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# Copyright 2020 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from core import perf_benchmark
from core import platforms
from telemetry import benchmark
from telemetry import story
from telemetry.timeline import chrome_trace_category_filter
from telemetry.web_perf import timeline_based_measurement
import page_sets
@benchmark.Info(
emails=[
'yuhengh@chromium.org', 'tluk@chromium.org'
],
component='UI>Browser',
documentation_url=
'https://chromium.googlesource.com/chromium/src/+/main/docs/speed/benchmark/harnesses/desktop_ui.md'
)
class DesktopUI(perf_benchmark.PerfBenchmark):
"""Desktop UI Benchmark."""
PLATFORM = 'desktop'
SUPPORTED_PLATFORM_TAGS = [platforms.DESKTOP]
SUPPORTED_PLATFORMS = [story.expectations.ALL_DESKTOP]
def CreateStorySet(self, options):
exhaustive = hasattr(options, 'story_set_should_be_exhaustive_for_test')
return page_sets.DesktopUIStorySet(exhaustive=exhaustive)
def CreateCoreTimelineBasedMeasurementOptions(self):
category_filter = chrome_trace_category_filter.ChromeTraceCategoryFilter(
filter_string='uma')
options = timeline_based_measurement.Options(category_filter)
# Add more buffer since we are opening a lot of tabs.
options.config.chrome_trace_config.SetTraceBufferSizeInKb(600 * 1024)
options.SetTimelineBasedMetrics(['umaMetric'])
return options
def SetExtraBrowserOptions(self, options):
# Make sure finch experiment is turned off for benchmarking.
options.AppendExtraBrowserArgs('--enable-benchmarking')
# UIDevtools is used for driving native UI.
options.AppendExtraBrowserArgs('--enable-ui-devtools=0')
options.AppendExtraBrowserArgs(
'--enable-features=ui-debug-tools-enable-synthetic-events')
@classmethod
def Name(cls):
return 'desktop_ui'
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