1 # Copyright 2014 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 cpu 6 from metrics import memory 7 from metrics import power 8 from telemetry.page import page_test 9 10 11 class WebRTC(page_test.PageTest): 12 """Gathers WebRTC-related metrics on a page set.""" 13 14 def __init__(self): 15 super(WebRTC, self).__init__('RunWebrtc') 16 self._cpu_metric = None 17 self._memory_metric = None 18 self._power_metric = None 19 20 def WillStartBrowser(self, platform): 21 self._power_metric = power.PowerMetric(platform) 22 23 def DidStartBrowser(self, browser): 24 self._cpu_metric = cpu.CpuMetric(browser) 25 self._memory_metric = memory.MemoryMetric(browser) 26 27 def DidNavigateToPage(self, page, tab): 28 self._cpu_metric.Start(page, tab) 29 self._memory_metric.Start(page, tab) 30 self._power_metric.Start(page, tab) 31 32 def CustomizeBrowserOptions(self, options): 33 memory.MemoryMetric.CustomizeBrowserOptions(options) 34 options.AppendExtraBrowserArgs('--use-fake-device-for-media-stream') 35 options.AppendExtraBrowserArgs('--use-fake-ui-for-media-stream') 36 power.PowerMetric.CustomizeBrowserOptions(options) 37 38 def ValidateAndMeasurePage(self, page, tab, results): 39 """Measure the page's performance.""" 40 self._memory_metric.Stop(page, tab) 41 self._memory_metric.AddResults(tab, results) 42 43 self._cpu_metric.Stop(page, tab) 44 self._cpu_metric.AddResults(tab, results) 45 46 self._power_metric.Stop(page, tab) 47 self._power_metric.AddResults(tab, results) 48
