tools/perf/measurements/thread_times.py

   1 # Copyright 2014 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 measurements import timeline_controller
   5 from metrics import timeline
   6 from telemetry.core.platform import tracing_category_filter
   7 from telemetry.page import page_test
   8
   9 class ThreadTimes(page_test.PageTest):
  10   def __init__(self, report_silk_details=False,
  11                action_name_to_run='RunSmoothness'):
  12     super(ThreadTimes, self).__init__(action_name_to_run=action_name_to_run)
  13     self._timeline_controller = None
  14     self._report_silk_details = report_silk_details
  15
  16   def WillNavigateToPage(self, page, tab):
  17     self._timeline_controller = timeline_controller.TimelineController()
  18     if self._report_silk_details:
  19       # We need the other traces in order to have any details to report.
  20       self._timeline_controller.trace_categories = None
  21     else:
  22       self._timeline_controller.trace_categories = \
  23           tracing_category_filter.CreateNoOverheadFilter().filter_string
  24     self._timeline_controller.SetUp(page, tab)
  25
  26   def WillRunActions(self, page, tab):
  27     self._timeline_controller.Start(tab)
  28
  29   def DidRunActions(self, page, tab):
  30     self._timeline_controller.Stop(tab)
  31
  32   def ValidateAndMeasurePage(self, page, tab, results):
  33     metric = timeline.ThreadTimesTimelineMetric()
  34     renderer_thread = \
  35         self._timeline_controller.model.GetRendererThreadFromTabId(tab.id)
  36     if self._report_silk_details:
  37       metric.details_to_report = timeline.ReportSilkDetails
  38     metric.AddResults(self._timeline_controller.model, renderer_thread,
  39                       self._timeline_controller.smooth_records, results)
  40
  41   def CleanUpAfterPage(self, _, tab):
  42     self._timeline_controller.CleanUp(tab)