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.page import page_test
   6 from telemetry.timeline import tracing_category_filter
   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         enable_auto_issuing_record=False)
  22     if self._report_silk_details:
  23       # We need the other traces in order to have any details to report.
  24       self._timeline_controller.trace_categories = None
  25     else:
  26       self._timeline_controller.trace_categories = \
  27           tracing_category_filter.CreateNoOverheadFilter().filter_string
  28     self._timeline_controller.SetUp(page, tab)
  29
  30   def DidNavigateToPage(self, page, tab):
  31     self._timeline_controller.Start(tab)
  32
  33   def ValidateAndMeasurePage(self, page, tab, results):
  34     self._timeline_controller.Stop(tab, results)
  35     metric = timeline.ThreadTimesTimelineMetric()
  36     renderer_thread = \
  37         self._timeline_controller.model.GetRendererThreadFromTabId(tab.id)
  38     if self._report_silk_details:
  39       metric.details_to_report = timeline.ReportSilkDetails
  40     metric.AddResults(self._timeline_controller.model, renderer_thread,
  41                       self._timeline_controller.smooth_records, results)
  42     layout_metric = layout.LayoutMetric()
  43     layout_metric.AddResults(self._timeline_controller.model, renderer_thread,
  44                              self._timeline_controller.smooth_records, results)
  45
  46   def DidRunPage(self, platform):
  47     if self._timeline_controller:
  48       self._timeline_controller.CleanUp(platform)