sdk/platform-tools/systrace/catapult/telemetry/telemetry/internal/platform/profiler/android_prebuilt_profiler_helper.py

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """Android-specific, installs pre-built profilers."""
   6
   7 import logging
   8 import os
   9
  10 from telemetry.internal.util import binary_manager
  11 from telemetry import decorators
  12
  13 _DEVICE_PROFILER_DIR = '/data/local/tmp/profilers/'
  14
  15
  16 def GetDevicePath(profiler_binary):
  17   return os.path.join(_DEVICE_PROFILER_DIR, os.path.basename(profiler_binary))
  18
  19
  20 @decorators.Cache
  21 def InstallOnDevice(device, profiler_binary):
  22   arch_name = device.GetABI()
  23   host_path = binary_manager.FetchPath(profiler_binary, arch_name, 'android')
  24   if not host_path:
  25     logging.error('Profiler binary "%s" not found. Could not be installed',
  26                   host_path)
  27     return False
  28
  29   device_binary_path = GetDevicePath(profiler_binary)
  30   device.PushChangedFiles([(host_path, device_binary_path)])
  31   device.RunShellCommand(
  32       ['chmod', '777', device_binary_path], check_return=True)
  33   return True