# Copyright 2014 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.timeline import chrome_trace_config
from telemetry.web_perf import timeline_based_measurement
import page_sets
# TODO(rnephew): Revisit the re-enabled benchmarks on Wed, Aug 8 2017.
class _MediaBenchmark(perf_benchmark.PerfBenchmark):
"""Base class for TBMv2-based media benchmarks (MediaDesktop and
MediaMobile)."""
def CreateCoreTimelineBasedMeasurementOptions(self):
category_filter = chrome_trace_category_filter.ChromeTraceCategoryFilter()
# 'toplevel' category provides CPU time slices used by # cpuTimeMetric.
category_filter.AddIncludedCategory('toplevel')
# Collect media related events required by mediaMetric.
category_filter.AddIncludedCategory('media')
# Collect memory data.
category_filter.AddDisabledByDefault('disabled-by-default-memory-infra')
options = timeline_based_measurement.Options(category_filter)
options.config.enable_android_graphics_memtrack = True
# Setting an empty memory dump config disables periodic dumps.
options.config.chrome_trace_config.SetMemoryDumpConfig(
chrome_trace_config.MemoryDumpConfig())
# Note that memoryMetric is added using GetExtraTracingMetrics() for
# certain stories.
options.SetTimelineBasedMetrics(['mediaMetric', 'cpuTimeMetric'])
return options
def SetExtraBrowserOptions(self, options):
# bf-cache messes with the time_to_play numbers when we do several runs
# in a row. More info crbug.com/1309294
options.AppendExtraBrowserArgs('--disable-features=BackForwardCache')
@benchmark.Info(emails=['[email protected]'],
component='Internals>Media',
documentation_url='https://chromium.googlesource.com/chromium/src/+/main/docs/speed/benchmark/harnesses/media.md') # pylint: disable=line-too-long
class MediaDesktop(_MediaBenchmark):
"""Obtains media performance for key user scenarios on desktop."""
# TODO(johnchen): Remove either the SUPPORTED_PLATFORMS or
# SUPPORTED_PLATFORMS_TAGS lists. Only one is necessary.
SUPPORTED_PLATFORM_TAGS = [platforms.DESKTOP]
SUPPORTED_PLATFORMS = [story.expectations.ALL_DESKTOP]
def CreateStorySet(self, options):
return page_sets.MediaCasesDesktopStorySet()
@classmethod
def Name(cls):
return 'media.desktop'
# If any story is failing on svelte, please only disable on svelte.
@benchmark.Info(emails=['[email protected]'],
component='Internals>Media',
documentation_url='https://chromium.googlesource.com/chromium/src/+/main/docs/speed/benchmark/harnesses/media.md') # pylint: disable=line-too-long
class MediaMobile(_MediaBenchmark):
"""Obtains media performance for key user scenarios on mobile devices."""
# TODO(johnchen): Remove either the SUPPORTED_PLATFORMS or
# SUPPORTED_PLATFORMS_TAGS lists. Only one is necessary.
SUPPORTED_PLATFORM_TAGS = [
platforms.ANDROID_NOT_WEBVIEW, platforms.FUCHSIA_ASTRO,
platforms.FUCHSIA_SHERLOCK
]
SUPPORTED_PLATFORMS = [
story.expectations.ANDROID_NOT_WEBVIEW, story.expectations.FUCHSIA_ASTRO,
story.expectations.FUCHSIA_SHERLOCK
]
def CreateStorySet(self, options):
return page_sets.MediaCasesMobileStorySet()
@classmethod
def Name(cls):
return 'media.mobile'
def SetExtraBrowserOptions(self, options):
super(MediaMobile, self).SetExtraBrowserOptions(options)
# By default, Chrome on Android does not allow autoplay
# of media: it requires a user gesture event to start a video.
# The following option works around that.
options.AppendExtraBrowserArgs(
['--autoplay-policy=no-user-gesture-required'])
# Force online state for the offline indicator so it doesn't show and affect
# the benchmarks on bots, which are offline by default.
options.AppendExtraBrowserArgs(
'--force-online-connection-state-for-indicator')
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