| # Copyright 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 os |
| |
| from telemetry.internal.util import binary_manager |
| from telemetry.internal.backends.chrome import android_browser_finder |
| from telemetry.internal.platform import profiler |
| |
| from devil.android.sdk import intent # pylint: disable=import-error |
| |
| class UnableToFindApplicationException(Exception): |
| """Exception when unable to find a launched application""" |
| |
| def __init__(self, application): |
| super(UnableToFindApplicationException, self).__init__() |
| self.application = application |
| |
| def __str__(self): |
| return repr(self.application) |
| |
| |
| class OOMKillerProfiler(profiler.Profiler): |
| """Android-specific, Launch the music application and check it is still alive |
| at the end of the run.""" |
| |
| def __init__(self, browser_backend, platform_backend, output_path, state): |
| super(OOMKillerProfiler, self).__init__( |
| browser_backend, platform_backend, output_path, state) |
| if not 'mem_consumer_launched' in state: |
| state['mem_consumer_launched'] = True |
| arch_name = self._browser_backend.device.GetABI() |
| mem_consumer_path = binary_manager.FetchPath( |
| os.path.join('apks', 'MemConsumer.apk'), arch_name, 'android') |
| assert mem_consumer_path, ('Could not find memconsumer app. Please build ' |
| 'memconsumer target.') |
| if not self._platform_backend.CanLaunchApplication( |
| 'org.chromium.memconsumerg'): |
| self._platform_backend.InstallApplication(mem_consumer_path) |
| self._browser_backend.device.GoHome() |
| self._platform_backend.LaunchApplication( |
| 'org.chromium.memconsumer/.MemConsumer', |
| '--ei memory 20') |
| # Bring the browser to the foreground after launching the mem consumer |
| self._browser_backend.device.StartActivity( |
| intent.Intent(package=browser_backend.package, |
| activity=browser_backend.activity), |
| blocking=True) |
| |
| @classmethod |
| def name(cls): |
| return 'oomkiller' |
| |
| @classmethod |
| def is_supported(cls, browser_type): |
| if browser_type == 'any': |
| return android_browser_finder.CanFindAvailableBrowsers() |
| return browser_type.startswith('android') |
| |
| @classmethod |
| def WillCloseBrowser(cls, browser_backend, platform_backend): |
| browser_backend.device.ForceStop('org.chromium.memconsumer') |
| |
| def CollectProfile(self): |
| missing_applications = self._MissingApplications() |
| if not len(missing_applications): |
| return [] |
| raise UnableToFindApplicationException(', '.join(missing_applications)) |
| |
| def _MissingApplications(self): |
| # TODO(qsr): Add com.android.launcher to the list, when the reason why the |
| # launcher is often killed is understood. |
| must_have_apps = [ |
| 'org.chromium.memconsumer', |
| ] |
| return [app for app in must_have_apps if |
| not self._platform_backend.IsApplicationRunning(app)] |
