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316 lines
13 KiB
316 lines
13 KiB
# Copyright (c) 2018 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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import argparse
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import json
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import paddle.fluid.proto.profiler.profiler_pb2 as profiler_pb2
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import six
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument(
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'--profile_path',
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type=str,
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default='',
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help='Input profile file name. If there are multiple file, the format '
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'should be trainer1=file1,trainer2=file2,ps=file3')
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parser.add_argument(
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'--timeline_path', type=str, default='', help='Output timeline file name.')
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args = parser.parse_args()
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class _ChromeTraceFormatter(object):
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def __init__(self):
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self._events = []
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self._metadata = []
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def _create_event(self, ph, category, name, pid, tid, timestamp):
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"""Creates a new Chrome Trace event.
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For details of the file format, see:
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https://github.com/catapult-project/catapult/blob/master/tracing/README.md
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Args:
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ph: The type of event - usually a single character.
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category: The event category as a string.
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name: The event name as a string.
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pid: Identifier of the process generating this event as an integer.
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tid: Identifier of the thread generating this event as an integer.
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timestamp: The timestamp of this event as a long integer.
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Returns:
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A JSON compatible event object.
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"""
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event = {}
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event['ph'] = ph
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event['cat'] = category
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event['name'] = name.replace("ParallelExecutor::Run/", "")
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event['pid'] = pid
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event['tid'] = tid
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event['ts'] = timestamp
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return event
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def emit_pid(self, name, pid):
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"""Adds a process metadata event to the trace.
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Args:
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name: The process name as a string.
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pid: Identifier of the process as an integer.
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"""
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event = {}
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event['name'] = 'process_name'
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event['ph'] = 'M'
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event['pid'] = pid
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event['args'] = {'name': name}
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self._metadata.append(event)
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def emit_region(self, timestamp, duration, pid, tid, category, name, args):
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"""Adds a region event to the trace.
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Args:
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timestamp: The start timestamp of this region as a long integer.
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duration: The duration of this region as a long integer.
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pid: Identifier of the process generating this event as an integer.
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tid: Identifier of the thread generating this event as an integer.
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category: The event category as a string.
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name: The event name as a string.
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args: A JSON-compatible dictionary of event arguments.
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"""
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event = self._create_event('X', category, name, pid, tid, timestamp)
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event['dur'] = duration
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event['args'] = args
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self._events.append(event)
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def emit_counter(self, category, name, pid, timestamp, counter, value):
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"""Emits a record for a single counter.
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Args:
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category: The event category as string
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name: The event name as string
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pid: Identifier of the process generating this event as integer
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timestamp: The timestamps of this event as long integer
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counter: Name of the counter as string
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value: Value of the counter as integer
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tid: Thread id of the allocation as integer
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"""
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event = self._create_event('C', category, name, pid, 0, timestamp)
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event['args'] = {counter: value}
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self._events.append(event)
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def format_to_string(self, pretty=False):
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"""Formats the chrome trace to a string.
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Args:
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pretty: (Optional.) If True, produce human-readable JSON output.
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Returns:
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A JSON-formatted string in Chrome Trace format.
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"""
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trace = {}
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trace['traceEvents'] = self._metadata + self._events
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if pretty:
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return json.dumps(trace, indent=4, separators=(',', ': '))
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else:
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return json.dumps(trace, separators=(',', ':'))
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class Timeline(object):
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def __init__(self, profile_dict):
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self._profile_dict = profile_dict
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self._pid = 0
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self._devices = dict()
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self._mem_devices = dict()
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self._chrome_trace = _ChromeTraceFormatter()
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def _allocate_pid(self):
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cur_pid = self._pid
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self._pid += 1
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return cur_pid
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def _allocate_pids(self):
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for k, profile_pb in six.iteritems(self._profile_dict):
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for event in profile_pb.events:
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if event.type == profiler_pb2.Event.CPU:
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if (k, event.device_id, "CPU") not in self._devices:
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pid = self._allocate_pid()
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self._devices[(k, event.device_id, "CPU")] = pid
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# -1 device id represents CUDA API(RunTime) call.(e.g. cudaLaunch, cudaMemcpy)
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if event.device_id == -1:
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self._chrome_trace.emit_pid("%s:cuda_api" % k, pid)
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else:
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self._chrome_trace.emit_pid(
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"%s:cpu:block:%d" % (k, event.device_id), pid)
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elif event.type == profiler_pb2.Event.GPUKernel:
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if (k, event.device_id, "GPUKernel") not in self._devices:
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pid = self._allocate_pid()
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self._devices[(k, event.device_id, "GPUKernel")] = pid
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self._chrome_trace.emit_pid("%s:gpu:%d" %
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(k, event.device_id), pid)
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if not hasattr(profile_pb, "mem_events"):
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continue
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for mevent in profile_pb.mem_events:
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if mevent.place == profiler_pb2.MemEvent.CUDAPlace:
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if (k, mevent.device_id, "GPU") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, mevent.device_id, "GPU")] = pid
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self._chrome_trace.emit_pid(
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"memory usage on %s:gpu:%d" % (k, mevent.device_id),
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pid)
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elif mevent.place == profiler_pb2.MemEvent.CPUPlace:
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if (k, mevent.device_id, "CPU") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, mevent.device_id, "CPU")] = pid
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self._chrome_trace.emit_pid(
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"memory usage on %s:cpu:%d" % (k, mevent.device_id),
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pid)
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elif mevent.place == profiler_pb2.MemEvent.CUDAPinnedPlace:
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if (k, mevent.device_id,
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"CUDAPinnedPlace") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, mevent.device_id,
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"CUDAPinnedPlace")] = pid
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self._chrome_trace.emit_pid(
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"memory usage on %s:cudapinnedplace:%d" %
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(k, mevent.device_id), pid)
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elif mevent.place == profiler_pb2.MemEvent.NPUPlace:
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if (k, mevent.device_id, "NPU") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, mevent.device_id, "NPU")] = pid
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self._chrome_trace.emit_pid(
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"memory usage on %s:npu:%d" % (k, mevent.device_id),
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pid)
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if (k, 0, "CPU") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, 0, "CPU")] = pid
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self._chrome_trace.emit_pid("memory usage on %s:cpu:%d" %
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(k, 0), pid)
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if (k, 0, "GPU") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, 0, "GPU")] = pid
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self._chrome_trace.emit_pid("memory usage on %s:gpu:%d" %
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(k, 0), pid)
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if (k, 0, "CUDAPinnedPlace") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, 0, "CUDAPinnedPlace")] = pid
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self._chrome_trace.emit_pid(
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"memory usage on %s:cudapinnedplace:%d" % (k, 0), pid)
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if (k, 0, "NPU") not in self._mem_devices:
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pid = self._allocate_pid()
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self._mem_devices[(k, 0, "NPU")] = pid
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self._chrome_trace.emit_pid("memory usage on %s:npu:%d" %
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(k, 0), pid)
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def _allocate_events(self):
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for k, profile_pb in six.iteritems(self._profile_dict):
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for event in profile_pb.events:
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if event.type == profiler_pb2.Event.CPU:
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type = "CPU"
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elif event.type == profiler_pb2.Event.GPUKernel:
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type = "GPUKernel"
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pid = self._devices[(k, event.device_id, type)]
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args = {'name': event.name}
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if event.memcopy.bytes > 0:
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args['mem_bytes'] = event.memcopy.bytes
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if hasattr(event, "detail_info") and event.detail_info:
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args['detail_info'] = event.detail_info
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# TODO(panyx0718): Chrome tracing only handles ms. However, some
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# ops takes micro-seconds. Hence, we keep the ns here.
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self._chrome_trace.emit_region(
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event.start_ns, (event.end_ns - event.start_ns) / 1.0, pid,
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event.sub_device_id, 'Op', event.name, args)
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def _allocate_memory_event(self):
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if not hasattr(profiler_pb2, "MemEvent"):
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return
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place_to_str = {
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profiler_pb2.MemEvent.CPUPlace: "CPU",
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profiler_pb2.MemEvent.CUDAPlace: "GPU",
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profiler_pb2.MemEvent.CUDAPinnedPlace: "CUDAPinnedPlace",
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profiler_pb2.MemEvent.NPUPlace: "NPU"
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}
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for k, profile_pb in six.iteritems(self._profile_dict):
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mem_list = []
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end_profiler = 0
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for mevent in profile_pb.mem_events:
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crt_info = dict()
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crt_info['time'] = mevent.start_ns
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crt_info['size'] = mevent.bytes
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if mevent.place in place_to_str:
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place = place_to_str[mevent.place]
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else:
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place = "UnDefine"
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crt_info['place'] = place
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pid = self._mem_devices[(k, mevent.device_id, place)]
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crt_info['pid'] = pid
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crt_info['thread_id'] = mevent.thread_id
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crt_info['device_id'] = mevent.device_id
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mem_list.append(crt_info)
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crt_info = dict()
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crt_info['place'] = place
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crt_info['pid'] = pid
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crt_info['thread_id'] = mevent.thread_id
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crt_info['device_id'] = mevent.device_id
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crt_info['time'] = mevent.end_ns
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crt_info['size'] = -mevent.bytes
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mem_list.append(crt_info)
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end_profiler = max(end_profiler, crt_info['time'])
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mem_list.sort(key=lambda tmp: (tmp.get('time', 0)))
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i = 0
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total_size = 0
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while i < len(mem_list):
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total_size += mem_list[i]['size']
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while i < len(mem_list) - 1 and mem_list[i]['time'] == mem_list[
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i + 1]['time']:
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total_size += mem_list[i + 1]['size']
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i += 1
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self._chrome_trace.emit_counter(
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"Memory", "Memory", mem_list[i]['pid'], mem_list[i]['time'],
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0, total_size)
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i += 1
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def generate_chrome_trace(self):
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self._allocate_pids()
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self._allocate_events()
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self._allocate_memory_event()
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return self._chrome_trace.format_to_string()
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profile_path = '/tmp/profile'
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if args.profile_path:
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profile_path = args.profile_path
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timeline_path = '/tmp/timeline'
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if args.timeline_path:
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timeline_path = args.timeline_path
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profile_paths = profile_path.split(',')
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profile_dict = dict()
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if len(profile_paths) == 1:
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with open(profile_path, 'rb') as f:
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profile_s = f.read()
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profile_pb = profiler_pb2.Profile()
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profile_pb.ParseFromString(profile_s)
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profile_dict['trainer'] = profile_pb
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else:
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for profile_path in profile_paths:
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k, v = profile_path.split('=')
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with open(v, 'rb') as f:
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profile_s = f.read()
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profile_pb = profiler_pb2.Profile()
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profile_pb.ParseFromString(profile_s)
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profile_dict[k] = profile_pb
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tl = Timeline(profile_dict)
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with open(timeline_path, 'w') as f:
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f.write(tl.generate_chrome_trace())
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