| # Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging |
| import subprocess |
| import tempfile |
| |
| from telemetry import decorators |
| from telemetry.core import bitmap |
| from telemetry.core import exceptions |
| from telemetry.core import platform |
| from telemetry.core import util |
| from telemetry.core.platform import proc_supporting_platform_backend |
| from telemetry.core.platform.power_monitor import android_ds2784_power_monitor |
| from telemetry.core.platform.power_monitor import android_dumpsys_power_monitor |
| from telemetry.core.platform.power_monitor import android_temperature_monitor |
| from telemetry.core.platform.power_monitor import monsoon_power_monitor |
| from telemetry.core.platform.power_monitor import power_monitor_controller |
| from telemetry.core.platform.profiler import android_prebuilt_profiler_helper |
| |
| # Get build/android scripts into our path. |
| util.AddDirToPythonPath(util.GetChromiumSrcDir(), 'build', 'android') |
| from pylib import screenshot # pylint: disable=F0401 |
| from pylib.perf import cache_control # pylint: disable=F0401 |
| from pylib.perf import perf_control # pylint: disable=F0401 |
| from pylib.perf import thermal_throttle # pylint: disable=F0401 |
| |
| try: |
| from pylib.perf import surface_stats_collector # pylint: disable=F0401 |
| except Exception: |
| surface_stats_collector = None |
| |
| |
| _HOST_APPLICATIONS = [ |
| 'avconv', |
| 'ipfw', |
| ] |
| |
| |
| class AndroidPlatformBackend( |
| proc_supporting_platform_backend.ProcSupportingPlatformBackend): |
| def __init__(self, device, no_performance_mode): |
| super(AndroidPlatformBackend, self).__init__() |
| self._device = device |
| self._surface_stats_collector = None |
| self._perf_tests_setup = perf_control.PerfControl(self._device) |
| self._thermal_throttle = thermal_throttle.ThermalThrottle(self._device) |
| self._no_performance_mode = no_performance_mode |
| self._raw_display_frame_rate_measurements = [] |
| self._can_access_protected_file_contents = \ |
| self._device.old_interface.CanAccessProtectedFileContents() |
| power_controller = power_monitor_controller.PowerMonitorController([ |
| monsoon_power_monitor.MonsoonPowerMonitor(), |
| android_ds2784_power_monitor.DS2784PowerMonitor(device), |
| android_dumpsys_power_monitor.DumpsysPowerMonitor(device), |
| ]) |
| self._powermonitor = android_temperature_monitor.AndroidTemperatureMonitor( |
| power_controller, device) |
| self._video_recorder = None |
| self._video_output = None |
| if self._no_performance_mode: |
| logging.warning('CPU governor will not be set!') |
| |
| def IsRawDisplayFrameRateSupported(self): |
| return True |
| |
| def StartRawDisplayFrameRateMeasurement(self): |
| assert not self._surface_stats_collector |
| # Clear any leftover data from previous timed out tests |
| self._raw_display_frame_rate_measurements = [] |
| self._surface_stats_collector = \ |
| surface_stats_collector.SurfaceStatsCollector(self._device) |
| self._surface_stats_collector.Start() |
| |
| def StopRawDisplayFrameRateMeasurement(self): |
| if not self._surface_stats_collector: |
| return |
| |
| self._surface_stats_collector.Stop() |
| for r in self._surface_stats_collector.GetResults(): |
| self._raw_display_frame_rate_measurements.append( |
| platform.Platform.RawDisplayFrameRateMeasurement( |
| r.name, r.value, r.unit)) |
| |
| self._surface_stats_collector = None |
| |
| def GetRawDisplayFrameRateMeasurements(self): |
| ret = self._raw_display_frame_rate_measurements |
| self._raw_display_frame_rate_measurements = [] |
| return ret |
| |
| def SetFullPerformanceModeEnabled(self, enabled): |
| if self._no_performance_mode: |
| return |
| if enabled: |
| self._perf_tests_setup.SetHighPerfMode() |
| else: |
| self._perf_tests_setup.SetDefaultPerfMode() |
| |
| def CanMonitorThermalThrottling(self): |
| return True |
| |
| def IsThermallyThrottled(self): |
| return self._thermal_throttle.IsThrottled() |
| |
| def HasBeenThermallyThrottled(self): |
| return self._thermal_throttle.HasBeenThrottled() |
| |
| def GetCpuStats(self, pid): |
| if not self._can_access_protected_file_contents: |
| logging.warning('CPU stats cannot be retrieved on non-rooted device.') |
| return {} |
| return super(AndroidPlatformBackend, self).GetCpuStats(pid) |
| |
| def GetCpuTimestamp(self): |
| if not self._can_access_protected_file_contents: |
| logging.warning('CPU timestamp cannot be retrieved on non-rooted device.') |
| return {} |
| return super(AndroidPlatformBackend, self).GetCpuTimestamp() |
| |
| def PurgeUnpinnedMemory(self): |
| """Purges the unpinned ashmem memory for the whole system. |
| |
| This can be used to make memory measurements more stable in particular. |
| """ |
| if not android_prebuilt_profiler_helper.InstallOnDevice( |
| self._device, 'purge_ashmem'): |
| raise Exception('Error installing purge_ashmem.') |
| (status, output) = self._device.old_interface.GetAndroidToolStatusAndOutput( |
| android_prebuilt_profiler_helper.GetDevicePath('purge_ashmem'), |
| log_result=True) |
| if status != 0: |
| raise Exception('Error while purging ashmem: ' + '\n'.join(output)) |
| |
| def GetMemoryStats(self, pid): |
| memory_usage = self._device.old_interface.GetMemoryUsageForPid(pid) |
| return {'ProportionalSetSize': memory_usage['Pss'] * 1024, |
| 'SharedDirty': memory_usage['Shared_Dirty'] * 1024, |
| 'PrivateDirty': memory_usage['Private_Dirty'] * 1024, |
| 'VMPeak': memory_usage['VmHWM'] * 1024} |
| |
| def GetIOStats(self, pid): |
| return {} |
| |
| def GetChildPids(self, pid): |
| child_pids = [] |
| ps = self._GetPsOutput(['pid', 'name']) |
| for curr_pid, curr_name in ps: |
| if int(curr_pid) == pid: |
| name = curr_name |
| for curr_pid, curr_name in ps: |
| if curr_name.startswith(name) and curr_name != name: |
| child_pids.append(int(curr_pid)) |
| break |
| return child_pids |
| |
| @decorators.Cache |
| def GetCommandLine(self, pid): |
| ps = self._GetPsOutput(['pid', 'name'], pid) |
| if not ps: |
| raise exceptions.ProcessGoneException() |
| return ps[0][1] |
| |
| def GetOSName(self): |
| return 'android' |
| |
| @decorators.Cache |
| def GetOSVersionName(self): |
| return self._device.old_interface.GetBuildId()[0] |
| |
| def CanFlushIndividualFilesFromSystemCache(self): |
| return False |
| |
| def FlushEntireSystemCache(self): |
| cache = cache_control.CacheControl(self._device) |
| cache.DropRamCaches() |
| |
| def FlushSystemCacheForDirectory(self, directory, ignoring=None): |
| raise NotImplementedError() |
| |
| def FlushDnsCache(self): |
| self._device.old_interface.RunShellCommandWithSU( |
| 'ndc resolver flushdefaultif') |
| |
| def LaunchApplication( |
| self, application, parameters=None, elevate_privilege=False): |
| if application in _HOST_APPLICATIONS: |
| platform.GetHostPlatform().LaunchApplication( |
| application, parameters, elevate_privilege=elevate_privilege) |
| return |
| if elevate_privilege: |
| raise NotImplementedError("elevate_privilege isn't supported on android.") |
| if not parameters: |
| parameters = '' |
| self._device.old_interface.RunShellCommand( |
| 'am start ' + parameters + ' ' + application) |
| |
| def IsApplicationRunning(self, application): |
| if application in _HOST_APPLICATIONS: |
| return platform.GetHostPlatform().IsApplicationRunning(application) |
| return len(self._device.old_interface.ExtractPid(application)) > 0 |
| |
| def CanLaunchApplication(self, application): |
| if application in _HOST_APPLICATIONS: |
| return platform.GetHostPlatform().CanLaunchApplication(application) |
| return True |
| |
| def InstallApplication(self, application): |
| if application in _HOST_APPLICATIONS: |
| platform.GetHostPlatform().InstallApplication(application) |
| return |
| raise NotImplementedError( |
| 'Please teach Telemetry how to install ' + application) |
| |
| @decorators.Cache |
| def CanCaptureVideo(self): |
| return self.GetOSVersionName() >= 'K' |
| |
| def StartVideoCapture(self, min_bitrate_mbps): |
| min_bitrate_mbps = max(min_bitrate_mbps, 0.1) |
| if min_bitrate_mbps > 100: |
| raise ValueError('Android video capture cannot capture at %dmbps. ' |
| 'Max capture rate is 100mbps.' % min_bitrate_mbps) |
| self._video_output = tempfile.mkstemp()[1] |
| if self.is_video_capture_running: |
| self._video_recorder.Stop() |
| self._video_recorder = screenshot.VideoRecorder( |
| self._device, self._video_output, megabits_per_second=min_bitrate_mbps) |
| self._video_recorder.Start() |
| util.WaitFor(self._video_recorder.IsStarted, 5) |
| |
| @property |
| def is_video_capture_running(self): |
| return self._video_recorder is not None |
| |
| def StopVideoCapture(self): |
| assert self.is_video_capture_running, 'Must start video capture first' |
| self._video_recorder.Stop() |
| self._video_output = self._video_recorder.Pull() |
| self._video_recorder = None |
| for frame in self._FramesFromMp4(self._video_output): |
| yield frame |
| |
| def CanMonitorPower(self): |
| return self._powermonitor.CanMonitorPower() |
| |
| def StartMonitoringPower(self, browser): |
| self._powermonitor.StartMonitoringPower(browser) |
| |
| def StopMonitoringPower(self): |
| return self._powermonitor.StopMonitoringPower() |
| |
| def _FramesFromMp4(self, mp4_file): |
| if not self.CanLaunchApplication('avconv'): |
| self.InstallApplication('avconv') |
| |
| def GetDimensions(video): |
| proc = subprocess.Popen(['avconv', '-i', video], stderr=subprocess.PIPE) |
| dimensions = None |
| output = '' |
| for line in proc.stderr.readlines(): |
| output += line |
| if 'Video:' in line: |
| dimensions = line.split(',')[2] |
| dimensions = map(int, dimensions.split()[0].split('x')) |
| break |
| proc.communicate() |
| assert dimensions, ('Failed to determine video dimensions. output=%s' % |
| output) |
| return dimensions |
| |
| def GetFrameTimestampMs(stderr): |
| """Returns the frame timestamp in integer milliseconds from the dump log. |
| |
| The expected line format is: |
| ' dts=1.715 pts=1.715\n' |
| |
| We have to be careful to only read a single timestamp per call to avoid |
| deadlock because avconv interleaves its writes to stdout and stderr. |
| """ |
| while True: |
| line = '' |
| next_char = '' |
| while next_char != '\n': |
| next_char = stderr.read(1) |
| line += next_char |
| if 'pts=' in line: |
| return int(1000 * float(line.split('=')[-1])) |
| |
| dimensions = GetDimensions(mp4_file) |
| frame_length = dimensions[0] * dimensions[1] * 3 |
| frame_data = bytearray(frame_length) |
| |
| # Use rawvideo so that we don't need any external library to parse frames. |
| proc = subprocess.Popen(['avconv', '-i', mp4_file, '-vcodec', |
| 'rawvideo', '-pix_fmt', 'rgb24', '-dump', |
| '-loglevel', 'debug', '-f', 'rawvideo', '-'], |
| stderr=subprocess.PIPE, stdout=subprocess.PIPE) |
| while True: |
| num_read = proc.stdout.readinto(frame_data) |
| if not num_read: |
| raise StopIteration |
| assert num_read == len(frame_data), 'Unexpected frame size: %d' % num_read |
| yield (GetFrameTimestampMs(proc.stderr), |
| bitmap.Bitmap(3, dimensions[0], dimensions[1], frame_data)) |
| |
| def _GetFileContents(self, fname): |
| if not self._can_access_protected_file_contents: |
| logging.warning('%s cannot be retrieved on non-rooted device.' % fname) |
| return '' |
| return '\n'.join( |
| self._device.old_interface.GetProtectedFileContents(fname)) |
| |
| def _GetPsOutput(self, columns, pid=None): |
| assert columns == ['pid', 'name'] or columns == ['pid'], \ |
| 'Only know how to return pid and name. Requested: ' + columns |
| command = 'ps' |
| if pid: |
| command += ' -p %d' % pid |
| ps = self._device.old_interface.RunShellCommand( |
| command, log_result=False)[1:] |
| output = [] |
| for line in ps: |
| data = line.split() |
| curr_pid = data[1] |
| curr_name = data[-1] |
| if columns == ['pid', 'name']: |
| output.append([curr_pid, curr_name]) |
| else: |
| output.append([curr_pid]) |
| return output |
