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
   5 from telemetry.core.platform import tracing_category_filter
   6 from telemetry.page import page_test
   7 from telemetry.web_perf.metrics import layout
   8
   9 from measurements import timeline_controller
  10 from metrics import timeline
  11
  12
  13 class ThreadTimes(page_test.PageTest):
  14   def __init__(self, report_silk_details=False):
  15     super(ThreadTimes, self).__init__()
  16     self._timeline_controller = None
  17     self._report_silk_details = report_silk_details
  18
  19   def WillNavigateToPage(self, page, tab):
  20     self._timeline_controller = timeline_controller.TimelineController()
  21     if self._report_silk_details:
  22       # We need the other traces in order to have any details to report.
  23       self._timeline_controller.trace_categories = None
  24     else:
  25       self._timeline_controller.trace_categories = \
  26           tracing_category_filter.CreateNoOverheadFilter().filter_string
  27     self._timeline_controller.SetUp(page, tab)
  28
  29   def WillRunActions(self, page, tab):
  30     self._timeline_controller.Start(tab)
  31
  32   def ValidateAndMeasurePage(self, page, tab, results):
  33     self._timeline_controller.Stop(tab, results)
  34     metric = timeline.ThreadTimesTimelineMetric()
  35     renderer_thread = \
  36         self._timeline_controller.model.GetRendererThreadFromTabId(tab.id)
  37     if self._report_silk_details:
  38       metric.details_to_report = timeline.ReportSilkDetails
  39     metric.AddResults(self._timeline_controller.model, renderer_thread,
  40                       self._timeline_controller.smooth_records, results)
  41     layout_metric = layout.LayoutMetric()
  42     layout_metric.AddResults(self._timeline_controller.model, renderer_thread,
  43                              self._timeline_controller.smooth_records, results)
  44
  45   def CleanUpAfterPage(self, _, tab):
  46     if self._timeline_controller:
  47       self._timeline_controller.CleanUp(tab)