tools/perf/measurements/memory.py

   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__('RunPageInteractions')
  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)