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# Copyright 2015 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 core import perf_benchmark
from telemetry import benchmark
from telemetry.timeline import tracing_category_filter
from telemetry.web_perf import timeline_based_measurement
import page_sets
BLOB_CATEGORY = 'Blob'
TIMELINE_REQUIRED_CATEGORY = 'blink.console'
@benchmark.Disabled # http://crbug.com/510815
#@benchmark.Disabled('reference', # http://crbug.com/496155
# 'android') # http://crbug.com/499325
class BlobStorage(perf_benchmark.PerfBenchmark):
"""Timeline based measurement benchmark for Blob Storage."""
page_set = page_sets.BlobWorkshopPageSet
def CreateTimelineBasedMeasurementOptions(self):
cat_filter = tracing_category_filter.CreateMinimalOverheadFilter()
cat_filter.AddIncludedCategory(BLOB_CATEGORY)
cat_filter.AddIncludedCategory(TIMELINE_REQUIRED_CATEGORY)
return timeline_based_measurement.Options(
overhead_level=cat_filter)
@classmethod
def Name(cls):
return 'blob_storage.blob_storage'
@classmethod
def ValueCanBeAddedPredicate(cls, value, is_first_result):
if ('blob-writes' not in value.name and
'blob-reads' not in value.name):
return False
return value.values != None
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