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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 # Copyright (c) 2012 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 """Utilities for iotop/top style profiling for android.""" | 5 """Utilities for iotop/top style profiling for android.""" |
| 6 | 6 |
| 7 import collections | 7 import collections |
| 8 import json | 8 import json |
| 9 import os | 9 import os |
| 10 import subprocess | 10 import subprocess |
| 11 import sys | 11 import sys |
| 12 import urllib | 12 import urllib |
| 13 | 13 |
| 14 import constants | 14 import constants |
| 15 import io_stats_parser | 15 import io_stats_parser |
| 16 | 16 |
| 17 | 17 |
| 18 class DeviceStatsMonitor(object): | 18 class DeviceStatsMonitor(object): |
| 19 """Class for collecting device stats such as IO/CPU usage. | 19 """Class for collecting device stats such as IO/CPU usage. |
| 20 | 20 |
| 21 Args: | 21 Args: |
| 22 adb: Instance of AndroidComannds. | 22 adb: Instance of AndroidComannds. |
| 23 hz: Frequency at which to sample device stats. | 23 hz: Frequency at which to sample device stats. |
| 24 """ | 24 """ |
| 25 | 25 |
| 26 DEVICE_PATH = '/data/local/tmp/device_stats_monitor' | 26 DEVICE_PATH = '/data/local/tmp/device_stats_monitor' |
| 27 HOST_PATH = os.path.abspath(os.path.join( | |
| 28 constants.CHROME_DIR, 'out', 'Release', 'device_stats_monitor')) | |
| 29 PROFILE_PATH = '/sdcard/Download/device_stats_monitor.profile' | 27 PROFILE_PATH = '/sdcard/Download/device_stats_monitor.profile' |
| 30 RESULT_VIEWER_PATH = os.path.abspath(os.path.join( | 28 RESULT_VIEWER_PATH = os.path.abspath(os.path.join( |
| 31 os.path.dirname(os.path.realpath(__file__)), 'device_stats_monitor.html')) | 29 os.path.dirname(os.path.realpath(__file__)), 'device_stats_monitor.html')) |
| 32 | 30 |
| 33 def __init__(self, adb, hz): | 31 def __init__(self, adb, hz, build_type): |
| 34 self._adb = adb | 32 self._adb = adb |
| 35 self._adb.PushIfNeeded(DeviceStatsMonitor.HOST_PATH, | 33 host_path = os.path.abspath(os.path.join( |
| 36 DeviceStatsMonitor.DEVICE_PATH) | 34 constants.CHROME_DIR, 'out', build_type, 'device_stats_monitor')) |
| 35 self._adb.PushIfNeeded(host_path, DeviceStatsMonitor.DEVICE_PATH) |
| 37 self._hz = hz | 36 self._hz = hz |
| 38 | 37 |
| 39 def Start(self): | 38 def Start(self): |
| 40 """Starts device stats monitor on the device.""" | 39 """Starts device stats monitor on the device.""" |
| 41 self._adb.SetFileContents(DeviceStatsMonitor.PROFILE_PATH, '') | 40 self._adb.SetFileContents(DeviceStatsMonitor.PROFILE_PATH, '') |
| 42 self._process = subprocess.Popen( | 41 self._process = subprocess.Popen( |
| 43 ['adb', 'shell', '%s --hz=%d %s' % ( | 42 ['adb', 'shell', '%s --hz=%d %s' % ( |
| 44 DeviceStatsMonitor.DEVICE_PATH, self._hz, | 43 DeviceStatsMonitor.DEVICE_PATH, self._hz, |
| 45 DeviceStatsMonitor.PROFILE_PATH)]) | 44 DeviceStatsMonitor.PROFILE_PATH)]) |
| 46 | 45 |
| (...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 107 'user', | 106 'user', |
| 108 'nice', | 107 'nice', |
| 109 'system', | 108 'system', |
| 110 'idle', | 109 'idle', |
| 111 'iowait', | 110 'iowait', |
| 112 'irq', | 111 'irq', |
| 113 'softirq', | 112 'softirq', |
| 114 ]) | 113 ]) |
| 115 fields = line.split() | 114 fields = line.split() |
| 116 return cpu_stats._make([fields[0]] + [int(f) for f in fields[1:8]]) | 115 return cpu_stats._make([fields[0]] + [int(f) for f in fields[1:8]]) |
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