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# Copyright 2015 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
def CreateCoreTimelineBasedMemoryMeasurementOptions():
"""Creates necessary TBM options for measuring memory usage.
Separated out so that code can be re-used in other benchmarks.
"""
# Enable only memory-infra, to get memory dumps, and blink.console, to get
# the timeline markers used for mapping threads to tabs.
trace_memory = chrome_trace_category_filter.ChromeTraceCategoryFilter(
filter_string='-*,blink.console,disabled-by-default-memory-infra')
tbm_options = timeline_based_measurement.Options(
overhead_level=trace_memory)
tbm_options.config.enable_android_graphics_memtrack = True
tbm_options.SetTimelineBasedMetrics(['memoryMetric'])
# Setting an empty memory dump config disables periodic dumps.
tbm_options.config.chrome_trace_config.SetMemoryDumpConfig(
chrome_trace_config.MemoryDumpConfig())
return tbm_options
def SetExtraBrowserOptionsForMemoryMeasurement(options):
"""Sets extra browser args necessary for measuring memory usage.
Separated out so that code can be re-used in other benchmarks.
"""
# Just before we measure memory we flush the system caches
# unfortunately this doesn't immediately take effect, instead
# the next page run is effected. Due to this the first page run
# has anomalous results. This option causes us to flush caches
# each time before Chrome starts so we effect even the first page
# - avoiding the bug.
options.flush_os_page_caches_on_start = True
@benchmark.Info(emails=['lizeb@chromium.org'])
class MemoryBenchmarkDesktop(perf_benchmark.PerfBenchmark):
"""Measure memory usage on synthetic sites."""
options = {'pageset_repeat': 5}
# TODO(johnchen): Remove either the SUPPORTED_PLATFORMS or
# SUPPORTED_PLATFORMS_TAGS lists. Only one is necessary.
SUPPORTED_PLATFORMS = [story.expectations.ALL_DESKTOP]
SUPPORTED_PLATFORM_TAGS = [platforms.DESKTOP]
def CreateCoreTimelineBasedMeasurementOptions(self):
return CreateCoreTimelineBasedMemoryMeasurementOptions()
def SetExtraBrowserOptions(self, options):
SetExtraBrowserOptionsForMemoryMeasurement(options)
def CreateStorySet(self, options):
story_set = page_sets.TrivialSitesStorySet(wait_in_seconds=0,
measure_memory=True)
for page in page_sets.WebWorkerStorySet(measure_memory=True):
story_set.AddStory(page)
return story_set
@classmethod
def Name(cls):
return 'memory.desktop'
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