tools/perf/benchmarks/blob_storage.py

   1 # Copyright 2015 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 from core import perf_benchmark
   6
   7 from telemetry import benchmark
   8 from telemetry.timeline import tracing_category_filter
   9 from telemetry.web_perf import timeline_based_measurement
  10
  11 import page_sets
  12
  13
  14 BLOB_CATEGORY = 'Blob'
  15 TIMELINE_REQUIRED_CATEGORY = 'blink.console'
  16
  17
  18 @benchmark.Disabled  # http://crbug.com/510815
  19 #@benchmark.Disabled('reference',  # http://crbug.com/496155
  20 #                    'android')    # http://crbug.com/499325
  21 class BlobStorage(perf_benchmark.PerfBenchmark):
  22   """Timeline based measurement benchmark for Blob Storage."""
  23
  24   page_set = page_sets.BlobWorkshopPageSet
  25
  26   def CreateTimelineBasedMeasurementOptions(self):
  27     cat_filter = tracing_category_filter.CreateMinimalOverheadFilter()
  28     cat_filter.AddIncludedCategory(BLOB_CATEGORY)
  29     cat_filter.AddIncludedCategory(TIMELINE_REQUIRED_CATEGORY)
  30
  31     return timeline_based_measurement.Options(
  32         overhead_level=cat_filter)
  33
  34   @classmethod
  35   def Name(cls):
  36     return 'blob_storage.blob_storage'
  37
  38   @classmethod
  39   def ValueCanBeAddedPredicate(cls, value, is_first_result):
  40     if ('blob-writes' not in value.name and
  41         'blob-reads' not in value.name):
  42       return False
  43     return value.values != None