def CreateTimelineBasedMeasurementOptions(self):
startup_category_filter = tracing_category_filter.TracingCategoryFilter(
filter_string='startup,blink.user_timing')
options = timeline_based_measurement.Options(
overhead_level=startup_category_filter)
options.SetTimelineBasedMetrics(
[startup.StartupTimelineMetric()])
return options
def CreateCoreTimelineBasedMeasurementOptions(self):
startup_category_filter = (
chrome_trace_category_filter.ChromeTraceCategoryFilter(
filter_string='startup,blink.user_timing'))
options = timeline_based_measurement.Options(
overhead_level=startup_category_filter)
options.SetLegacyTimelineBasedMetrics(
[startup.StartupTimelineMetric()])
return options
def ComputeStartupMetrics(self):
results = test_page_test_results.TestPageTestResults(self)
# Create a mock model usable by
# StartupTimelineMetric.AddWholeTraceResults().
def IterateEvents(event_predicate):
for event in self.events:
if event_predicate(event):
yield event
class MockClass(object):
pass
model = MockClass()
model.browser_process = MockClass()
model.browser_process.parent = MockClass()
model.browser_process.parent.IterAllEvents = IterateEvents
startup.StartupTimelineMetric().AddWholeTraceResults(model, results)
return results