OLD | NEW |
1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2014 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import logging | 5 import logging |
6 import os | 6 import os |
7 import subprocess | 7 import subprocess |
8 import sys | 8 import sys |
9 import tempfile | 9 import tempfile |
10 | 10 |
(...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
58 if categories: | 58 if categories: |
59 cmd += ['--event', ','.join(categories)] | 59 cmd += ['--event', ','.join(categories)] |
60 self._perf_control = perf_control.PerfControl(self._device) | 60 self._perf_control = perf_control.PerfControl(self._device) |
61 self._perf_control.ForceAllCpusOnline(True) | 61 self._perf_control.ForceAllCpusOnline(True) |
62 self._perf_process = subprocess.Popen(cmd, | 62 self._perf_process = subprocess.Popen(cmd, |
63 stdout=self._log_file, | 63 stdout=self._log_file, |
64 stderr=subprocess.STDOUT) | 64 stderr=subprocess.STDOUT) |
65 | 65 |
66 def SignalAndWait(self): | 66 def SignalAndWait(self): |
67 perf_pids = self._device.old_interface.ExtractPid('perf') | 67 perf_pids = self._device.old_interface.ExtractPid('perf') |
68 self._device.old_interface.RunShellCommand( | 68 self._device.RunShellCommand('kill -SIGINT ' + ' '.join(perf_pids)) |
69 'kill -SIGINT ' + ' '.join(perf_pids)) | |
70 self._perf_process.wait() | 69 self._perf_process.wait() |
71 self._perf_control.ForceAllCpusOnline(False) | 70 self._perf_control.ForceAllCpusOnline(False) |
72 | 71 |
73 def _FailWithLog(self, msg): | 72 def _FailWithLog(self, msg): |
74 self._log_file.seek(0) | 73 self._log_file.seek(0) |
75 log = self._log_file.read() | 74 log = self._log_file.read() |
76 raise RuntimeError('%s. Log output:\n%s' % (msg, log)) | 75 raise RuntimeError('%s. Log output:\n%s' % (msg, log)) |
77 | 76 |
78 def PullResult(self, output_path): | 77 def PullResult(self, output_path): |
79 if not self._device.old_interface.FileExistsOnDevice( | 78 if not self._device.old_interface.FileExistsOnDevice( |
(...skipping 30 matching lines...) Expand all Loading... |
110 | 109 |
111 @staticmethod | 110 @staticmethod |
112 def _PrepareDevice(device): | 111 def _PrepareDevice(device): |
113 if not 'BUILDTYPE' in os.environ: | 112 if not 'BUILDTYPE' in os.environ: |
114 os.environ['BUILDTYPE'] = 'Release' | 113 os.environ['BUILDTYPE'] = 'Release' |
115 return android_profiling_helper.PrepareDeviceForPerf(device) | 114 return android_profiling_helper.PrepareDeviceForPerf(device) |
116 | 115 |
117 @classmethod | 116 @classmethod |
118 def GetCategories(cls, device): | 117 def GetCategories(cls, device): |
119 perf_binary = cls._PrepareDevice(device) | 118 perf_binary = cls._PrepareDevice(device) |
120 return device.old_interface.RunShellCommand('%s list' % perf_binary) | 119 return device.RunShellCommand('%s list' % perf_binary) |
121 | 120 |
122 def StartTracing(self, _): | 121 def StartTracing(self, _): |
123 self._perf_instance = _PerfProfiler(self._device, | 122 self._perf_instance = _PerfProfiler(self._device, |
124 self._perf_binary, | 123 self._perf_binary, |
125 self._categories) | 124 self._categories) |
126 | 125 |
127 def StopTracing(self): | 126 def StopTracing(self): |
128 if not self._perf_instance: | 127 if not self._perf_instance: |
129 return | 128 return |
130 self._perf_instance.SignalAndWait() | 129 self._perf_instance.SignalAndWait() |
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
182 open(json_file_name, 'w') as json_file: | 181 open(json_file_name, 'w') as json_file: |
183 cmd = [perfhost_path, 'script', '-s', perf_script_path, '-i', | 182 cmd = [perfhost_path, 'script', '-s', perf_script_path, '-i', |
184 perf_profile, '--symfs', symfs_dir, '--kallsyms', kallsyms] | 183 perf_profile, '--symfs', symfs_dir, '--kallsyms', kallsyms] |
185 if subprocess.call(cmd, stdout=json_file, stderr=dev_null): | 184 if subprocess.call(cmd, stdout=json_file, stderr=dev_null): |
186 logging.warning('Perf data to JSON conversion failed. The result will ' | 185 logging.warning('Perf data to JSON conversion failed. The result will ' |
187 'not contain any perf samples. You can still view the ' | 186 'not contain any perf samples. You can still view the ' |
188 'perf data manually as shown above.') | 187 'perf data manually as shown above.') |
189 return None | 188 return None |
190 | 189 |
191 return json_file_name | 190 return json_file_name |
OLD | NEW |