. Includes one of the reasons from + * \ref CUpti_ActivityPCSamplingStallReason + */ + CUpti_ActivityPCSamplingStallReason stallReason; +} CUpti_ActivityPCSampling; + +/** + * \brief The activity record for PC sampling. (deprecated in CUDA 9.0) + * + * This activity records information obtained by sampling PC + * (CUPTI_ACTIVITY_KIND_PC_SAMPLING). + * PC sampling activities are now reported using the + * CUpti_ActivityPCSampling3 activity record. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_PC_SAMPLING. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this instruction. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the instruction. + */ + uint32_t pcOffset; + + /** + * Number of times the PC was sampled with the stallReason in the record. + * These samples indicate that no instruction was issued in that cycle from + * the warp scheduler from where the warp was sampled. + * Field is valid for devices with compute capability 6.0 and higher + */ + uint32_t latencySamples; + + /** + * Number of times the PC was sampled with the stallReason in the record. + * The same PC can be sampled with different stall reasons. The count includes + * latencySamples. + */ + uint32_t samples; + + /** + * Current stall reason. Includes one of the reasons from + * \ref CUpti_ActivityPCSamplingStallReason + */ + CUpti_ActivityPCSamplingStallReason stallReason; + + uint32_t pad; +} CUpti_ActivityPCSampling2; + +/** + * \brief The activity record for PC sampling. + * + * This activity records information obtained by sampling PC + * (CUPTI_ACTIVITY_KIND_PC_SAMPLING). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_PC_SAMPLING. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this instruction. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * Number of times the PC was sampled with the stallReason in the record. + * These samples indicate that no instruction was issued in that cycle from + * the warp scheduler from where the warp was sampled. + * Field is valid for devices with compute capability 6.0 and higher + */ + uint32_t latencySamples; + + /** + * Number of times the PC was sampled with the stallReason in the record. + * The same PC can be sampled with different stall reasons. The count includes + * latencySamples. + */ + uint32_t samples; + + /** + * Current stall reason. Includes one of the reasons from + * \ref CUpti_ActivityPCSamplingStallReason + */ + CUpti_ActivityPCSamplingStallReason stallReason; + + /** + * The pc offset for the instruction. + */ + uint64_t pcOffset; +} CUpti_ActivityPCSampling3; + +/** + * \brief The activity record for record status for PC sampling. + * + * This activity records information obtained by sampling PC + * (CUPTI_ACTIVITY_KIND_PC_SAMPLING_RECORD_INFO). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_PC_SAMPLING_RECORD_INFO. + */ + CUpti_ActivityKind kind; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Number of times the PC was sampled for this kernel instance including all + * dropped samples. + */ + uint64_t totalSamples; + + /** + * Number of samples that were dropped by hardware due to backpressure/overflow. + */ + uint64_t droppedSamples; + /** + * Sampling period in terms of number of cycles . + */ + uint64_t samplingPeriodInCycles; +} CUpti_ActivityPCSamplingRecordInfo; + +/** + * \brief The activity record for Unified Memory counters (deprecated in CUDA 7.0) + * + * This activity record represents a Unified Memory counter + * (CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER + */ + CUpti_ActivityKind kind; + + /** + * The Unified Memory counter kind. See \ref CUpti_ActivityUnifiedMemoryCounterKind + */ + CUpti_ActivityUnifiedMemoryCounterKind counterKind; + + /** + * Scope of the Unified Memory counter. See \ref CUpti_ActivityUnifiedMemoryCounterScope + */ + CUpti_ActivityUnifiedMemoryCounterScope scope; + + /** + * The ID of the device involved in the memory transfer operation. + * It is not relevant if the scope of the counter is global (all devices). + */ + uint32_t deviceId; + + /** + * Value of the counter + * + */ + uint64_t value; + + /** + * The timestamp when this sample was retrieved, in ns. A value of 0 + * indicates that timestamp information could not be collected + */ + uint64_t timestamp; + + /** + * The ID of the process to which this record belongs to. In case of + * global scope, processId is undefined. + */ + uint32_t processId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityUnifiedMemoryCounter; + +/** + * \brief The activity record for Unified Memory counters (CUDA 7.0 and beyond) + * + * This activity record represents a Unified Memory counter + * (CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_UNIFIED_MEMORY_COUNTER + */ + CUpti_ActivityKind kind; + + /** + * The Unified Memory counter kind + */ + CUpti_ActivityUnifiedMemoryCounterKind counterKind; + + /** + * Value of the counter + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD, + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_DTOH, + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THREASHING and + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_REMOTE_MAP, it is the size of the + * memory region in bytes. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT, it + * is the number of page fault groups for the same page. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT, + * it is the program counter for the instruction that caused fault. + */ + uint64_t value; + + /** + * The start timestamp of the counter, in ns. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD and + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_DTOH, timestamp is + * captured when activity starts on GPU. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT and + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT, timestamp is + * captured when CUDA driver started processing the fault. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING, timestamp + * is captured when CUDA driver detected thrashing of memory region. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THROTTLING, + * timestamp is captured when throttling opeeration was started by CUDA driver. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_REMOTE_MAP, + * timestamp is captured when CUDA driver has pushed all required operations + * to the processor specified by dstId. + */ + uint64_t start; + + /** + * The end timestamp of the counter, in ns. + * Ignore this field if counterKind is + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_REMOTE_MAP. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD and + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_DTOH, timestamp is + * captured when activity finishes on GPU. + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT, timestamp is + * captured when CUDA driver queues the replay of faulting memory accesses on the GPU + * For counterKind CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THROTTLING, timestamp + * is captured when throttling operation was finished by CUDA driver + */ + uint64_t end; + + /** + * This is the virtual base address of the page/s being transferred. For cpu and + * gpu faults, the virtual address for the page that faulted. + */ + uint64_t address; + + /** + * The ID of the source CPU/device involved in the memory transfer, page fault, thrashing, + * throttling or remote map operation. For counterKind + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING, it is a bitwise ORing of the + * device IDs fighting for the memory region. Ignore this field if counterKind is + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT + */ + uint32_t srcId; + + /** + * The ID of the destination CPU/device involved in the memory transfer or remote map + * operation. Ignore this field if counterKind is + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_CPU_PAGE_FAULT_COUNT or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THROTTLING + */ + uint32_t dstId; + + /** + * The ID of the stream causing the transfer. + * This value of this field is invalid. + */ + uint32_t streamId; + + /** + * The ID of the process to which this record belongs to. + */ + uint32_t processId; + + /** + * The flags associated with this record. See enums \ref CUpti_ActivityUnifiedMemoryAccessType + * if counterKind is CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_GPU_PAGE_FAULT + * and \ref CUpti_ActivityUnifiedMemoryMigrationCause if counterKind is + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_BYTES_TRANSFER_HTOD + * and \ref CUpti_ActivityUnifiedMemoryRemoteMapCause if counterKind is + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_REMOTE_MAP and \ref CUpti_ActivityFlag + * if counterKind is CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THRASHING or + * CUPTI_ACTIVITY_UNIFIED_MEMORY_COUNTER_KIND_THROTTLING + */ + uint32_t flags; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityUnifiedMemoryCounter2; + +/** + * \brief The activity record for global/device functions. + * + * This activity records function name and corresponding module + * information. + * (CUPTI_ACTIVITY_KIND_FUNCTION). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_FUNCTION. + */ + CUpti_ActivityKind kind; + + /** + * ID to uniquely identify the record + */ + uint32_t id; + + /** + * The ID of the context where the function is launched. + */ + uint32_t contextId; + + /** + * The module ID in which this global/device function is present. + */ + uint32_t moduleId; + + /** + * The function's unique symbol index in the module. + */ + uint32_t functionIndex; + +#ifdef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The name of the function. This name is shared across all activity + * records representing the same kernel, and so should not be + * modified. + */ + const char *name; +} CUpti_ActivityFunction; + +/** + * \brief The activity record for a CUDA module. + * + * This activity record represents a CUDA module + * (CUPTI_ACTIVITY_KIND_MODULE). This activity record kind is not + * produced by the activity API but is included for completeness and + * ease-of-use. Profile frameworks built on top of CUPTI that collect + * module data from the module callback may choose to use this type to + * store the collected module data. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_MODULE. + */ + CUpti_ActivityKind kind; + + /** + * The ID of the context where the module is loaded. + */ + uint32_t contextId; + + /** + * The module ID. + */ + uint32_t id; + + /** + * The cubin size. + */ + uint32_t cubinSize; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +#endif + + /** + * The pointer to cubin. + */ + const void *cubin; +} CUpti_ActivityModule; + +/** + * \brief The activity record for source-level shared + * access. + * + * This activity records the locations of the shared + * accesses in the source + * (CUPTI_ACTIVITY_KIND_SHARED_ACCESS). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_SHARED_ACCESS. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this shared access. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * The correlation ID of the kernel to which this result is associated. + */ + uint32_t correlationId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the access. + */ + uint32_t pcOffset; + + /** + * This increments each time when this instruction is executed by number + * of threads that executed this instruction with predicate and condition code evaluating to true. + */ + uint64_t threadsExecuted; + + /** + * The total number of shared memory transactions generated by this access + */ + uint64_t sharedTransactions; + + /** + * The minimum number of shared memory transactions possible based on the access pattern. + */ + uint64_t theoreticalSharedTransactions; + + /** + * The number of times this instruction was executed per warp. It will be incremented + * when at least one of thread among warp is active with predicate and condition code + * evaluating to true. + */ + uint32_t executed; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivitySharedAccess; + +/** + * \brief The activity record for CUDA event. + * + * This activity is used to track recorded events. + * (CUPTI_ACTIVITY_KIND_CUDA_EVENT). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_CUDA_EVENT. + */ + CUpti_ActivityKind kind; + + /** + * The correlation ID of the API to which this result is associated. + */ + uint32_t correlationId; + + /** + * The ID of the context where the event was recorded. + */ + uint32_t contextId; + + /** + * The compute stream where the event was recorded. + */ + uint32_t streamId; + + /** + * A unique event ID to identify the event record. + */ + uint32_t eventId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityCudaEvent; + +/** + * \brief The activity record for CUDA stream. + * + * This activity is used to track created streams. + * (CUPTI_ACTIVITY_KIND_STREAM). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_STREAM. + */ + CUpti_ActivityKind kind; + /** + * The ID of the context where the stream was created. + */ + uint32_t contextId; + + /** + * A unique stream ID to identify the stream. + */ + uint32_t streamId; + + /** + * The clamped priority for the stream. + */ + uint32_t priority; + + /** + * Flags associated with the stream. + */ + CUpti_ActivityStreamFlag flag; + + /** + * The correlation ID of the API to which this result is associated. + */ + uint32_t correlationId; +} CUpti_ActivityStream; + +/** + * \brief The activity record for synchronization management. + * + * This activity is used to track various CUDA synchronization APIs. + * (CUPTI_ACTIVITY_KIND_SYNCHRONIZATION). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_SYNCHRONIZATION. + */ + CUpti_ActivityKind kind; + + /** + * The type of record. + */ + CUpti_ActivitySynchronizationType type; + + /** + * The start timestamp for the function, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the function. + */ + uint64_t start; + + /** + * The end timestamp for the function, in ns. A value of 0 for both + * the start and end timestamps indicates that timestamp information + * could not be collected for the function. + */ + uint64_t end; + + /** + * The correlation ID of the API to which this result is associated. + */ + uint32_t correlationId; + + /** + * The ID of the context for which the synchronization API is called. + * In case of context synchronization API it is the context id for which the API is called. + * In case of stream/event synchronization it is the ID of the context where the stream/event was created. + */ + uint32_t contextId; + + /** + * The compute stream for which the synchronization API is called. + * A CUPTI_SYNCHRONIZATION_INVALID_VALUE value indicate the field is not applicable for this record. + * Not valid for cuCtxSynchronize, cuEventSynchronize. + */ + uint32_t streamId; + + /** + * The event ID for which the synchronization API is called. + * A CUPTI_SYNCHRONIZATION_INVALID_VALUE value indicate the field is not applicable for this record. + * Not valid for cuCtxSynchronize, cuStreamSynchronize. + */ + uint32_t cudaEventId; +} CUpti_ActivitySynchronization; + + +/** + * \brief The activity record for source-level sass/source + * line-by-line correlation. + * + * This activity records source level sass/source correlation + * information. + * (CUPTI_ACTIVITY_KIND_INSTRUCTION_CORRELATION). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_INSTRUCTION_CORRELATION. + */ + CUpti_ActivityKind kind; + + /** + * The properties of this instruction. + */ + CUpti_ActivityFlag flags; + + /** + * The ID for source locator. + */ + uint32_t sourceLocatorId; + + /** + * Correlation ID with global/device function name + */ + uint32_t functionId; + + /** + * The pc offset for the instruction. + */ + uint32_t pcOffset; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad; +} CUpti_ActivityInstructionCorrelation; + +/** + * \brief The OpenAcc event kind for OpenAcc activity records. + * + * \see CUpti_ActivityKindOpenAcc + */ +typedef enum { + CUPTI_OPENACC_EVENT_KIND_INVALID = 0, + CUPTI_OPENACC_EVENT_KIND_DEVICE_INIT = 1, + CUPTI_OPENACC_EVENT_KIND_DEVICE_SHUTDOWN = 2, + CUPTI_OPENACC_EVENT_KIND_RUNTIME_SHUTDOWN = 3, + CUPTI_OPENACC_EVENT_KIND_ENQUEUE_LAUNCH = 4, + CUPTI_OPENACC_EVENT_KIND_ENQUEUE_UPLOAD = 5, + CUPTI_OPENACC_EVENT_KIND_ENQUEUE_DOWNLOAD = 6, + CUPTI_OPENACC_EVENT_KIND_WAIT = 7, + CUPTI_OPENACC_EVENT_KIND_IMPLICIT_WAIT = 8, + CUPTI_OPENACC_EVENT_KIND_COMPUTE_CONSTRUCT = 9, + CUPTI_OPENACC_EVENT_KIND_UPDATE = 10, + CUPTI_OPENACC_EVENT_KIND_ENTER_DATA = 11, + CUPTI_OPENACC_EVENT_KIND_EXIT_DATA = 12, + CUPTI_OPENACC_EVENT_KIND_CREATE = 13, + CUPTI_OPENACC_EVENT_KIND_DELETE = 14, + CUPTI_OPENACC_EVENT_KIND_ALLOC = 15, + CUPTI_OPENACC_EVENT_KIND_FREE = 16, + CUPTI_OPENACC_EVENT_KIND_FORCE_INT = 0x7fffffff +} CUpti_OpenAccEventKind; + +/** + * \brief The OpenAcc parent construct kind for OpenAcc activity records. + */ +typedef enum { + CUPTI_OPENACC_CONSTRUCT_KIND_UNKNOWN = 0, + CUPTI_OPENACC_CONSTRUCT_KIND_PARALLEL = 1, + CUPTI_OPENACC_CONSTRUCT_KIND_KERNELS = 2, + CUPTI_OPENACC_CONSTRUCT_KIND_LOOP = 3, + CUPTI_OPENACC_CONSTRUCT_KIND_DATA = 4, + CUPTI_OPENACC_CONSTRUCT_KIND_ENTER_DATA = 5, + CUPTI_OPENACC_CONSTRUCT_KIND_EXIT_DATA = 6, + CUPTI_OPENACC_CONSTRUCT_KIND_HOST_DATA = 7, + CUPTI_OPENACC_CONSTRUCT_KIND_ATOMIC = 8, + CUPTI_OPENACC_CONSTRUCT_KIND_DECLARE = 9, + CUPTI_OPENACC_CONSTRUCT_KIND_INIT = 10, + CUPTI_OPENACC_CONSTRUCT_KIND_SHUTDOWN = 11, + CUPTI_OPENACC_CONSTRUCT_KIND_SET = 12, + CUPTI_OPENACC_CONSTRUCT_KIND_UPDATE = 13, + CUPTI_OPENACC_CONSTRUCT_KIND_ROUTINE = 14, + CUPTI_OPENACC_CONSTRUCT_KIND_WAIT = 15, + CUPTI_OPENACC_CONSTRUCT_KIND_RUNTIME_API = 16, + CUPTI_OPENACC_CONSTRUCT_KIND_FORCE_INT = 0x7fffffff + +} CUpti_OpenAccConstructKind; + +typedef enum { + CUPTI_OPENMP_EVENT_KIND_INVALID = 0, + CUPTI_OPENMP_EVENT_KIND_PARALLEL = 1, + CUPTI_OPENMP_EVENT_KIND_TASK = 2, + CUPTI_OPENMP_EVENT_KIND_THREAD = 3, + CUPTI_OPENMP_EVENT_KIND_IDLE = 4, + CUPTI_OPENMP_EVENT_KIND_WAIT_BARRIER = 5, + CUPTI_OPENMP_EVENT_KIND_WAIT_TASKWAIT = 6, + CUPTI_OPENMP_EVENT_KIND_FORCE_INT = 0x7fffffff +} CUpti_OpenMpEventKind; + +/** + * \brief The base activity record for OpenAcc records. + * + * The OpenACC activity API part uses a CUpti_ActivityOpenAcc as a generic + * representation for any OpenACC activity. The 'kind' field is used to determine the + * specific activity kind, and from that the CUpti_ActivityOpenAcc object can + * be cast to the specific OpenACC activity record type appropriate for that kind. + * + * Note that all OpenACC activity record types are padded and aligned to + * ensure that each member of the record is naturally aligned. + * + * \see CUpti_ActivityKind + */ +typedef struct PACKED_ALIGNMENT { + /** + * The kind of this activity. + */ + CUpti_ActivityKind kind; + + /** + * CUPTI OpenACC event kind (\see CUpti_OpenAccEventKind) + */ + CUpti_OpenAccEventKind eventKind; + + /** + * CUPTI OpenACC parent construct kind (\see CUpti_OpenAccConstructKind) + * + * Note that for applications using PGI OpenACC runtime < 16.1, this + * will always be CUPTI_OPENACC_CONSTRUCT_KIND_UNKNOWN. + */ + CUpti_OpenAccConstructKind parentConstruct; + + /** + * Version number + */ + uint32_t version; + + /** + * 1 for any implicit event, such as an implicit wait at a synchronous data construct + * 0 otherwise + */ + uint32_t implicit; + + /** + * Device type + */ + uint32_t deviceType; + + /** + * Device number + */ + uint32_t deviceNumber; + + /** + * ThreadId + */ + uint32_t threadId; + + /** + * Value of async() clause of the corresponding directive + */ + uint64_t async; + + /** + * Internal asynchronous queue number used + */ + uint64_t asyncMap; + + /** + * The line number of the directive or program construct or the starting line + * number of the OpenACC construct corresponding to the event. + * A zero value means the line number is not known. + */ + uint32_t lineNo; + + /** + * For an OpenACC construct, this contains the line number of the end + * of the construct. A zero value means the line number is not known. + */ + uint32_t endLineNo; + + /** + * The line number of the first line of the function named in funcName. + * A zero value means the line number is not known. + */ + uint32_t funcLineNo; + + /** + * The last line number of the function named in funcName. + * A zero value means the line number is not known. + */ + uint32_t funcEndLineNo; + + /** + * CUPTI start timestamp + */ + uint64_t start; + + /** + * CUPTI end timestamp + */ + uint64_t end; + + /** + * CUDA device id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuDeviceId; + + /** + * CUDA context id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuContextId; + + /** + * CUDA stream id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuStreamId; + + /** + * The ID of the process where the OpenACC activity is executing. + */ + uint32_t cuProcessId; + + /** + * The ID of the thread where the OpenACC activity is executing. + */ + uint32_t cuThreadId; + + /** + * The OpenACC correlation ID. + * Valid only if deviceType is acc_device_nvidia. + * If not 0, it uniquely identifies this record. It is identical to the + * externalId in the preceeding external correlation record of type + * CUPTI_EXTERNAL_CORRELATION_KIND_OPENACC. + */ + uint32_t externalId; + + /* + * A pointer to null-terminated string containing the name of or path to + * the source file, if known, or a null pointer if not. + */ + const char *srcFile; + + /* + * A pointer to a null-terminated string containing the name of the + * function in which the event occurred. + */ + const char *funcName; +} CUpti_ActivityOpenAcc; + +/** + * \brief The activity record for OpenACC data. + * + * (CUPTI_ACTIVITY_KIND_OPENACC_DATA). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_OPENACC_DATA. + */ + CUpti_ActivityKind kind; + + /** + * CUPTI OpenACC event kind (\see CUpti_OpenAccEventKind) + */ + CUpti_OpenAccEventKind eventKind; + + /* + * CUPTI OpenACC parent construct kind (\see CUpti_OpenAccConstructKind) + * + * Note that for applications using PGI OpenACC runtime < 16.1, this + * will always be CUPTI_OPENACC_CONSTRUCT_KIND_UNKNOWN. + */ + CUpti_OpenAccConstructKind parentConstruct; + + /* + * Version number + */ + uint32_t version; + + /* + * 1 for any implicit event, such as an implicit wait at a synchronous data construct + * 0 otherwise + */ + uint32_t implicit; + + /* + * Device type + */ + uint32_t deviceType; + + /* + * Device number + */ + uint32_t deviceNumber; + + /** + * ThreadId + */ + uint32_t threadId; + + /* + * Value of async() clause of the corresponding directive + */ + uint64_t async; + + /* + * Internal asynchronous queue number used + */ + uint64_t asyncMap; + + /* + * The line number of the directive or program construct or the starting line + * number of the OpenACC construct corresponding to the event. + * A negative or zero value means the line number is not known. + */ + uint32_t lineNo; + + /* + * For an OpenACC construct, this contains the line number of the end + * of the construct. A negative or zero value means the line number is not known. + */ + uint32_t endLineNo; + + /* + * The line number of the first line of the function named in func_name. + * A negative or zero value means the line number is not known. + */ + uint32_t funcLineNo; + + /* + * The last line number of the function named in func_name. + * A negative or zero value means the line number is not known. + */ + uint32_t funcEndLineNo; + + /** + * CUPTI start timestamp + */ + uint64_t start; + + /** + * CUPTI end timestamp + */ + uint64_t end; + + /** + * CUDA device id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuDeviceId; + + /** + * CUDA context id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuContextId; + + /** + * CUDA stream id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuStreamId; + + /** + * The ID of the process where the OpenACC activity is executing. + */ + uint32_t cuProcessId; + + /** + * The ID of the thread where the OpenACC activity is executing. + */ + uint32_t cuThreadId; + + /** + * The OpenACC correlation ID. + * Valid only if deviceType is acc_device_nvidia. + * If not 0, it uniquely identifies this record. It is identical to the + * externalId in the preceeding external correlation record of type + * CUPTI_EXTERNAL_CORRELATION_KIND_OPENACC. + */ + uint32_t externalId; + + /* + * A pointer to null-terminated string containing the name of or path to + * the source file, if known, or a null pointer if not. + */ + const char *srcFile; + + /* + * A pointer to a null-terminated string containing the name of the + * function in which the event occurred. + */ + const char *funcName; + + /* --- end of common CUpti_ActivityOpenAcc part --- */ + + /** + * Number of bytes + */ + uint64_t bytes; + + /** + * Host pointer if available + */ + uint64_t hostPtr; + + /** + * Device pointer if available + */ + uint64_t devicePtr; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad1; +#endif + + /* + * A pointer to null-terminated string containing the name of the variable + * for which this event is triggered, if known, or a null pointer if not. + */ + const char *varName; + +} CUpti_ActivityOpenAccData; + +/** + * \brief The activity record for OpenACC launch. + * + * (CUPTI_ACTIVITY_KIND_OPENACC_LAUNCH). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_OPENACC_LAUNCH. + */ + CUpti_ActivityKind kind; + + /** + * CUPTI OpenACC event kind (\see CUpti_OpenAccEventKind) + */ + CUpti_OpenAccEventKind eventKind; + + /** + * CUPTI OpenACC parent construct kind (\see CUpti_OpenAccConstructKind) + * + * Note that for applications using PGI OpenACC runtime < 16.1, this + * will always be CUPTI_OPENACC_CONSTRUCT_KIND_UNKNOWN. + */ + CUpti_OpenAccConstructKind parentConstruct; + + /** + * Version number + */ + uint32_t version; + + /** + * 1 for any implicit event, such as an implicit wait at a synchronous data construct + * 0 otherwise + */ + uint32_t implicit; + + /** + * Device type + */ + uint32_t deviceType; + + /** + * Device number + */ + uint32_t deviceNumber; + + /** + * ThreadId + */ + uint32_t threadId; + + /** + * Value of async() clause of the corresponding directive + */ + uint64_t async; + + /** + * Internal asynchronous queue number used + */ + uint64_t asyncMap; + + /** + * The line number of the directive or program construct or the starting line + * number of the OpenACC construct corresponding to the event. + * A negative or zero value means the line number is not known. + */ + uint32_t lineNo; + + /** + * For an OpenACC construct, this contains the line number of the end + * of the construct. A negative or zero value means the line number is not known. + */ + uint32_t endLineNo; + + /** + * The line number of the first line of the function named in func_name. + * A negative or zero value means the line number is not known. + */ + uint32_t funcLineNo; + + /** + * The last line number of the function named in func_name. + * A negative or zero value means the line number is not known. + */ + uint32_t funcEndLineNo; + + /** + * CUPTI start timestamp + */ + uint64_t start; + + /** + * CUPTI end timestamp + */ + uint64_t end; + + /** + * CUDA device id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuDeviceId; + + /** + * CUDA context id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuContextId; + + /** + * CUDA stream id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuStreamId; + + /** + * The ID of the process where the OpenACC activity is executing. + */ + uint32_t cuProcessId; + + /** + * The ID of the thread where the OpenACC activity is executing. + */ + uint32_t cuThreadId; + + /** + * The OpenACC correlation ID. + * Valid only if deviceType is acc_device_nvidia. + * If not 0, it uniquely identifies this record. It is identical to the + * externalId in the preceeding external correlation record of type + * CUPTI_EXTERNAL_CORRELATION_KIND_OPENACC. + */ + uint32_t externalId; + + /** + * A pointer to null-terminated string containing the name of or path to + * the source file, if known, or a null pointer if not. + */ + const char *srcFile; + + /** + * A pointer to a null-terminated string containing the name of the + * function in which the event occurred. + */ + const char *funcName; + + /* --- end of common CUpti_ActivityOpenAcc part --- */ + + /** + * The number of gangs created for this kernel launch + */ + uint64_t numGangs; + + /** + * The number of workers created for this kernel launch + */ + uint64_t numWorkers; + + /** + * The number of vector lanes created for this kernel launch + */ + uint64_t vectorLength; + +#ifndef CUPTILP64 + /** + * Undefined. Reserved for internal use. + */ + uint32_t pad1; +#endif + + /** + * A pointer to null-terminated string containing the name of the + * kernel being launched, if known, or a null pointer if not. + */ + const char *kernelName; + +} CUpti_ActivityOpenAccLaunch; + +/** + * \brief The activity record for OpenACC other. + * + * (CUPTI_ACTIVITY_KIND_OPENACC_OTHER). + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_OPENACC_OTHER. + */ + CUpti_ActivityKind kind; + + /** + * CUPTI OpenACC event kind (\see CUpti_OpenAccEventKind) + */ + CUpti_OpenAccEventKind eventKind; + + /** + * CUPTI OpenACC parent construct kind (\see CUpti_OpenAccConstructKind) + * + * Note that for applications using PGI OpenACC runtime < 16.1, this + * will always be CUPTI_OPENACC_CONSTRUCT_KIND_UNKNOWN. + */ + CUpti_OpenAccConstructKind parentConstruct; + + /** + * Version number + */ + uint32_t version; + + /** + * 1 for any implicit event, such as an implicit wait at a synchronous data construct + * 0 otherwise + */ + uint32_t implicit; + + /** + * Device type + */ + uint32_t deviceType; + + /** + * Device number + */ + uint32_t deviceNumber; + + /** + * ThreadId + */ + uint32_t threadId; + + /** + * Value of async() clause of the corresponding directive + */ + uint64_t async; + + /** + * Internal asynchronous queue number used + */ + uint64_t asyncMap; + + /** + * The line number of the directive or program construct or the starting line + * number of the OpenACC construct corresponding to the event. + * A negative or zero value means the line number is not known. + */ + uint32_t lineNo; + + /** + * For an OpenACC construct, this contains the line number of the end + * of the construct. A negative or zero value means the line number is not known. + */ + uint32_t endLineNo; + + /** + * The line number of the first line of the function named in func_name. + * A negative or zero value means the line number is not known. + */ + uint32_t funcLineNo; + + /** + * The last line number of the function named in func_name. + * A negative or zero value means the line number is not known. + */ + uint32_t funcEndLineNo; + + /** + * CUPTI start timestamp + */ + uint64_t start; + + /** + * CUPTI end timestamp + */ + uint64_t end; + + /** + * CUDA device id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuDeviceId; + + /** + * CUDA context id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuContextId; + + /** + * CUDA stream id + * Valid only if deviceType is acc_device_nvidia. + */ + uint32_t cuStreamId; + + /** + * The ID of the process where the OpenACC activity is executing. + */ + uint32_t cuProcessId; + + /** + * The ID of the thread where the OpenACC activity is executing. + */ + uint32_t cuThreadId; + + /** + * The OpenACC correlation ID. + * Valid only if deviceType is acc_device_nvidia. + * If not 0, it uniquely identifies this record. It is identical to the + * externalId in the preceeding external correlation record of type + * CUPTI_EXTERNAL_CORRELATION_KIND_OPENACC. + */ + uint32_t externalId; + + /** + * A pointer to null-terminated string containing the name of or path to + * the source file, if known, or a null pointer if not. + */ + const char *srcFile; + + /** + * A pointer to a null-terminated string containing the name of the + * function in which the event occurred. + */ + const char *funcName; + + /* --- end of common CUpti_ActivityOpenAcc part --- */ +} CUpti_ActivityOpenAccOther; + + +/** + * \brief The base activity record for OpenMp records. + * + * \see CUpti_ActivityKind + */ +typedef struct PACKED_ALIGNMENT { + + /** + * The kind of this activity. + */ + CUpti_ActivityKind kind; + + /** + * CUPTI OpenMP event kind (\see CUpti_OpenMpEventKind) + */ + CUpti_OpenMpEventKind eventKind; + + /** + * Version number + */ + uint32_t version; + + /** + * ThreadId + */ + uint32_t threadId; + + /** + * CUPTI start timestamp + */ + uint64_t start; + + /** + * CUPTI end timestamp + */ + uint64_t end; + + /** + * The ID of the process where the OpenMP activity is executing. + */ + uint32_t cuProcessId; + + /** + * The ID of the thread where the OpenMP activity is executing. + */ + uint32_t cuThreadId; +} CUpti_ActivityOpenMp; + +/** + * \brief The kind of external APIs supported for correlation. + * + * Custom correlation kinds are reserved for usage in external tools. + * + * \see CUpti_ActivityExternalCorrelation + */ +typedef enum { + CUPTI_EXTERNAL_CORRELATION_KIND_INVALID = 0, + + /** + * The external API is unknown to CUPTI + */ + CUPTI_EXTERNAL_CORRELATION_KIND_UNKNOWN = 1, + + /** + * The external API is OpenACC + */ + CUPTI_EXTERNAL_CORRELATION_KIND_OPENACC = 2, + + /** + * The external API is custom0 + */ + CUPTI_EXTERNAL_CORRELATION_KIND_CUSTOM0 = 3, + + /** + * The external API is custom1 + */ + CUPTI_EXTERNAL_CORRELATION_KIND_CUSTOM1 = 4, + + /** + * The external API is custom2 + */ + CUPTI_EXTERNAL_CORRELATION_KIND_CUSTOM2 = 5, + + /** + * Add new kinds before this line + */ + CUPTI_EXTERNAL_CORRELATION_KIND_SIZE, + + CUPTI_EXTERNAL_CORRELATION_KIND_FORCE_INT = 0x7fffffff +} CUpti_ExternalCorrelationKind; + +/** + * \brief The activity record for correlation with external records + * + * This activity record correlates native CUDA records (e.g. CUDA Driver API, + * kernels, memcpys, ...) with records from external APIs such as OpenACC. + * (CUPTI_ACTIVITY_KIND_EXTERNAL_CORRELATION). + * + * \see CUpti_ActivityKind + */ +typedef struct PACKED_ALIGNMENT { + /** + * The kind of this activity. + */ + CUpti_ActivityKind kind; + + /** + * The kind of external API this record correlated to. + */ + CUpti_ExternalCorrelationKind externalKind; + + /** + * The correlation ID of the associated non-CUDA API record. + * The exact field in the associated external record depends + * on that record's activity kind (\see externalKind). + */ + uint64_t externalId; + + /** + * The correlation ID of the associated CUDA driver or runtime API record. + */ + uint32_t correlationId; + + /** + * Undefined. Reserved for internal use. + */ + uint32_t reserved; +} CUpti_ActivityExternalCorrelation; + +/** +* \brief The device type for device connected to NVLink. +*/ +typedef enum { + CUPTI_DEV_TYPE_INVALID = 0, + + /** + * The device type is GPU. + */ + CUPTI_DEV_TYPE_GPU = 1, + + /** + * The device type is NVLink processing unit in CPU. + */ + CUPTI_DEV_TYPE_NPU = 2, + + CUPTI_DEV_TYPE_FORCE_INT = 0x7fffffff +} CUpti_DevType; + +/** +* \brief NVLink information. (deprecated in CUDA 9.0) +* +* This structure gives capabilities of each logical NVLink connection between two devices, +* gpu<->gpu or gpu<->CPU which can be used to understand the topology. +* NVLink information are now reported using the +* CUpti_ActivityNvLink2 activity record. +*/ + +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_NVLINK. + */ + CUpti_ActivityKind kind; + + /** + * NVLink version. + */ + uint32_t nvlinkVersion; + + /** + * Type of device 0 \ref CUpti_DevType + */ + CUpti_DevType typeDev0; + + /** + * Type of device 1 \ref CUpti_DevType + */ + CUpti_DevType typeDev1; + + /** + * If typeDev0 is CUPTI_DEV_TYPE_GPU, UUID for device 0. \ref CUpti_ActivityDevice4. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev0; + + /** + * If typeDev1 is CUPTI_DEV_TYPE_GPU, UUID for device 1. \ref CUpti_ActivityDevice4. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev1; + + /** + * Flag gives capabilities of the link \see CUpti_LinkFlag + */ + uint32_t flag; + + /** + * Number of physical NVLinks present between two devices. + */ + uint32_t physicalNvLinkCount; + + /** + * Port numbers for maximum 4 NVLinks connected to device 0. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev0[4]; + + /** + * Port numbers for maximum 4 NVLinks connected to device 1. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev1[4]; + + /** + * Banwidth of NVLink in kbytes/sec + */ + uint64_t bandwidth; +} CUpti_ActivityNvLink; + +/** +* \brief NVLink information. (deprecated in CUDA 10.0) +* +* This structure gives capabilities of each logical NVLink connection between two devices, +* gpu<->gpu or gpu<->CPU which can be used to understand the topology. +* NvLink information are now reported using the +* CUpti_ActivityNvLink4 activity record. +*/ + +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_NVLINK. + */ + CUpti_ActivityKind kind; + + /** + * NvLink version. + */ + uint32_t nvlinkVersion; + + /** + * Type of device 0 \ref CUpti_DevType + */ + CUpti_DevType typeDev0; + + /** + * Type of device 1 \ref CUpti_DevType + */ + CUpti_DevType typeDev1; + + /** + * If typeDev0 is CUPTI_DEV_TYPE_GPU, UUID for device 0. \ref CUpti_ActivityDevice4. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev0; + + /** + * If typeDev1 is CUPTI_DEV_TYPE_GPU, UUID for device 1. \ref CUpti_ActivityDevice4. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev1; + + /** + * Flag gives capabilities of the link \see CUpti_LinkFlag + */ + uint32_t flag; + + /** + * Number of physical NVLinks present between two devices. + */ + uint32_t physicalNvLinkCount; + + /** + * Port numbers for maximum 16 NVLinks connected to device 0. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev0[CUPTI_MAX_NVLINK_PORTS]; + + /** + * Port numbers for maximum 16 NVLinks connected to device 1. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev1[CUPTI_MAX_NVLINK_PORTS]; + + /** + * Banwidth of NVLink in kbytes/sec + */ + uint64_t bandwidth; +} CUpti_ActivityNvLink2; + +/** +* \brief NVLink information. +* +* This structure gives capabilities of each logical NVLink connection between two devices, +* gpu<->gpu or gpu<->CPU which can be used to understand the topology. +* NvLink information are now reported using the +* CUpti_ActivityNvLink4 activity record. +*/ + +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_NVLINK. + */ + CUpti_ActivityKind kind; + /** + * NvLink version. + */ + uint32_t nvlinkVersion; + + /** + * Type of device 0 \ref CUpti_DevType + */ + CUpti_DevType typeDev0; + + /** + * Type of device 1 \ref CUpti_DevType + */ + CUpti_DevType typeDev1; + + /** + * If typeDev0 is CUPTI_DEV_TYPE_GPU, UUID for device 0. \ref CUpti_ActivityDevice4. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev0; + + /** + * If typeDev1 is CUPTI_DEV_TYPE_GPU, UUID for device 1. \ref CUpti_ActivityDevice4. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev1; + + /** + * Flag gives capabilities of the link \see CUpti_LinkFlag + */ + uint32_t flag; + + /** + * Number of physical NVLinks present between two devices. + */ + uint32_t physicalNvLinkCount; + + /** + * Port numbers for maximum 16 NVLinks connected to device 0. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev0[CUPTI_MAX_NVLINK_PORTS]; + + /** + * Port numbers for maximum 16 NVLinks connected to device 1. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev1[CUPTI_MAX_NVLINK_PORTS]; + + /** + * Banwidth of NVLink in kbytes/sec + */ + uint64_t bandwidth; + + /** + * NVSwitch is connected as an intermediate node. + */ + uint8_t nvswitchConnected; + + /** + * Undefined. reserved for internal use + */ + uint8_t pad[7]; +} CUpti_ActivityNvLink3; + +/** +* \brief NVLink information. +* +* This structure gives capabilities of each logical NVLink connection between two devices, +* gpu<->gpu or gpu<->CPU which can be used to understand the topology. +*/ + +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_NVLINK. + */ + CUpti_ActivityKind kind; + + /** + * NvLink version. + */ + uint32_t nvlinkVersion; + + /** + * Type of device 0 \ref CUpti_DevType + */ + CUpti_DevType typeDev0; + + /** + * Type of device 1 \ref CUpti_DevType + */ + CUpti_DevType typeDev1; + + /** + * If typeDev0 is CUPTI_DEV_TYPE_GPU, UUID for device 0. \ref CUpti_ActivityDevice4. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev0; + + /** + * If typeDev1 is CUPTI_DEV_TYPE_GPU, UUID for device 1. \ref CUpti_ActivityDevice4. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, struct npu for NPU. + */ + union { + CUuuid uuidDev; + struct { + + /** + * Index of the NPU. First index will always be zero. + */ + uint32_t index; + + /** + * Domain ID of NPU. On Linux, this can be queried using lspci. + */ + uint32_t domainId; + } npu; + } idDev1; + + /** + * Flag gives capabilities of the link \see CUpti_LinkFlag + */ + uint32_t flag; + + /** + * Number of physical NVLinks present between two devices. + */ + uint32_t physicalNvLinkCount; + + /** + * Port numbers for maximum 32 NVLinks connected to device 0. + * If typeDev0 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev0[CUPTI_MAX_NVLINK_PORTS]; + + /** + * Port numbers for maximum 32 NVLinks connected to device 1. + * If typeDev1 is CUPTI_DEV_TYPE_NPU, ignore this field. + * In case of invalid/unknown port number, this field will be set + * to value CUPTI_NVLINK_INVALID_PORT. + * This will be used to correlate the metric values to individual + * physical link and attribute traffic to the logical NVLink in + * the topology. + */ + int8_t portDev1[CUPTI_MAX_NVLINK_PORTS]; + + /** + * Banwidth of NVLink in kbytes/sec + */ + uint64_t bandwidth; + + /** + * NVSwitch is connected as an intermediate node. + */ + uint8_t nvswitchConnected; + + /** + * Undefined. reserved for internal use + */ + uint8_t pad[7]; +} CUpti_ActivityNvLink4; + +#define CUPTI_MAX_GPUS 32 +/** + * Field to differentiate whether PCIE Activity record + * is of a GPU or a PCI Bridge + */ +typedef enum { + /** + * PCIE GPU record + */ + CUPTI_PCIE_DEVICE_TYPE_GPU = 0, + + /** + * PCIE Bridge record + */ + CUPTI_PCIE_DEVICE_TYPE_BRIDGE = 1, + + CUPTI_PCIE_DEVICE_TYPE_FORCE_INT = 0x7fffffff +} CUpti_PcieDeviceType; + +/** + * \brief PCI devices information required to construct topology + * + * This structure gives capabilities of GPU and PCI bridge connected to the PCIE bus + * which can be used to understand the topology. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_PCIE. + */ + CUpti_ActivityKind kind; + + /** + * Type of device in topology, \ref CUpti_PcieDeviceType. If type is + * CUPTI_PCIE_DEVICE_TYPE_GPU use devId for id and gpuAttr and if type is + * CUPTI_PCIE_DEVICE_TYPE_BRIDGE use bridgeId for id and bridgeAttr. + */ + CUpti_PcieDeviceType type; + + /** + * A unique identifier for GPU or Bridge in Topology + */ + union { + /** + * GPU device ID + */ + CUdevice devId; + + /** + * A unique identifier for Bridge in the Topology + */ + uint32_t bridgeId; + } id; + + /** + * Domain for the GPU or Bridge, required to identify which PCIE bus it belongs to in + * multiple NUMA systems. + */ + uint32_t domain; + + /** + * PCIE Generation of GPU or Bridge. + */ + uint16_t pcieGeneration; + + /** + * Link rate of the GPU or bridge in gigatransfers per second (GT/s) + */ + uint16_t linkRate; + + /** + * Link width of the GPU or bridge + */ + uint16_t linkWidth; + + /** + * Upstream bus ID for the GPU or PCI bridge. Required to identify which bus it is + * connected to in the topology. + */ + uint16_t upstreamBus; + + /** + * Attributes for more information about GPU (gpuAttr) or PCI Bridge (bridgeAttr) + */ + union { + struct { + /** + * UUID for the device. \ref CUpti_ActivityDevice4. + */ + CUuuid uuidDev; + + /** + * CUdevice with which this device has P2P capability. + * This can also be obtained by querying cuDeviceCanAccessPeer or + * cudaDeviceCanAccessPeer APIs + */ + CUdevice peerDev[CUPTI_MAX_GPUS]; + } gpuAttr; + + struct { + /** + * The downstream bus number, used to search downstream devices/bridges connected + * to this bridge. + */ + uint16_t secondaryBus; + + /** + * Device ID of the bridge + */ + uint16_t deviceId; + + /** + * Vendor ID of the bridge + */ + uint16_t vendorId; + + /** + * Padding for alignment + */ + uint16_t pad0; + } bridgeAttr; + } attr; +} CUpti_ActivityPcie; + +/** + * \brief PCIE Generation. + * + * Enumeration of PCIE Generation for + * pcie activity attribute pcieGeneration + */ +typedef enum { + /** + * PCIE Generation 1 + */ + CUPTI_PCIE_GEN_GEN1 = 1, + + /** + * PCIE Generation 2 + */ + CUPTI_PCIE_GEN_GEN2 = 2, + + /** + * PCIE Generation 3 + */ + CUPTI_PCIE_GEN_GEN3 = 3, + + /** + * PCIE Generation 4 + */ + CUPTI_PCIE_GEN_GEN4 = 4, + + /** + * PCIE Generation 5 + */ + CUPTI_PCIE_GEN_GEN5 = 5, + + CUPTI_PCIE_GEN_FORCE_INT = 0x7fffffff +} CUpti_PcieGen; + +/** + * \brief The activity record for an instantaneous CUPTI event. + * + * This activity record represents a CUPTI event value + * (CUPTI_ACTIVITY_KIND_EVENT) sampled at a particular instant. + * This activity record kind is not produced by the activity API but is + * included for completeness and ease-of-use. Profiler frameworks built on + * top of CUPTI that collect event data at a particular time may choose to + * use this type to store the collected event data. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_INSTANTANEOUS_EVENT. + */ + CUpti_ActivityKind kind; + + /** + * The event ID. + */ + CUpti_EventID id; + + /** + * The event value. + */ + uint64_t value; + + /** + * The timestamp at which event is sampled + */ + uint64_t timestamp; + + /** + * The device id + */ + uint32_t deviceId; + + /** + * Undefined. reserved for internal use + */ + uint32_t reserved; +} CUpti_ActivityInstantaneousEvent; + +/** + * \brief The activity record for an instantaneous CUPTI event + * with event domain instance information. + * + * This activity record represents the a CUPTI event value for a + * specific event domain instance + * (CUPTI_ACTIVITY_KIND_EVENT_INSTANCE) sampled at a particular instant. + * This activity record kind is not produced by the activity API but is + * included for completeness and ease-of-use. Profiler frameworks built on + * top of CUPTI that collect event data may choose to use this type to store the + * collected event data. This activity record should be used when + * event domain instance information needs to be associated with the + * event. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_INSTANTANEOUS_EVENT_INSTANCE. + */ + CUpti_ActivityKind kind; + + /** + * The event ID. + */ + CUpti_EventID id; + + /** + * The event value. + */ + uint64_t value; + + /** + * The timestamp at which event is sampled + */ + uint64_t timestamp; + + /** + * The device id + */ + uint32_t deviceId; + + /** + * The event domain instance + */ + uint8_t instance; + + /** + * Undefined. reserved for internal use + */ + uint8_t pad[3]; +} CUpti_ActivityInstantaneousEventInstance; + +/** + * \brief The activity record for an instantaneous CUPTI metric. + * + * This activity record represents the collection of a CUPTI metric + * value (CUPTI_ACTIVITY_KIND_METRIC) at a particular instance. + * This activity record kind is not produced by the activity API but + * is included for completeness and ease-of-use. Profiler frameworks built + * on top of CUPTI that collect metric data may choose to use this type to + * store the collected metric data. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_INSTANTANEOUS_METRIC. + */ + CUpti_ActivityKind kind; + + /** + * The metric ID. + */ + CUpti_MetricID id; + + /** + * The metric value. + */ + CUpti_MetricValue value; + + /** + * The timestamp at which metric is sampled + */ + uint64_t timestamp; + + /** + * The device id + */ + uint32_t deviceId; + + /** + * The properties of this metric. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * Undefined. reserved for internal use + */ + uint8_t pad[3]; +} CUpti_ActivityInstantaneousMetric; + +/** + * \brief The instantaneous activity record for a CUPTI metric with instance + * information. + + * This activity record represents a CUPTI metric value + * for a specific metric domain instance + * (CUPTI_ACTIVITY_KIND_METRIC_INSTANCE) sampled at a particular time. This + * activity record kind is not produced by the activity API but is included for + * completeness and ease-of-use. Profiler frameworks built on top of + * CUPTI that collect metric data may choose to use this type to store + * the collected metric data. This activity record should be used when + * metric domain instance information needs to be associated with the + * metric. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_INSTANTANEOUS_METRIC_INSTANCE. + */ + CUpti_ActivityKind kind; + + /** + * The metric ID. + */ + CUpti_MetricID id; + + /** + * The metric value. + */ + CUpti_MetricValue value; + + /** + * The timestamp at which metric is sampled + */ + uint64_t timestamp; + + /** + * The device id + */ + uint32_t deviceId; + + /** + * The properties of this metric. \see CUpti_ActivityFlag + */ + uint8_t flags; + + /** + * The metric domain instance + */ + uint8_t instance; + + /** + * Undefined. reserved for internal use + */ + uint8_t pad[2]; +} CUpti_ActivityInstantaneousMetricInstance; + +/** + * \brief The types of JIT entry. + * + * To be used in CUpti_ActivityJit. + */ +typedef enum { + CUPTI_ACTIVITY_JIT_ENTRY_INVALID= 0, + + /** + * PTX to CUBIN. + */ + CUPTI_ACTIVITY_JIT_ENTRY_PTX_TO_CUBIN = 1, + + /** + * NVVM-IR to PTX + */ + CUPTI_ACTIVITY_JIT_ENTRY_NVVM_IR_TO_PTX = 2, + + CUPTI_ACTIVITY_JIT_ENTRY_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityJitEntryType; + +/** + * \brief The types of JIT compilation operations. + * + * To be used in CUpti_ActivityJit. + */ + +typedef enum { + CUPTI_ACTIVITY_JIT_OPERATION_INVALID = 0, + /** + * Loaded from the compute cache. + */ + CUPTI_ACTIVITY_JIT_OPERATION_CACHE_LOAD = 1, + + /** + * Stored in the compute cache. + */ + CUPTI_ACTIVITY_JIT_OPERATION_CACHE_STORE = 2, + + /** + * JIT compilation. + */ + CUPTI_ACTIVITY_JIT_OPERATION_COMPILE = 3, + + CUPTI_ACTIVITY_JIT_OPERATION_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityJitOperationType; + +/** + * \brief The activity record for JIT operations. + * This activity represents the JIT operations (compile, load, store) of a CUmodule + * from the Compute Cache. + * Gives the exact hashed path of where the cached module is loaded from, + * or where the module will be stored after Just-In-Time (JIT) compilation. + */ +typedef struct PACKED_ALIGNMENT { + /** + * The activity record kind must be CUPTI_ACTIVITY_KIND_JIT. + */ + CUpti_ActivityKind kind; + + /** + * The JIT entry type. + */ + CUpti_ActivityJitEntryType jitEntryType; + + /** + * The JIT operation type. + */ + CUpti_ActivityJitOperationType jitOperationType; + + /** + * The device ID. + */ + uint32_t deviceId; + + /** + * The start timestamp for the JIT operation, in ns. A value of 0 for + * both the start and end timestamps indicates that timestamp + * information could not be collected for the JIT operation. + */ + uint64_t start; + + /** + * The end timestamp for the JIT operation, in ns. A value of 0 for both + * the start and end timestamps indicates that timestamp information + * could not be collected for the JIT operation. + */ + uint64_t end; + + /** + * The correlation ID of the JIT operation to which + * records belong to. Each JIT operation is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver or runtime API activity record that + * launched the JIT operation. + */ + uint32_t correlationId; + + /** + * Internal use. + */ + uint32_t padding; + + /** + * The correlation ID to correlate JIT compilation, load and store operations. + * Each JIT compilation unit is assigned a unique correlation ID + * at the time of the JIT compilation. This correlation id can be used + * to find the matching JIT cache load/store records. + */ + uint64_t jitOperationCorrelationId; + + /** + * The size of compute cache. + */ + uint64_t cacheSize; + + /** + * The path where the fat binary is cached. + */ + const char* cachePath; +} CUpti_ActivityJit; + + +/** + * \brief The activity record for trace of graph execution. + * + * This activity record represents execution for a graph without giving visibility + * about the execution of its nodes. This is intended to reduce overheads in tracing + * each node. The activity kind is CUPTI_ACTIVITY_KIND_GRAPH_TRACE + */ +typedef struct { + /** + * The activity record kind, must be CUPTI_ACTIVITY_KIND_GRAPH_TRACE + */ + CUpti_ActivityKind kind; + + /** + * The correlation ID of the graph launch. Each graph launch is + * assigned a unique correlation ID that is identical to the + * correlation ID in the driver API activity record that launched + * the graph. + */ + uint32_t correlationId; + + /** + * The start timestamp for the graph execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the graph. + */ + uint64_t start; + + /** + * The end timestamp for the graph execution, in ns. A value of 0 + * for both the start and end timestamps indicates that timestamp + * information could not be collected for the graph. + */ + uint64_t end; + + /** + * The ID of the device where the graph execution is occurring. + */ + uint32_t deviceId; + + /** + * The unique ID of the graph that is launched. + */ + uint32_t graphId; + + /** + * The ID of the context where the graph is being launched. + */ + uint32_t contextId; + + /** + * The ID of the stream where the graph is being launched. + */ + uint32_t streamId; + + /** + * This field is reserved for internal use + */ + void *reserved; +} CUpti_ActivityGraphTrace; + +END_PACKED_ALIGNMENT + +/** + * \brief Activity attributes. + * + * These attributes are used to control the behavior of the activity + * API. + */ +typedef enum { + /** + * The device memory size (in bytes) reserved for storing profiling data for concurrent + * kernels (activity kind \ref CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL), memcopies and memsets + * for each buffer on a context. The value is a size_t. + * + * There is a limit on how many device buffers can be allocated per context. User + * can query and set this limit using the attribute + * \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_POOL_LIMIT. + * CUPTI doesn't pre-allocate all the buffers, it pre-allocates only those many + * buffers as set by the attribute \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_PRE_ALLOCATE_VALUE. + * When all of the data in a buffer is consumed, it is added in the reuse pool, and + * CUPTI picks a buffer from this pool when a new buffer is needed. Thus memory + * footprint does not scale with the kernel count. Applications with the high density + * of kernels, memcopies and memsets might result in having CUPTI to allocate more device buffers. + * CUPTI allocates another buffer only when it runs out of the buffers in the + * reuse pool. + * + * Since buffer allocation happens in the main application thread, this might result + * in stalls in the critical path. CUPTI pre-allocates 3 buffers of the same size to + * mitigate this issue. User can query and set the pre-allocation limit using the + * attribute \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_PRE_ALLOCATE_VALUE. + * + * Having larger buffer size leaves less device memory for the application. + * Having smaller buffer size increases the risk of dropping timestamps for + * records if too many kernels or memcopies or memsets are launched at one time. + * + * This value only applies to new buffer allocations. Set this value before initializing + * CUDA or before creating a context to ensure it is considered for the following allocations. + * + * The default value is 3200000 (~3MB) which can accommodate profiling data + * up to 100,000 kernels, memcopies and memsets combined. + * + * Note: Starting with the CUDA 12.0 Update 1 release, CUPTI allocates profiling buffer in the + * device memory by default as this might help in improving the performance of the + * tracing run. Refer to the description of the attribute + * \ref CUPTI_ACTIVITY_ATTR_MEM_ALLOCATION_TYPE_HOST_PINNED for more details. + * Size of the memory and maximum number of pools are still controlled by the attributes + * \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_SIZE and \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_POOL_LIMIT. + * + * Note: The actual amount of device memory per buffer reserved by CUPTI might be larger. + */ + CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_SIZE = 0, + + /** + * The device memory size (in bytes) reserved for storing profiling + * data for CDP operations for each buffer on a context. The + * value is a size_t. + * + * Having larger buffer size means less flush operations but + * consumes more device memory. This value only applies to new + * allocations. + * + * Set this value before initializing CUDA or before creating a + * context to ensure it is considered for the following allocations. + * + * The default value is 8388608 (8MB). + * + * Note: The actual amount of device memory per context reserved by + * CUPTI might be larger. + */ + CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_SIZE_CDP = 1, + + /** + * The maximum number of device memory buffers per context. The value is a size_t. + * + * For an application with high rate of kernel launches, memcopies and memsets having a bigger pool + * limit helps in timestamp collection for all these activties at the expense of a larger memory footprint. + * Refer to the description of the attribute \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_SIZE + * for more details. + * + * Setting this value will not modify the number of memory buffers + * currently stored. + * + * Set this value before initializing CUDA to ensure the limit is + * not exceeded. + * + * The default value is 250. + */ + CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_POOL_LIMIT = 2, + + /** + * The profiling semaphore pool size reserved for storing profiling data for + * serialized kernels tracing (activity kind \ref CUPTI_ACTIVITY_KIND_KERNEL) + * for each context. The value is a size_t. + * + * There is a limit on how many semaphore pools can be allocated per context. User + * can query and set this limit using the attribute + * \ref CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_POOL_LIMIT. + * CUPTI doesn't pre-allocate all the semaphore pools, it pre-allocates only those many + * semaphore pools as set by the attribute \ref CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_PRE_ALLOCATE_VALUE. + * When all of the data in a semaphore pool is consumed, it is added in the reuse pool, and + * CUPTI picks a semaphore pool from the reuse pool when a new semaphore pool is needed. Thus memory + * footprint does not scale with the kernel count. Applications with the high density + * of kernels might result in having CUPTI to allocate more semaphore pools. + * CUPTI allocates another semaphore pool only when it runs out of the semaphore pools in the + * reuse pool. + * + * Since semaphore pool allocation happens in the main application thread, this might result + * in stalls in the critical path. CUPTI pre-allocates 3 semaphore pools of the same size to + * mitigate this issue. User can query and set the pre-allocation limit using the + * attribute \ref CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_PRE_ALLOCATE_VALUE. + * + * Having larger semaphore pool size leaves less device memory for the application. + * Having smaller semaphore pool size increases the risk of dropping timestamps for + * kernel records if too many kernels are issued/launched at one time. + * + * This value only applies to new semaphore pool allocations. Set this value before initializing + * CUDA or before creating a context to ensure it is considered for the following allocations. + * + * The default value is 25000 which can accommodate profiling data for upto 25,000 kernels. + * + */ + CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_POOL_SIZE = 3, + + /** + * The maximum number of profiling semaphore pools per context. The value is a size_t. + * + * For an application with high rate of kernel launches, having a bigger + * pool limit helps in timestamp collection for all the kernels, at the + * expense of a larger device memory footprint. + * Refer to the description of the attribute \ref CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_POOL_SIZE + * for more details. + * + * Set this value before initializing CUDA to ensure the limit is not exceeded. + * + * The default value is 250. + */ + CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_POOL_LIMIT = 4, + + /** + * The flag to indicate whether user should provide activity buffer of zero value. + * The value is a uint8_t. + * + * If the value of this attribute is non-zero, user should provide + * a zero value buffer in the \ref CUpti_BuffersCallbackRequestFunc. + * If the user does not provide a zero value buffer after setting this to non-zero, + * the activity buffer may contain some uninitialized values when CUPTI returns it in + * \ref CUpti_BuffersCallbackCompleteFunc + * + * If the value of this attribute is zero, CUPTI will initialize the user buffer + * received in the \ref CUpti_BuffersCallbackRequestFunc to zero before filling it. + * If the user sets this to zero, a few stalls may appear in critical path because CUPTI + * will zero out the buffer in the main thread. + * Set this value before returning from \ref CUpti_BuffersCallbackRequestFunc to + * ensure it is considered for all the subsequent user buffers. + * + * The default value is 0. + */ + CUPTI_ACTIVITY_ATTR_ZEROED_OUT_ACTIVITY_BUFFER = 5, + + /** + * Number of device buffers to pre-allocate for a context during the initialization phase. + * The value is a size_t. + * + * Refer to the description of the attribute \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_SIZE + * for details. + * + * This value must be less than the maximum number of device buffers set using + * the attribute \ref CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_POOL_LIMIT + * + * Set this value before initializing CUDA or before creating a context to ensure it + * is considered by the CUPTI. + * + * The default value is set to 3 to ping pong between these buffers (if possible). + */ + CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_PRE_ALLOCATE_VALUE = 6, + + /** + * Number of profiling semaphore pools to pre-allocate for a context during the + * initialization phase. The value is a size_t. + * + * Refer to the description of the attribute \ref CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_POOL_SIZE + * for details. + * + * This value must be less than the maximum number of profiling semaphore pools set + * using the attribute \ref CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_POOL_LIMIT + * + * Set this value before initializing CUDA or before creating a context to ensure it + * is considered by the CUPTI. + * + * The default value is set to 3 to ping pong between these pools (if possible). + */ + CUPTI_ACTIVITY_ATTR_PROFILING_SEMAPHORE_PRE_ALLOCATE_VALUE = 7, + + /** + * Allocate page-locked (pinned) host memory for storing profiling data for concurrent + * kernels, memcopies and memsets for each buffer on a context. The value is a uint8_t. + * + * Starting with the CUDA 11.2 release, CUPTI allocates profiling buffer in the pinned host + * memory by default as this might help in improving the performance of the tracing run. + * Allocating excessive amounts of pinned memory may degrade system performance, since it + * reduces the amount of memory available to the system for paging. For this reason user + * might want to change the location from pinned host memory to device memory by setting + * value of this attribute to 0. + * + * The default value is 1. + */ + CUPTI_ACTIVITY_ATTR_MEM_ALLOCATION_TYPE_HOST_PINNED = 8, + + CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_FORCE_INT = 0x7fffffff +} CUpti_ActivityAttribute; + +/** + * \brief Thread-Id types. + * + * CUPTI uses different methods to obtain the thread-id depending on the + * support and the underlying platform. This enum documents these methods + * for each type. APIs \ref cuptiSetThreadIdType and \ref cuptiGetThreadIdType + * can be used to set and get the thread-id type. + */ +typedef enum { + /** + * Default type + * Windows uses API GetCurrentThreadId() + * Linux/Mac/Android/QNX use POSIX pthread API pthread_self() + */ + CUPTI_ACTIVITY_THREAD_ID_TYPE_DEFAULT = 0, + + /** + * This type is based on the system API available on the underlying platform + * and thread-id obtained is supposed to be unique for the process lifetime. + * Windows uses API GetCurrentThreadId() + * Linux uses syscall SYS_gettid + * Mac uses syscall SYS_thread_selfid + * Android/QNX use gettid() + */ + CUPTI_ACTIVITY_THREAD_ID_TYPE_SYSTEM = 1, + + CUPTI_ACTIVITY_THREAD_ID_TYPE_FORCE_INT = 0x7fffffff +} CUpti_ActivityThreadIdType; + +/** + * \brief Get the CUPTI timestamp. + * + * Returns a timestamp normalized to correspond with the start and end + * timestamps reported in the CUPTI activity records. The timestamp is + * reported in nanoseconds. + * + * \param timestamp Returns the CUPTI timestamp + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p timestamp is NULL + */ +CUptiResult CUPTIAPI cuptiGetTimestamp(uint64_t *timestamp); + +/** + * \brief Get the ID of a context. + * + * Get the ID of a context. + * + * \param context The context + * \param contextId Returns a process-unique ID for the context + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_CONTEXT The context is NULL or not valid. + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p contextId is NULL + */ +CUptiResult CUPTIAPI cuptiGetContextId(CUcontext context, uint32_t *contextId); + +/** + * \brief Get the ID of a stream. + * + * Get the ID of a stream. The stream ID is unique within a context + * (i.e. all streams within a context will have unique stream + * IDs). + * + * \param context If non-NULL then the stream is checked to ensure + * that it belongs to this context. Typically this parameter should be + * null. + * \param stream The stream + * \param streamId Returns a context-unique ID for the stream + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_STREAM if unable to get stream ID, or + * if \p context is non-NULL and \p stream does not belong to the + * context + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p streamId is NULL + * + * **DEPRECATED** This method is deprecated as of CUDA 8.0. + * Use method cuptiGetStreamIdEx instead. + */ +CUptiResult CUPTIAPI cuptiGetStreamId(CUcontext context, CUstream stream, uint32_t *streamId); + +/** +* \brief Get the ID of a stream. +* +* Get the ID of a stream. The stream ID is unique within a context +* (i.e. all streams within a context will have unique stream +* IDs). +* +* \param context If non-NULL then the stream is checked to ensure +* that it belongs to this context. Typically this parameter should be +* null. +* \param stream The stream +* \param perThreadStream Flag to indicate if program is compiled for per-thread streams +* \param streamId Returns a context-unique ID for the stream +* +* \retval CUPTI_SUCCESS +* \retval CUPTI_ERROR_NOT_INITIALIZED +* \retval CUPTI_ERROR_INVALID_STREAM if unable to get stream ID, or +* if \p context is non-NULL and \p stream does not belong to the +* context +* \retval CUPTI_ERROR_INVALID_PARAMETER if \p streamId is NULL +*/ +CUptiResult CUPTIAPI cuptiGetStreamIdEx(CUcontext context, CUstream stream, uint8_t perThreadStream, uint32_t *streamId); + +/** + * \brief Get the ID of a device + * + * If \p context is NULL, returns the ID of the device that contains + * the currently active context. If \p context is non-NULL, returns + * the ID of the device which contains that context. Operates in a + * similar manner to cudaGetDevice() or cuCtxGetDevice() but may be + * called from within callback functions. + * + * \param context The context, or NULL to indicate the current context. + * \param deviceId Returns the ID of the device that is current for + * the calling thread. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_DEVICE if unable to get device ID + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p deviceId is NULL + */ +CUptiResult CUPTIAPI cuptiGetDeviceId(CUcontext context, uint32_t *deviceId); + +/** + * \brief Get the unique ID of a graph node + * + * Returns the unique ID of the CUDA graph node. + * + * \param node The graph node. + * \param nodeId Returns the unique ID of the node + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p node is NULL + */ +CUptiResult CUPTIAPI cuptiGetGraphNodeId(CUgraphNode node, uint64_t *nodeId); + +/** + * \brief Get the unique ID of graph + * + * Returns the unique ID of CUDA graph. + * + * \param graph The graph. + * \param pId Returns the unique ID of the graph + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p graph is NULL + */ +CUptiResult CUPTIAPI cuptiGetGraphId(CUgraph graph, uint32_t *pId); + +/** + * \brief Enable collection of a specific kind of activity record. + * + * Enable collection of a specific kind of activity record. Multiple + * kinds can be enabled by calling this function multiple times. By + * default all activity kinds are disabled for collection. + * + * \param kind The kind of activity record to collect + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_NOT_COMPATIBLE if the activity kind cannot be enabled + * \retval CUPTI_ERROR_INVALID_KIND if the activity kind is not supported + */ +CUptiResult CUPTIAPI cuptiActivityEnable(CUpti_ActivityKind kind); + +/** + * \brief Enable collection of a specific kind of activity record. For certain activity kinds + * it dumps existing records. + * + * In general, the behavior of this API is similar to the API \ref cuptiActivityEnable i.e. it + * enables the collection of a specific kind of activity record. + * Additionally, this API can help in dumping the records for activities which happened in + * the past before enabling the corresponding activity kind. + * The API allows to get records for the current resource allocations done in CUDA + * For CUPTI_ACTIVITY_KIND_DEVICE, existing device records are dumped + * For CUPTI_ACTIVITY_KIND_CONTEXT, existing context records are dumped + * For CUPTI_ACTIVITY_KIND_STREAM, existing stream records are dumped + * For CUPTI_ACTIVITY_KIND_ NVLINK, existing NVLINK records are dumped + * For CUPTI_ACTIVITY_KIND_PCIE, existing PCIE records are dumped + * For other activities, the behavior is similar to the API \ref cuptiActivityEnable + * + * Device records are emitted in CUPTI on CUDA driver initialization. Those records + * can only be retrieved by the user if CUPTI is attached before CUDA initialization. + * Context and stream records are emitted on context and stream creation. + * The use case of the API is to provide the records for CUDA resources + * (contexs/streams/devices) that are currently active if user late attaches CUPTI. + * + * Before calling this function, the user must register buffer callbacks + * to get the activity records by calling \ref cuptiActivityRegisterCallbacks. + * If the user does not register the buffers and calls API \ref cuptiActivityEnableAndDump, + * then CUPTI will enable the activity kind but not provide any records for that + * activity kind. + * + * \param kind The kind of activity record to collect + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_UNKNOWN if buffer is not initialized. + * \retval CUPTI_ERROR_NOT_COMPATIBLE if the activity kind cannot be enabled + * \retval CUPTI_ERROR_INVALID_KIND if the activity kind is not supported + */ +CUptiResult CUPTIAPI cuptiActivityEnableAndDump(CUpti_ActivityKind kind); + +/** + * \brief Disable collection of a specific kind of activity record. + * + * Disable collection of a specific kind of activity record. Multiple + * kinds can be disabled by calling this function multiple times. By + * default all activity kinds are disabled for collection. + * + * \param kind The kind of activity record to stop collecting + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_KIND if the activity kind is not supported + */ +CUptiResult CUPTIAPI cuptiActivityDisable(CUpti_ActivityKind kind); + +/** + * \brief Enable collection of a specific kind of activity record for + * a context. + * + * Enable collection of a specific kind of activity record for a + * context. This setting done by this API will supersede the global + * settings for activity records enabled by \ref cuptiActivityEnable. + * Multiple kinds can be enabled by calling this function multiple + * times. + * + * \param context The context for which activity is to be enabled + * \param kind The kind of activity record to collect + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_NOT_COMPATIBLE if the activity kind cannot be enabled + * \retval CUPTI_ERROR_INVALID_KIND if the activity kind is not supported + */ +CUptiResult CUPTIAPI cuptiActivityEnableContext(CUcontext context, CUpti_ActivityKind kind); + +/** + * \brief Disable collection of a specific kind of activity record for + * a context. + * + * Disable collection of a specific kind of activity record for a context. + * This setting done by this API will supersede the global settings + * for activity records. + * Multiple kinds can be enabled by calling this function multiple times. + * + * \param context The context for which activity is to be disabled + * \param kind The kind of activity record to stop collecting + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_KIND if the activity kind is not supported + */ +CUptiResult CUPTIAPI cuptiActivityDisableContext(CUcontext context, CUpti_ActivityKind kind); + +/** + * \brief Get the number of activity records that were dropped of + * insufficient buffer space. + * + * Get the number of records that were dropped because of insufficient + * buffer space. The dropped count includes records that could not be + * recorded because CUPTI did not have activity buffer space available + * for the record (because the CUpti_BuffersCallbackRequestFunc + * callback did not return an empty buffer of sufficient size) and + * also CDP records that could not be record because the device-size + * buffer was full (size is controlled by the + * CUPTI_ACTIVITY_ATTR_DEVICE_BUFFER_SIZE_CDP attribute). The dropped + * count maintained for the queue is reset to zero when this function + * is called. + * + * \param context The context, or NULL to get dropped count from global queue + * \param streamId The stream ID + * \param dropped The number of records that were dropped since the last call + * to this function. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p dropped is NULL + */ +CUptiResult CUPTIAPI cuptiActivityGetNumDroppedRecords(CUcontext context, uint32_t streamId, + size_t *dropped); + +/** + * \brief Iterate over the activity records in a buffer. + * + * This is a helper function to iterate over the activity records in a + * buffer. A buffer of activity records is typically obtained by + * receiving a CUpti_BuffersCallbackCompleteFunc callback. + * + * An example of typical usage: + * \code + * CUpti_Activity *record = NULL; + * CUptiResult status = CUPTI_SUCCESS; + * do { + * status = cuptiActivityGetNextRecord(buffer, validSize, &record); + * if(status == CUPTI_SUCCESS) { + * // Use record here... + * } + * else if (status == CUPTI_ERROR_MAX_LIMIT_REACHED) + * break; + * else { + * goto Error; + * } + * } while (1); + * \endcode + * + * \param buffer The buffer containing activity records + * \param record Inputs the previous record returned by + * cuptiActivityGetNextRecord and returns the next activity record + * from the buffer. If input value is NULL, returns the first activity + * record in the buffer. Records of kind CUPTI_ACTIVITY_KIND_CONCURRENT_KERNEL + * may contain invalid (0) timestamps, indicating that no timing information could + * be collected for lack of device memory. + * \param validBufferSizeBytes The number of valid bytes in the buffer. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_MAX_LIMIT_REACHED if no more records in the buffer + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p buffer is NULL. + */ +CUptiResult CUPTIAPI cuptiActivityGetNextRecord(uint8_t* buffer, size_t validBufferSizeBytes, + CUpti_Activity **record); + +/** + * \brief Function type for callback used by CUPTI to request an empty + * buffer for storing activity records. + * + * This callback function signals the CUPTI client that an activity + * buffer is needed by CUPTI. The activity buffer is used by CUPTI to + * store activity records. The callback function can decline the + * request by setting \p *buffer to NULL. In this case CUPTI may drop + * activity records. + * + * \param buffer Returns the new buffer. If set to NULL then no buffer + * is returned. + * \param size Returns the size of the returned buffer. + * \param maxNumRecords Returns the maximum number of records that + * should be placed in the buffer. If 0 then the buffer is filled with + * as many records as possible. If > 0 the buffer is filled with at + * most that many records before it is returned. + */ +typedef void (CUPTIAPI *CUpti_BuffersCallbackRequestFunc)( + uint8_t **buffer, + size_t *size, + size_t *maxNumRecords); + +/** + * \brief Function type for callback used by CUPTI to return a buffer + * of activity records. + * + * This callback function returns to the CUPTI client a buffer + * containing activity records. The buffer contains \p validSize + * bytes of activity records which should be read using + * cuptiActivityGetNextRecord. The number of dropped records can be + * read using cuptiActivityGetNumDroppedRecords. After this call CUPTI + * relinquished ownership of the buffer and will not use it + * anymore. The client may return the buffer to CUPTI using the + * CUpti_BuffersCallbackRequestFunc callback. + * Note: CUDA 6.0 onwards, all buffers returned by this callback are + * global buffers i.e. there is no context/stream specific buffer. + * User needs to parse the global buffer to extract the context/stream + * specific activity records. + * + * \param context The context this buffer is associated with. If NULL, the + * buffer is associated with the global activities. This field is deprecated + * as of CUDA 6.0 and will always be NULL. + * \param streamId The stream id this buffer is associated with. + * This field is deprecated as of CUDA 6.0 and will always be NULL. + * \param buffer The activity record buffer. + * \param size The total size of the buffer in bytes as set in + * CUpti_BuffersCallbackRequestFunc. + * \param validSize The number of valid bytes in the buffer. + */ +typedef void (CUPTIAPI *CUpti_BuffersCallbackCompleteFunc)( + CUcontext context, + uint32_t streamId, + uint8_t *buffer, + size_t size, + size_t validSize); + +/** + * \brief Registers callback functions with CUPTI for activity buffer + * handling. + * + * This function registers two callback functions to be used in asynchronous + * buffer handling. If registered, activity record buffers are handled using + * asynchronous requested/completed callbacks from CUPTI. + * + * Registering these callbacks prevents the client from using CUPTI's + * blocking enqueue/dequeue functions. + * + * \param funcBufferRequested callback which is invoked when an empty + * buffer is requested by CUPTI + * \param funcBufferCompleted callback which is invoked when a buffer + * containing activity records is available from CUPTI + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER if either \p + * funcBufferRequested or \p funcBufferCompleted is NULL + */ +CUptiResult CUPTIAPI cuptiActivityRegisterCallbacks(CUpti_BuffersCallbackRequestFunc funcBufferRequested, + CUpti_BuffersCallbackCompleteFunc funcBufferCompleted); + +/** + * \brief Wait for all activity records to be delivered via the + * completion callback. + * + * This function does not return until all activity records associated + * with the specified context/stream are returned to the CUPTI client + * using the callback registered in cuptiActivityRegisterCallbacks. To + * ensure that all activity records are complete, the requested + * stream(s), if any, are synchronized. + * + * If \p context is NULL, the global activity records (i.e. those not + * associated with a particular stream) are flushed (in this case no + * streams are synchonized). If \p context is a valid CUcontext and + * \p streamId is 0, the buffers of all streams of this context are + * flushed. Otherwise, the buffers of the specified stream in this + * context is flushed. + * + * Before calling this function, the buffer handling callback api + * must be activated by calling cuptiActivityRegisterCallbacks. + * + * \param context A valid CUcontext or NULL. + * \param streamId The stream ID. + * \param flag The flag can be set to indicate a forced flush. See CUpti_ActivityFlag + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_CUPTI_ERROR_INVALID_OPERATION if not preceeded + * by a successful call to cuptiActivityRegisterCallbacks + * \retval CUPTI_ERROR_UNKNOWN an internal error occurred + * + * **DEPRECATED** This method is deprecated + * CONTEXT and STREAMID will be ignored. Use cuptiActivityFlushAll + * to flush all data. + */ +CUptiResult CUPTIAPI cuptiActivityFlush(CUcontext context, uint32_t streamId, uint32_t flag); + +/** + * \brief Request to deliver activity records via the buffer completion callback. + * + * This function returns the activity records associated with all contexts/streams + * (and the global buffers not associated with any stream) to the CUPTI client + * using the callback registered in cuptiActivityRegisterCallbacks. + * + * This is a blocking call but it doesn't issue any CUDA synchronization calls + * implicitly thus it's not guaranteed that all activities are completed on the + * underlying devices. Activity record is considered as completed if it has all + * the information filled up including the timestamps if any. It is the client's + * responsibility to issue necessary CUDA synchronization calls before calling + * this function if all activity records with complete information are expected + * to be delivered. + * + * Behavior of the function based on the input flag: + * - ::For default flush i.e. when flag is set as 0, it returns all the + * activity buffers which have all the activity records completed, buffers need not + * to be full though. It doesn't return buffers which have one or more incomplete + * records. Default flush can be done at a regular interval in a separate thread. + * - ::For forced flush i.e. when flag CUPTI_ACTIVITY_FLAG_FLUSH_FORCED is passed + * to the function, it returns all the activity buffers including the ones which have + * one or more incomplete activity records. It's suggested for clients to do the + * force flush before the termination of the profiling session to allow remaining + * buffers to be delivered. In general, it can be done in the at-exit handler. + * + * Before calling this function, the buffer handling callback api must be activated + * by calling cuptiActivityRegisterCallbacks. + * + * \param flag The flag can be set to indicate a forced flush. See CUpti_ActivityFlag + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_OPERATION if not preceeded by a + * successful call to cuptiActivityRegisterCallbacks + * \retval CUPTI_ERROR_UNKNOWN an internal error occurred + * + * \see cuptiActivityFlushPeriod + */ +CUptiResult CUPTIAPI cuptiActivityFlushAll(uint32_t flag); + +/** + * \brief Read an activity API attribute. + * + * Read an activity API attribute and return it in \p *value. + * + * \param attr The attribute to read + * \param valueSize Size of buffer pointed by the value, and + * returns the number of bytes written to \p value + * \param value Returns the value of the attribute + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p valueSize or \p value is NULL, or + * if \p attr is not an activity attribute + * \retval CUPTI_ERROR_PARAMETER_SIZE_NOT_SUFFICIENT Indicates that + * the \p value buffer is too small to hold the attribute value. + */ +CUptiResult CUPTIAPI cuptiActivityGetAttribute(CUpti_ActivityAttribute attr, + size_t *valueSize, void* value); + +/** + * \brief Write an activity API attribute. + * + * Write an activity API attribute. + * + * \param attr The attribute to write + * \param valueSize The size, in bytes, of the value + * \param value The attribute value to write + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p valueSize or \p value is NULL, or + * if \p attr is not an activity attribute + * \retval CUPTI_ERROR_PARAMETER_SIZE_NOT_SUFFICIENT Indicates that + * the \p value buffer is too small to hold the attribute value. + */ +CUptiResult CUPTIAPI cuptiActivitySetAttribute(CUpti_ActivityAttribute attr, + size_t *valueSize, void* value); + + +/** + * \brief Set Unified Memory Counter configuration. + * + * \param config A pointer to \ref CUpti_ActivityUnifiedMemoryCounterConfig structures + * containing Unified Memory counter configuration. + * \param count Number of Unified Memory counter configuration structures + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p config is NULL or + * any parameter in the \p config structures is not a valid value + * \retval CUPTI_ERROR_UM_PROFILING_NOT_SUPPORTED One potential reason is that + * platform (OS/arch) does not support the unified memory counters + * \retval CUPTI_ERROR_UM_PROFILING_NOT_SUPPORTED_ON_DEVICE Indicates that the device + * does not support the unified memory counters + * \retval CUPTI_ERROR_UM_PROFILING_NOT_SUPPORTED_ON_NON_P2P_DEVICES Indicates that + * multi-GPU configuration without P2P support between any pair of devices + * does not support the unified memory counters + */ +CUptiResult CUPTIAPI cuptiActivityConfigureUnifiedMemoryCounter(CUpti_ActivityUnifiedMemoryCounterConfig *config, uint32_t count); + +/** + * \brief Get auto boost state + * + * The profiling results can be inconsistent in case auto boost is enabled. + * CUPTI tries to disable auto boost while profiling. It can fail to disable in + * cases where user does not have the permissions or CUDA_AUTO_BOOST env + * variable is set. The function can be used to query whether auto boost is + * enabled. + * + * \param context A valid CUcontext. + * \param state A pointer to \ref CUpti_ActivityAutoBoostState structure which + * contains the current state and the id of the process that has requested the + * current state + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p CUcontext or \p state is NULL + * \retval CUPTI_ERROR_NOT_SUPPORTED Indicates that the device does not support auto boost + * \retval CUPTI_ERROR_UNKNOWN an internal error occurred + */ +CUptiResult CUPTIAPI cuptiGetAutoBoostState(CUcontext context, CUpti_ActivityAutoBoostState *state); + +/** + * \brief Set PC sampling configuration. + * + * For Pascal and older GPU architectures this API must be called before enabling + * activity kind CUPTI_ACTIVITY_KIND_PC_SAMPLING. There is no such requirement + * for Volta and newer GPU architectures. + * + * For Volta and newer GPU architectures if this API is called in the middle of + * execution, PC sampling configuration will be updated for subsequent kernel launches. + * + * \param ctx The context + * \param config A pointer to \ref CUpti_ActivityPCSamplingConfig structure + * containing PC sampling configuration. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_OPERATION if this api is called while + * some valid event collection method is set. + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p config is NULL or + * any parameter in the \p config structures is not a valid value + * \retval CUPTI_ERROR_NOT_SUPPORTED Indicates that the system/device + * does not support the unified memory counters + */ +CUptiResult CUPTIAPI cuptiActivityConfigurePCSampling(CUcontext ctx, CUpti_ActivityPCSamplingConfig *config); + +/** + * \brief Returns the last error from a cupti call or callback + * + * Returns the last error that has been produced by any of the cupti api calls + * or the callback in the same host thread and resets it to CUPTI_SUCCESS. + */ +CUptiResult CUPTIAPI cuptiGetLastError(void); + +/** + * \brief Set the thread-id type + * + * CUPTI uses the method corresponding to set type to generate the thread-id. + * See enum \ref CUpti_ActivityThreadIdType for the list of methods. + * Activity records having thread-id field contain the same value. + * Thread id type must not be changed during the profiling session to + * avoid thread-id value mismatch across activity records. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_SUPPORTED if \p type is not supported on the platform + */ +CUptiResult CUPTIAPI cuptiSetThreadIdType(CUpti_ActivityThreadIdType type); + +/** + * \brief Get the thread-id type + * + * Returns the thread-id type used in CUPTI + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p type is NULL + */ +CUptiResult CUPTIAPI cuptiGetThreadIdType(CUpti_ActivityThreadIdType *type); + +/** +* \brief Check support for a compute capability +* +* This function is used to check the support for a device based on +* it's compute capability. It sets the \p support when the compute +* capability is supported by the current version of CUPTI, and clears +* it otherwise. This version of CUPTI might not support all GPUs sharing +* the same compute capability. It is suggested to use API \ref +* cuptiDeviceSupported which provides correct information. +* +* \param major The major revision number of the compute capability +* \param minor The minor revision number of the compute capability +* \param support Pointer to an integer to return the support status +* +* \retval CUPTI_SUCCESS +* \retval CUPTI_ERROR_INVALID_PARAMETER if \p support is NULL +* +* \sa ::cuptiDeviceSupported +*/ +CUptiResult CUPTIAPI cuptiComputeCapabilitySupported(int major, int minor, int *support); + +/** +* \brief Check support for a compute device +* +* This function is used to check the support for a compute device. +* It sets the \p support when the device is supported by the current +* version of CUPTI, and clears it otherwise. +* +* \param dev The device handle returned by CUDA Driver API cuDeviceGet +* \param support Pointer to an integer to return the support status +* +* \retval CUPTI_SUCCESS +* \retval CUPTI_ERROR_INVALID_PARAMETER if \p support is NULL +* \retval CUPTI_ERROR_INVALID_DEVICE if \p dev is not a valid device +* +* \sa ::cuptiComputeCapabilitySupported +*/ +CUptiResult CUPTIAPI cuptiDeviceSupported(CUdevice dev, int *support); + +/** + * This indicates the virtualization mode in which CUDA device is running + */ +typedef enum { + /** + * No virtualization mode isassociated with the device + * i.e. it's a baremetal GPU + */ + CUPTI_DEVICE_VIRTUALIZATION_MODE_NONE = 0, + /** + * The device is associated with the pass-through GPU. + * In this mode, an entire physical GPU is directly assigned + * to one virtual machine (VM). + */ + CUPTI_DEVICE_VIRTUALIZATION_MODE_PASS_THROUGH = 1, + /** + * The device is associated with the virtual GPU (vGPU). + * In this mode multiple virtual machines (VMs) have simultaneous, + * direct access to a single physical GPU. + */ + CUPTI_DEVICE_VIRTUALIZATION_MODE_VIRTUAL_GPU = 2, + + CUPTI_DEVICE_VIRTUALIZATION_MODE_FORCE_INT = 0x7fffffff +} CUpti_DeviceVirtualizationMode; + +/** + * \brief Query the virtualization mode of the device + * + * This function is used to query the virtualization mode of the CUDA device. + * + * \param dev The device handle returned by CUDA Driver API cuDeviceGet + * \param mode Pointer to an CUpti_DeviceVirtualizationMode to return the virtualization mode + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_DEVICE if \p dev is not a valid device + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p mode is NULL + * + */ +CUptiResult CUPTIAPI cuptiDeviceVirtualizationMode(CUdevice dev, CUpti_DeviceVirtualizationMode *mode); + +/** + * \brief Detach CUPTI from the running process + * + * This API detaches the CUPTI from the running process. It destroys and cleans up all the + * resources associated with CUPTI in the current process. After CUPTI detaches from the process, + * the process will keep on running with no CUPTI attached to it. + * For safe operation of the API, it is recommended this API is invoked from the exit callsite + * of any of the CUDA Driver or Runtime API. Otherwise CUPTI client needs to make sure that + * required CUDA synchronization and CUPTI activity buffer flush is done before calling the API. + * Sample code showing the usage of the API in the cupti callback handler code: + * \code + void CUPTIAPI + cuptiCallbackHandler(void *userdata, CUpti_CallbackDomain domain, + CUpti_CallbackId cbid, void *cbdata) + { + const CUpti_CallbackData *cbInfo = (CUpti_CallbackData *)cbdata; + + // Take this code path when CUPTI detach is requested + if (detachCupti) { + switch(domain) + { + case CUPTI_CB_DOMAIN_RUNTIME_API: + case CUPTI_CB_DOMAIN_DRIVER_API: + if (cbInfo->callbackSite == CUPTI_API_EXIT) { + // call the CUPTI detach API + cuptiFinalize(); + } + break; + default: + break; + } + } + } + \endcode + */ +CUptiResult CUPTIAPI cuptiFinalize(void); + +/** + * \brief Push an external correlation id for the calling thread + * + * This function notifies CUPTI that the calling thread is entering an external API region. + * When a CUPTI activity API record is created while within an external API region and + * CUPTI_ACTIVITY_KIND_EXTERNAL_CORRELATION is enabled, the activity API record will + * be preceeded by a CUpti_ActivityExternalCorrelation record for each \ref CUpti_ExternalCorrelationKind. + * + * \param kind The kind of external API activities should be correlated with. + * \param id External correlation id. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER The external API kind is invalid + */ +CUptiResult CUPTIAPI cuptiActivityPushExternalCorrelationId(CUpti_ExternalCorrelationKind kind, uint64_t id); + +/** + * \brief Pop an external correlation id for the calling thread + * + * This function notifies CUPTI that the calling thread is leaving an external API region. + * + * \param kind The kind of external API activities should be correlated with. + * \param lastId If the function returns successful, contains the last external correlation id for this \p kind, can be NULL. + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER The external API kind is invalid. + * \retval CUPTI_ERROR_QUEUE_EMPTY No external id is currently associated with \p kind. + */ +CUptiResult CUPTIAPI cuptiActivityPopExternalCorrelationId(CUpti_ExternalCorrelationKind kind, uint64_t *lastId); + +/** + * \brief Controls the collection of queued and submitted timestamps for kernels. + * + * This API is used to control the collection of queued and submitted timestamps + * for kernels whose records are provided through the struct \ref CUpti_ActivityKernel9. + * Default value is 0, i.e. these timestamps are not collected. This API needs + * to be called before initialization of CUDA and this setting should not be + * changed during the profiling session. + * + * \param enable is a boolean, denoting whether these timestamps should be + * collected + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + */ +CUptiResult CUPTIAPI cuptiActivityEnableLatencyTimestamps(uint8_t enable); + +/** + * \brief Sets the flush period for the worker thread + * + * CUPTI creates a worker thread to minimize the perturbance for the application created + * threads. CUPTI offloads certain operations from the application threads to the worker + * thread, this includes synchronization of profiling resources between host and device, + * delivery of the activity buffers to the client using the callback registered in + * cuptiActivityRegisterCallbacks. For performance reasons, CUPTI wakes up the worker + * thread based on certain heuristics. + * + * This API is used to control the flush period of the worker thread. This setting will + * override the CUPTI heurtistics. Setting time to zero disables the periodic flush and + * restores the default behavior. + * + * Periodic flush can return only those activity buffers which are full and have all the + * activity records completed. + * + * It's allowed to use the API \ref cuptiActivityFlushAll to flush the data on-demand, even + * when client sets the periodic flush. + * + * \param time flush period in msec + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_NOT_INITIALIZED + * + * \see cuptiActivityFlushAll + */ +CUptiResult CUPTIAPI cuptiActivityFlushPeriod(uint32_t time); + +/** + * \brief Controls the collection of launch attributes for kernels. + * + * This API is used to control the collection of launch attributes for kernels whose + * records are provided through the struct \ref CUpti_ActivityKernel9. + * Default value is 0, i.e. these attributes are not collected. + * + * \param enable is a boolean denoting whether these launch attributes should be collected + */ +CUptiResult CUPTIAPI cuptiActivityEnableLaunchAttributes(uint8_t enable); + +/** + * \brief Function type for callback used by CUPTI to request a timestamp + * to be used in activity records. + * + * This callback function signals the CUPTI client that a timestamp needs + * to be returned. This timestamp would be treated as normalized timestamp + * to be used for various purposes in CUPTI. For example to store start and + * end timestamps reported in the CUPTI activity records. + * The returned timestamp must be in nanoseconds. + * + * \sa ::cuptiActivityRegisterTimestampCallback + */ +typedef uint64_t (CUPTIAPI *CUpti_TimestampCallbackFunc)(void); + +/** + * \brief Registers callback function with CUPTI for providing timestamp. + * + * This function registers a callback function to obtain timestamp of user's + * choice instead of using CUPTI provided timestamp. + * By default CUPTI uses different methods, based on the underlying platform, + * to retrieve the timestamp + * Linux and Android use clock_gettime(CLOCK_REALTIME, ..) + * Windows uses QueryPerformanceCounter() + * Mac uses mach_absolute_time() + * QNX uses ClockCycles() + * Timestamps retrieved using these methods are converted to nanosecond if needed + * before usage. + * + * The registration of timestamp callback should be done before any of the CUPTI + * activity kinds are enabled to make sure that all the records report the timestamp using + * the callback function registered through cuptiActivityRegisterTimestampCallback API. + * + * Changing the timestamp callback function in CUPTI through + * cuptiActivityRegisterTimestampCallback API in the middle of the profiling + * session can cause records generated prior to the change to report + * timestamps through previous timestamp method. + * + * \param funcTimestamp callback which is invoked when a timestamp is + * needed by CUPTI + * + * \retval CUPTI_SUCCESS + * \retval CUPTI_ERROR_INVALID_PARAMETER if \p funcTimestamp is NULL + * \retval CUPTI_ERROR_NOT_INITIALIZED + */ +CUptiResult CUPTIAPI cuptiActivityRegisterTimestampCallback(CUpti_TimestampCallbackFunc funcTimestamp); + +/** @} */ /* END CUPTI_ACTIVITY_API */ + +#if defined(__GNUC__) && defined(CUPTI_LIB) + #pragma GCC visibility pop +#endif + +#if defined(__cplusplus) +} +#endif + +#endif /*_CUPTI_ACTIVITY_H_*/