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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 signal | 7 import signal |
8 import subprocess | 8 import subprocess |
9 import sys | 9 import sys |
10 import tempfile | 10 import tempfile |
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40 # Record raw samples to get CPU information. | 40 # Record raw samples to get CPU information. |
41 '--raw-samples', | 41 '--raw-samples', |
42 # Increase sampling frequency for better coverage. | 42 # Increase sampling frequency for better coverage. |
43 '--freq', '2000', | 43 '--freq', '2000', |
44 ] | 44 ] |
45 | 45 |
46 | 46 |
47 class _PerfProfiler(object): | 47 class _PerfProfiler(object): |
48 def __init__(self, device, perf_binary, categories): | 48 def __init__(self, device, perf_binary, categories): |
49 self._device = device | 49 self._device = device |
50 self._output_file = android_commands.DeviceTempFile( | 50 self._output_file = device_temp_file.DeviceTempFile( |
Sami
2015/05/13 12:58:51
Missing import?
jbudorick
2015/05/13 21:49:29
Done.
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51 self._device.old_interface, prefix='perf_output') | 51 self._device.adb, prefix='perf_output') |
52 self._log_file = tempfile.TemporaryFile() | 52 self._log_file = tempfile.TemporaryFile() |
53 | 53 |
54 # TODO(jbudorick) Look at providing a way to unhandroll this once the | 54 # TODO(jbudorick) Look at providing a way to unhandroll this once the |
55 # adb rewrite has fully landed. | 55 # adb rewrite has fully landed. |
56 device_param = (['-s', str(self._device)] if str(self._device) else []) | 56 device_param = (['-s', str(self._device)] if str(self._device) else []) |
57 cmd = ['adb'] + device_param + \ | 57 cmd = ['adb'] + device_param + \ |
58 ['shell', perf_binary, 'record', | 58 ['shell', perf_binary, 'record', |
59 '--output', self._output_file.name] + _PERF_OPTIONS | 59 '--output', self._output_file.name] + _PERF_OPTIONS |
60 if categories: | 60 if categories: |
61 cmd += ['--event', ','.join(categories)] | 61 cmd += ['--event', ','.join(categories)] |
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179 open(json_file_name, 'w') as json_file: | 179 open(json_file_name, 'w') as json_file: |
180 cmd = [perfhost_path, 'script', '-s', perf_script_path, '-i', | 180 cmd = [perfhost_path, 'script', '-s', perf_script_path, '-i', |
181 perf_profile, '--symfs', symfs_dir, '--kallsyms', kallsyms] | 181 perf_profile, '--symfs', symfs_dir, '--kallsyms', kallsyms] |
182 if subprocess.call(cmd, stdout=json_file, stderr=dev_null): | 182 if subprocess.call(cmd, stdout=json_file, stderr=dev_null): |
183 logging.warning('Perf data to JSON conversion failed. The result will ' | 183 logging.warning('Perf data to JSON conversion failed. The result will ' |
184 'not contain any perf samples. You can still view the ' | 184 'not contain any perf samples. You can still view the ' |
185 'perf data manually as shown above.') | 185 'perf data manually as shown above.') |
186 return None | 186 return None |
187 | 187 |
188 return json_file_name | 188 return json_file_name |
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