tools/perf/page_sets/page_reload_cases.py

   1 # Copyright 2015 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 from telemetry.page import shared_page_state
   5 from telemetry import story
   6
   7 from page_sets import top_pages
   8
   9
  10 def _Reload(action_runner):
  11   # Numbers below are chosen arbitrarily. For the V8DetachedContextAgeInGC
  12   # the number of reloads should be high enough so that V8 could do few
  13   # incremeantal GCs.
  14   NUMBER_OF_RELOADS = 7
  15   WAIT_TIME = 2
  16   for _ in xrange(NUMBER_OF_RELOADS):
  17     action_runner.ReloadPage()
  18     action_runner.Wait(WAIT_TIME)
  19
  20
  21 def _CreatePageClassWithReload(page_cls):
  22   class DerivedSmoothPage(page_cls):  # pylint: disable=W0232
  23
  24     def RunPageInteractions(self, action_runner):
  25       _Reload(action_runner)
  26   return DerivedSmoothPage
  27
  28
  29 class PageReloadCasesPageSet(story.StorySet):
  30
  31   """ Pages for testing GC efficiency on page reload. """
  32
  33   def __init__(self):
  34     super(PageReloadCasesPageSet, self).__init__(
  35         archive_data_file='data/top_25.json',
  36         cloud_storage_bucket=story.PARTNER_BUCKET)
  37
  38     shared_desktop_state = shared_page_state.SharedDesktopPageState
  39
  40     self.AddStory(_CreatePageClassWithReload(
  41         top_pages.GoogleWebSearchPage)(self, shared_desktop_state))
  42     self.AddStory(_CreatePageClassWithReload(
  43         top_pages.GoogleDocPage)(self, shared_desktop_state))