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profiler.py
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profiler.py
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# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import sys
import warnings
from ..fluid import core
from ..fluid.profiler import cuda_profiler # noqa: F401
from ..fluid.profiler import start_profiler
from ..fluid.profiler import profiler # noqa: F401
from ..fluid.profiler import stop_profiler
from ..fluid.profiler import reset_profiler
from .deprecated import deprecated
__all__ = [ # noqa
'Profiler',
'get_profiler',
'ProfilerOptions',
'cuda_profiler',
'start_profiler',
'profiler',
'stop_profiler',
'reset_profiler',
]
@deprecated(
since="2.4.2",
update_to="paddle.profiler.Profiler",
level=1,
reason="Please use new profiler tool, this profiler tool is no longer maintained.",
)
class ProfilerOptions(object):
def __init__(self, options=None):
self.options = {
'state': 'All',
'sorted_key': 'default',
'tracer_level': 'Default',
'batch_range': [0, sys.maxsize],
'output_thread_detail': False,
'profile_path': 'none',
'timeline_path': 'none',
'op_summary_path': 'none',
}
if options is not None:
for key in self.options.keys():
if options.get(key, None) is not None:
self.options[key] = options[key]
# function to set one specified option
def with_state(self, state):
self.options['state'] = state
return self
def __getitem__(self, name):
if self.options.get(name, None) is None:
raise ValueError(
"ProfilerOptions does not have an option named %s." % name
)
else:
if (
isinstance(self.options[name], str)
and self.options[name] == 'none'
):
return None
else:
return self.options[name]
_current_profiler = None
@deprecated(
since="2.4.2",
update_to="paddle.profiler.Profiler",
level=1,
reason="Please use new profiler tool, this profiler tool is no longer maintained.",
)
class Profiler(object):
def __init__(self, enabled=True, options=None):
if options is not None:
self.profiler_options = options
else:
self.profiler_options = ProfilerOptions()
self.batch_id = 0
self.enabled = enabled
def __enter__(self):
# record current profiler
global _current_profiler
self.previous_profiler = _current_profiler
_current_profiler = self
if self.enabled:
if self.profiler_options['batch_range'][0] == 0:
self.start()
return self
def __exit__(self, exception_type, exception_value, traceback):
global _current_profiler
_current_profiler = self.previous_profiler
if self.enabled:
self.stop()
def start(self):
if self.enabled:
try:
start_profiler(
state=self.profiler_options['state'],
tracer_option=self.profiler_options['tracer_level'],
)
except Exception as e:
warnings.warn(
"Profiler is not enabled becuase following exception:\n{}".format(
e
)
)
def stop(self):
if self.enabled:
try:
stop_profiler(
sorted_key=self.profiler_options['sorted_key'],
profile_path=self.profiler_options['profile_path'],
)
except Exception as e:
warnings.warn(
"Profiler is not disabled becuase following exception:\n{}".format(
e
)
)
def reset(self):
if self.enabled and core.is_profiler_enabled():
reset_profiler()
def record_step(self, change_profiler_status=True):
if not self.enabled:
return
self.batch_id = self.batch_id + 1
if change_profiler_status:
if self.batch_id == self.profiler_options['batch_range'][0]:
if core.is_profiler_enabled():
self.reset()
else:
self.start()
if self.batch_id == self.profiler_options['batch_range'][1]:
self.stop()
@deprecated(
since="2.4.2",
update_to="paddle.profiler.Profiler",
level=1,
reason="Please use new profiler tool, this profiler tool is no longer maintained.",
)
def get_profiler():
global _current_profiler
if _current_profiler is None:
_current_profiler = Profiler()
return _current_profiler