blob: e23113445debda915ede4c72323cb2e282c990ae [file] [log] [blame]
# Copyright (c) 2012 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 telemetry import multi_page_benchmark
from telemetry import util
class ImageDecoding(multi_page_benchmark.MultiPageBenchmark):
def MeasurePage(self, _, tab, results):
def _IsDone():
return tab.runtime.Evaluate('isDone')
with tab.timeline.Recorder(tab.timeline):
util.WaitFor(_IsDone, 60)
iterations = tab.runtime.Evaluate('minIterations')
decode_image = tab.timeline.timeline_events.GetAllOfType('DecodeImage')
elapsed_times = [d.elapsed_time for d in decode_image[-iterations:]]
if not elapsed_times:
results.Add('ImageDecoding_avg', 'ms', 'unsupported')
image_decoding_avg = sum(elapsed_times) / len(elapsed_times)
results.Add('ImageDecoding_avg', 'ms', image_decoding_avg)