1 # Copyright 2012 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 memory 6 from metrics import power 7 from telemetry.page import page_test 8 9 class Memory(page_test.PageTest): 10 def __init__(self): 11 super(Memory, self).__init__('RunStressMemory') 12 self._memory_metric = None 13 self._power_metric = None 14 15 def WillStartBrowser(self, platform): 16 self._power_metric = power.PowerMetric(platform) 17 18 def DidStartBrowser(self, browser): 19 self._memory_metric = memory.MemoryMetric(browser) 20 21 def DidNavigateToPage(self, page, tab): 22 self._memory_metric.Start(page, tab) 23 self._power_metric.Start(page, tab) 24 25 def CustomizeBrowserOptions(self, options): 26 memory.MemoryMetric.CustomizeBrowserOptions(options) 27 # Since this is a memory benchmark, we want to sample memory histograms at 28 # a high frequency. 29 options.AppendExtraBrowserArgs('--memory-metrics') 30 31 def ValidateAndMeasurePage(self, page, tab, results): 32 self._power_metric.Stop(page, tab) 33 self._memory_metric.Stop(page, tab) 34 self._memory_metric.AddResults(tab, results) 35 self._power_metric.AddResults(tab, results) 36
