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# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: Apache-2.0
# DeepSpeed Team
from .utils import check_tb_availability
from .monitor import Monitor
import os
import deepspeed.comm as dist
class TensorBoardMonitor(Monitor):
def __init__(self, tensorboard_config):
super().__init__(tensorboard_config)
check_tb_availability()
self.summary_writer = None
self.enabled = tensorboard_config.enabled
self.output_path = tensorboard_config.output_path
self.job_name = tensorboard_config.job_name
if self.enabled and dist.get_rank() == 0:
self.get_summary_writer()
def get_summary_writer(self, base=os.path.join(os.path.expanduser("~"), "tensorboard")):
if self.enabled and dist.get_rank() == 0:
from torch.utils.tensorboard import SummaryWriter
if self.output_path is not None:
log_dir = os.path.join(self.output_path, self.job_name)
# NOTE: This code path currently is never used since the default output_path is an empty string and not None. Saving it in case we want this functionality in the future.
else:
if "DLWS_JOB_ID" in os.environ:
infra_job_id = os.environ["DLWS_JOB_ID"]
elif "DLTS_JOB_ID" in os.environ:
infra_job_id = os.environ["DLTS_JOB_ID"]
else:
infra_job_id = "unknown-job-id"
summary_writer_dir_name = os.path.join(infra_job_id, "logs")
log_dir = os.path.join(base, summary_writer_dir_name, self.output_path)
os.makedirs(log_dir, exist_ok=True)
self.summary_writer = SummaryWriter(log_dir=log_dir)
return self.summary_writer
def write_events(self, event_list, flush=True):
if self.enabled and self.summary_writer is not None and dist.get_rank() == 0:
for event in event_list:
self.summary_writer.add_scalar(*event)
if flush:
self.summary_writer.flush()
def flush(self):
if self.enabled and self.summary_writer is not None and dist.get_rank() == 0:
self.summary_writer.flush()
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