Tab Switching Benchmark for ChromeOS

tools/perf/contrib/cros_benchmarks/tab_switching_stories.py

+# Copyright 2017 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.
+
+import py_utils
+import logging
+
+from telemetry.core import exceptions
+from telemetry.page import page as page_module
+from telemetry.page import shared_page_state
+from contrib.cros_benchmarks import cros_utils
+
+
+# NOTE: When tab count is high, some tabs may be discarded, and the tab
+# context would be invalidated. Avoid storing tab object for later use.
+class CrosMultiTabStory(page_module.Page):
+  """Base class for multi-tab stories."""
+
+  def __init__(self, story_set, cros_remote, tabset_repeat=1):
+    super(CrosMultiTabStory, self).__init__(
+        shared_page_state_class=shared_page_state.SharedPageState,
+        page_set=story_set, name=self.NAME, url=self.URL)
+    self._cros_remote = cros_remote
+    self._tabset_repeat = tabset_repeat
+
+  def RunNavigateSteps(self, action_runner):
+    """Opening tabs and waiting for them to load."""
+    if not self._cros_remote:
+      raise ValueError('Must specify --remote=DUT_IP to run this test.')
+
+    # As this story may run for a long time, adjusting screen off time to
+    # avoid screen off.
+    cros_utils.NoScreenOff(self._cros_remote)
+
+    tabs = action_runner.tab.browser.tabs
+
+    # No need to create the first tab as there is already one
+    # when the browser is ready.
+    url_list = self.URL_LIST * self._tabset_repeat
+    if url_list:
+      action_runner.Navigate(url_list[0])
+    for i, url in enumerate(url_list[1:]):
+      new_tab = tabs.New()
+      new_tab.action_runner.Navigate(url)
+      if i % 10 == 0:
+        print 'opening tab:', i
+
+    # Waiting for every tabs to be stable.
+    for i, url in enumerate(url_list):
+      try:
+        tabs[i].action_runner.WaitForNetworkQuiescence()
+      except py_utils.TimeoutException:
+        logging.info('WaitForNetworkQuiescence() timeout, url[%d]: %s',
+                     i, url)
+      except exceptions.DevtoolsTargetCrashException:
+        logging.info('RunNavigateSteps: devtools context lost')
+
+  def RunPageInteractions(self, action_runner):
+    """Tab switching to each tabs."""
+    url_list = self.URL_LIST * self._tabset_repeat
+    browser = action_runner.tab.browser
+
+    total_tab_count = len(url_list)
+    live_tab_count = len(browser.tabs)
+    if live_tab_count != total_tab_count:
+      logging.warning('live tab: %d, tab discarded: %d',
+                      live_tab_count, total_tab_count - live_tab_count)
+
+    with cros_utils.KeyboardEmulator(self._cros_remote) as keyboard:
+      for i in range(total_tab_count):
+        prev_histogram = cros_utils.GetTabSwitchHistogramRetry(browser)
+        keyboard.SwitchTab()
+        cros_utils.WaitTabSwitching(browser, prev_histogram)
+
+        if i % 10 == 0:
+          print 'switching tab:', i
+
+
+class CrosMultiTabTypical24Story(CrosMultiTabStory):
+  """Multi-tab stories to test 24 typical webpages."""
+  NAME = 'cros_tab_switching_typical24'
+  URL_LIST = [
+      # Why: Alexa games #48
+      'http://www.nick.com/games',
+      # Why: Alexa sports #45
+      'http://www.rei.com/',
+      # Why: Alexa sports #50
+      'http://www.fifa.com/',
+      # Why: Alexa shopping #41
+      'http://www.gamestop.com/ps3',
+      # Why: Alexa news #55
+      ('http://www.economist.com/news/science-and-technology/21573529-small-'
+       'models-cosmic-phenomena-are-shedding-light-real-thing-how-build'),
+      # Why: Alexa news #67
+      'http://www.theonion.com',
+      'http://arstechnica.com/',
+      # Why: Alexa home #10
+      'http://allrecipes.com/Recipe/Pull-Apart-Hot-Cross-Buns/Detail.aspx',
+      'http://www.html5rocks.com/en/',
+      'http://www.mlb.com/',
+      ('http://gawker.com/5939683/based-on-a-true-story-is-a-rotten-lie-i-'
+       'hope-you-never-believe'),
+      'http://www.imdb.com/title/tt0910970/',
+      'http://www.flickr.com/search/?q=monkeys&f=hp',
+      'http://money.cnn.com/',
+      'http://www.nationalgeographic.com/',
+      'http://premierleague.com',
+      'http://www.osubeavers.com/',
+      'http://walgreens.com',
+      'http://colorado.edu',
+      ('http://www.ticketmaster.com/JAY-Z-and-Justin-Timberlake-tickets/artist/'
+       '1837448?brand=none&tm_link=tm_homeA_rc_name2'),
+      # pylint: disable=line-too-long
+      'http://www.theverge.com/2013/3/5/4061684/inside-ted-the-smartest-bubble-in-the-world',
+      'http://www.airbnb.com/',
+      'http://www.ign.com/',
+      # Why: Alexa health #25
+      'http://www.fda.gov',
+  ]
+  URL = URL_LIST[0]