shaka-packager/tools/perf/benchmarks/kraken.py

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# 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.
"""Runs Mozilla's Kraken JavaScript benchmark."""
import os
from telemetry import test
from telemetry.core import util
from telemetry.page import page_measurement
from telemetry.page import page_set
def _Mean(l):
return float(sum(l)) / len(l) if len(l) > 0 else 0.0
class KrakenMeasurement(page_measurement.PageMeasurement):
def MeasurePage(self, _, tab, results):
js_is_done = """
document.title.indexOf("Results") != -1 && document.readyState == "complete"
"""
def _IsDone():
return bool(tab.EvaluateJavaScript(js_is_done))
util.WaitFor(_IsDone, 500, poll_interval=5)
js_get_results = """
var formElement = document.getElementsByTagName("input")[0];
decodeURIComponent(formElement.value.split("?")[1]);
"""
result_dict = eval(tab.EvaluateJavaScript(js_get_results))
total = 0
for key in result_dict:
if key == 'v':
continue
results.Add(key, 'ms', result_dict[key], data_type='unimportant')
total += _Mean(result_dict[key])
results.Add('Total', 'ms', total)
class Kraken(test.Test):
"""Mozilla's Kraken JavaScript benchmark."""
test = KrakenMeasurement
def CreatePageSet(self, options):
return page_set.PageSet.FromDict({
'archive_data_file': '../data/kraken.json',
'pages': [
{ 'url': 'http://krakenbenchmark.mozilla.org/kraken-1.1/driver.html' }
]
}, os.path.abspath(__file__))