| # Copyright (c) 2012 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 telemetry import multi_page_benchmark |
| from telemetry import util |
| |
| MEMORY_HISTOGRAMS = [ |
| {'name': 'V8.MemoryExternalFragmentationTotal', 'units': 'percent'}, |
| {'name': 'V8.MemoryHeapSampleTotalCommitted', 'units': 'kb'}, |
| {'name': 'V8.MemoryHeapSampleTotalUsed', 'units': 'kb'}] |
| |
| class PageCycler(multi_page_benchmark.MultiPageBenchmark): |
| def CustomizeBrowserOptions(self, options): |
| options.AppendExtraBrowserArg('--dom-automation') |
| options.AppendExtraBrowserArg('--js-flags=--expose_gc') |
| |
| def MeasurePage(self, _, tab, results): |
| def _IsDone(): |
| return tab.page.GetCookieByName('__pc_done') == '1' |
| util.WaitFor(_IsDone, 1200, poll_interval=5) |
| print 'Pages: [%s]' % tab.page.GetCookieByName('__pc_pages') |
| |
| # TODO(tonyg): Get IO and memory statistics. |
| |
| for histogram in MEMORY_HISTOGRAMS: |
| name = histogram['name'] |
| data = tab.runtime.Evaluate( |
| 'window.domAutomationController.getHistogram("%s")' % name) |
| results.Add(name, histogram['units'], data, data_type='histogram') |
| |
| def _IsNavigatedToReport(): |
| return tab.page.GetCookieByName('__navigated_to_report') == '1' |
| util.WaitFor(_IsNavigatedToReport, 60, poll_interval=5) |
| timings = tab.runtime.Evaluate('__get_timings()').split(',') |
| results.Add('t', 'ms', [int(t) for t in timings], chart_name='times') |
| |
| # TODO(tonyg): Add version that runs with extension profile. |