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# Copyright 2013 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.
from telemetry.page import page_test
from telemetry.timeline import tracing_category_filter
from telemetry.web_perf import timeline_based_measurement
class _CustomResultsWrapper(timeline_based_measurement.ResultsWrapperInterface):
def _AssertNewValueHasSameInteractionLabel(self, new_value):
for value in self._results.current_page_run.values:
if value.name == new_value.name:
assert value.tir_label == new_value.tir_label, (
'Smoothness measurement do not support multiple interaction record '
'labels per page yet. See crbug.com/453109 for more information.')
def AddValue(self, value):
value.tir_label = self._result_prefix
self._AssertNewValueHasSameInteractionLabel(value)
self._results.AddValue(value)
class Smoothness(page_test.PageTest):
def __init__(self, needs_browser_restart_after_each_page=False):
super(Smoothness, self).__init__(needs_browser_restart_after_each_page)
self._tbm = None
@classmethod
def CustomizeBrowserOptions(cls, options):
options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
options.AppendExtraBrowserArgs('--touch-events=enabled')
options.AppendExtraBrowserArgs('--running-performance-benchmark')
options.AppendExtraBrowserArgs('--js-flags=--expose-gc')
def WillNavigateToPage(self, page, tab):
tracing_controller = tab.browser.platform.tracing_controller
# FIXME: Remove webkit.console when blink.console lands in chromium and
# the ref builds are updated. crbug.com/386847
custom_categories = [
'webkit.console', 'blink.console', 'benchmark', 'trace_event_overhead']
category_filter = tracing_category_filter.TracingCategoryFilter(
','.join(custom_categories))
self._tbm = timeline_based_measurement.TimelineBasedMeasurement(
timeline_based_measurement.Options(category_filter),
_CustomResultsWrapper)
self._tbm.WillRunStoryForPageTest(
tracing_controller, page.GetSyntheticDelayCategories())
def ValidateAndMeasurePage(self, _, tab, results):
tracing_controller = tab.browser.platform.tracing_controller
self._tbm.MeasureForPageTest(tracing_controller, results)
def CleanUpAfterPage(self, _, tab):
tracing_controller = tab.browser.platform.tracing_controller
self._tbm.DidRunStoryForPageTest(tracing_controller)
tab.ExecuteJavaScript('window.gc();')
class Repaint(Smoothness):
def CustomizeBrowserOptions(self, options):
options.AppendExtraBrowserArgs([
'--enable-impl-side-painting',
'--enable-threaded-compositing',
'--enable-gpu-benchmarking'
])
class SmoothnessWithRestart(Smoothness):
def __init__(self):
super(SmoothnessWithRestart, self).__init__(
needs_browser_restart_after_each_page=True)
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