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136 lines
4.2 KiB
136 lines
4.2 KiB
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import sys
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import warnings
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from ..fluid import core
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from ..fluid.profiler import *
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__all__ = ['ProfilerOptions', 'Profiler', 'get_profiler']
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class ProfilerOptions(object):
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def __init__(self, options=None):
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self.options = {
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'state': 'All',
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'sorted_key': 'default',
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'tracer_level': 'Default',
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'batch_range': [0, sys.maxsize],
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'output_thread_detail': False,
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'profile_path': 'none',
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'timeline_path': 'none',
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'op_summary_path': 'none'
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}
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if options is not None:
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for key in self.options.keys():
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if options.get(key, None) is not None:
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self.options[key] = options[key]
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# function to set one specified option
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def with_state(self, state):
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self.options['state'] = state
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return self
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def __getitem__(self, name):
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if self.options.get(name, None) is None:
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raise ValueError(
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"ProfilerOptions does not have an option named %s." % name)
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else:
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if isinstance(self.options[name],
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str) and self.options[name] == 'none':
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return None
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else:
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return self.options[name]
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_current_profiler = None
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class Profiler(object):
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def __init__(self, enabled=True, options=None):
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if options is not None:
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self.profiler_options = options
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else:
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self.profiler_options = ProfilerOptions()
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self.batch_id = 0
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self.enabled = enabled
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def __enter__(self):
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# record current profiler
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global _current_profiler
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self.previous_profiler = _current_profiler
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_current_profiler = self
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if self.enabled:
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if self.profiler_options['batch_range'][0] == 0:
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self.start()
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return self
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def __exit__(self, exception_type, exception_value, traceback):
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global _current_profiler
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_current_profiler = self.previous_profiler
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if self.enabled:
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self.stop()
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def start(self):
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if self.enabled:
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try:
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start_profiler(
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state=self.profiler_options['state'],
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tracer_option=self.profiler_options['tracer_level'])
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except Exception as e:
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warnings.warn(
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"Profiler is not enabled becuase following exception:\n{}".
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format(e))
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def stop(self):
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if self.enabled:
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try:
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stop_profiler(
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sorted_key=self.profiler_options['sorted_key'],
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profile_path=self.profiler_options['profile_path'])
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except Exception as e:
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warnings.warn(
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"Profiler is not disabled becuase following exception:\n{}".
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format(e))
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def reset(self):
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if self.enabled and core.is_profiler_enabled():
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reset_profiler()
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def record_step(self, change_profiler_status=True):
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if not self.enabled:
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return
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self.batch_id = self.batch_id + 1
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if change_profiler_status:
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if self.batch_id == self.profiler_options['batch_range'][0]:
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if core.is_profiler_enabled():
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self.reset()
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else:
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self.start()
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if self.batch_id == self.profiler_options['batch_range'][1]:
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self.stop()
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def get_profiler():
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global _current_profiler
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if _current_profiler is None:
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_current_profiler = Profiler()
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return _current_profiler
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