tools/perf/measurements/smoothness.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 from metrics import power
   6 from measurements import smoothness_controller
   7 from telemetry.page import page_test
   8
   9
  10 class Smoothness(page_test.PageTest):
  11   def __init__(self):
  12     super(Smoothness, self).__init__('RunSmoothness')
  13     self._power_metric = None
  14     self._smoothness_controller = None
  15
  16   @classmethod
  17   def CustomizeBrowserOptions(cls, options):
  18     options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
  19     options.AppendExtraBrowserArgs('--touch-events=enabled')
  20     options.AppendExtraBrowserArgs('--running-performance-benchmark')
  21     power.PowerMetric.CustomizeBrowserOptions(options)
  22
  23   def WillStartBrowser(self, platform):
  24     self._power_metric = power.PowerMetric(platform)
  25
  26   def WillNavigateToPage(self, page, tab):
  27     self._power_metric.Start(page, tab)
  28     self._smoothness_controller = smoothness_controller.SmoothnessController()
  29     self._smoothness_controller.SetUp(page, tab)
  30
  31   def WillRunActions(self, page, tab):
  32     self._smoothness_controller.Start(tab)
  33
  34   def DidRunActions(self, page, tab):
  35     self._power_metric.Stop(page, tab)
  36     self._smoothness_controller.Stop(tab)
  37
  38   def ValidateAndMeasurePage(self, page, tab, results):
  39     self._power_metric.AddResults(tab, results)
  40     self._smoothness_controller.AddResults(tab, results)
  41
  42   def CleanUpAfterPage(self, page, tab):
  43     if self._power_metric:
  44       self._power_metric.Stop(page, tab)
  45     if self._smoothness_controller:
  46       self._smoothness_controller.CleanUp(tab)