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.
5 from metrics import cpu
6 from metrics import memory
7 from metrics import power
8 from metrics import webrtc_stats
9 from telemetry.page import page_test
12 class WebRTC(page_test.PageTest):
13 """Gathers WebRTC-related metrics on a page set."""
16 super(WebRTC, self).__init__('RunPageInteractions')
17 self._cpu_metric = None
18 self._memory_metric = None
19 self._power_metric = None
20 self._webrtc_stats_metric = None
22 def WillStartBrowser(self, platform):
23 self._power_metric = power.PowerMetric(platform)
25 def DidStartBrowser(self, browser):
26 self._cpu_metric = cpu.CpuMetric(browser)
27 self._memory_metric = memory.MemoryMetric(browser)
28 self._webrtc_stats_metric = webrtc_stats.WebRtcStatisticsMetric()
30 def DidNavigateToPage(self, page, tab):
31 self._cpu_metric.Start(page, tab)
32 self._memory_metric.Start(page, tab)
33 self._power_metric.Start(page, tab)
34 self._webrtc_stats_metric.Start(page, tab)
36 def CustomizeBrowserOptions(self, options):
37 memory.MemoryMetric.CustomizeBrowserOptions(options)
38 options.AppendExtraBrowserArgs('--use-fake-device-for-media-stream')
39 options.AppendExtraBrowserArgs('--use-fake-ui-for-media-stream')
40 power.PowerMetric.CustomizeBrowserOptions(options)
42 def ValidateAndMeasurePage(self, page, tab, results):
43 """Measure the page's performance."""
44 self._memory_metric.Stop(page, tab)
45 self._memory_metric.AddResults(tab, results)
47 self._cpu_metric.Stop(page, tab)
48 self._cpu_metric.AddResults(tab, results)
50 self._power_metric.Stop(page, tab)
51 self._power_metric.AddResults(tab, results)
53 self._webrtc_stats_metric.Stop(page, tab)
54 self._webrtc_stats_metric.AddResults(tab, results)