| # 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. |
| |
| from metrics import cpu |
| from metrics import memory |
| from metrics import power |
| from telemetry.page import page_measurement |
| |
| |
| class WebRTC(page_measurement.PageMeasurement): |
| """Gathers WebRTC-related metrics on a page set.""" |
| |
| def __init__(self): |
| super(WebRTC, self).__init__('RunWebrtc') |
| self._cpu_metric = None |
| self._memory_metric = None |
| self._power_metric = power.PowerMetric() |
| |
| def DidStartBrowser(self, browser): |
| self._cpu_metric = cpu.CpuMetric(browser) |
| self._memory_metric = memory.MemoryMetric(browser) |
| |
| def DidNavigateToPage(self, page, tab): |
| self._cpu_metric.Start(page, tab) |
| self._memory_metric.Start(page, tab) |
| self._power_metric.Start(page, tab) |
| |
| def CustomizeBrowserOptions(self, options): |
| memory.MemoryMetric.CustomizeBrowserOptions(options) |
| options.AppendExtraBrowserArgs('--use-fake-device-for-media-stream') |
| options.AppendExtraBrowserArgs('--use-fake-ui-for-media-stream') |
| power.PowerMetric.CustomizeBrowserOptions(options) |
| |
| def MeasurePage(self, page, tab, results): |
| """Measure the page's performance.""" |
| self._memory_metric.Stop(page, tab) |
| self._memory_metric.AddResults(tab, results) |
| |
| self._cpu_metric.Stop(page, tab) |
| self._cpu_metric.AddResults(tab, results) |
| |
| self._power_metric.Stop(page, tab) |
| self._power_metric.AddResults(tab, results) |
