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