Revert 276779 "Move adb_profile_chrome under tools/android/"

trunk/src/tools/android/adb_profile_chrome/chrome_controller.py

-# Copyright 2014 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 json
-import os
-import re
-import time
-
-from adb_profile_chrome import controllers
-
-from pylib import pexpect
-
-_HEAP_PROFILE_MMAP_PROPERTY = 'heapprof.mmap'
-
-class ChromeTracingController(controllers.BaseController):
-  def __init__(self, device, package_info,
-               categories, ring_buffer, trace_memory=False):
-    controllers.BaseController.__init__(self)
-    self._device = device
-    self._package_info = package_info
-    self._categories = categories
-    self._ring_buffer = ring_buffer
-    self._trace_file = None
-    self._trace_interval = None
-    self._trace_memory = trace_memory
-    self._trace_start_re = \
-       re.compile(r'Logging performance trace to file')
-    self._trace_finish_re = \
-       re.compile(r'Profiler finished[.] Results are in (.*)[.]')
-    self._device.old_interface.StartMonitoringLogcat(clear=False)
-
-  def __repr__(self):
-    return 'chrome trace'
-
-  @staticmethod
-  def GetCategories(device, package_info):
-    device.old_interface.BroadcastIntent(
-        package_info.package, 'GPU_PROFILER_LIST_CATEGORIES')
-    try:
-      json_category_list = device.old_interface.WaitForLogMatch(
-          re.compile(r'{"traceCategoriesList(.*)'), None, timeout=5).group(0)
-    except pexpect.TIMEOUT:
-      raise RuntimeError('Performance trace category list marker not found. '
-                         'Is the correct version of the browser running?')
-
-    record_categories = []
-    disabled_by_default_categories = []
-    json_data = json.loads(json_category_list)['traceCategoriesList']
-    for item in json_data:
-      if item.startswith('disabled-by-default'):
-        disabled_by_default_categories.append(item)
-      else:
-        record_categories.append(item)
-
-    return record_categories, disabled_by_default_categories
-
-  def StartTracing(self, interval):
-    self._trace_interval = interval
-    self._device.old_interface.SyncLogCat()
-    self._device.old_interface.BroadcastIntent(
-        self._package_info.package, 'GPU_PROFILER_START',
-        '-e categories "%s"' % ','.join(self._categories),
-        '-e continuous' if self._ring_buffer else '')
-
-    if self._trace_memory:
-      self._device.old_interface.EnableAdbRoot()
-      self._device.old_interface.system_properties \
-          [_HEAP_PROFILE_MMAP_PROPERTY] = 1
-
-    # Chrome logs two different messages related to tracing:
-    #
-    # 1. "Logging performance trace to file"
-    # 2. "Profiler finished. Results are in [...]"
-    #
-    # The first one is printed when tracing starts and the second one indicates
-    # that the trace file is ready to be pulled.
-    try:
-      self._device.old_interface.WaitForLogMatch(
-          self._trace_start_re, None, timeout=5)
-    except pexpect.TIMEOUT:
-      raise RuntimeError('Trace start marker not found. Is the correct version '
-                         'of the browser running?')
-
-  def StopTracing(self):
-    self._device.old_interface.BroadcastIntent(
-        self._package_info.package,
-        'GPU_PROFILER_STOP')
-    self._trace_file = self._device.old_interface.WaitForLogMatch(
-        self._trace_finish_re, None, timeout=120).group(1)
-    if self._trace_memory:
-      self._device.old_interface.system_properties \
-          [_HEAP_PROFILE_MMAP_PROPERTY] = 0
-
-  def PullTrace(self):
-    # Wait a bit for the browser to finish writing the trace file.
-    time.sleep(self._trace_interval / 4 + 1)
-
-    trace_file = self._trace_file.replace('/storage/emulated/0/', '/sdcard/')
-    host_file = os.path.join(os.path.curdir, os.path.basename(trace_file))
-    self._device.old_interface.PullFileFromDevice(trace_file, host_file)
-    return host_file