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Side by Side Diff: tools/perf/measurements/page_cycler.py

Issue 19721002: [telemetry] Add run_benchmark benchmarks for everything that runs on the bots. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: I am Maru Created 7 years, 5 months ago
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1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be 2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file. 3 # found in the LICENSE file.
4 4
5 """The page cycler measurement. 5 """The page cycler measurement.
6 6
7 This measurement registers a window load handler in which is forces a layout and 7 This measurement registers a window load handler in which is forces a layout and
8 then records the value of performance.now(). This call to now() measures the 8 then records the value of performance.now(). This call to now() measures the
9 time from navigationStart (immediately after the previous page's beforeunload 9 time from navigationStart (immediately after the previous page's beforeunload
10 event) until after the layout in the page's load event. In addition, two garbage 10 event) until after the layout in the page's load event. In addition, two garbage
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37 with open(os.path.join(os.path.dirname(__file__), 37 with open(os.path.join(os.path.dirname(__file__),
38 'page_cycler.js'), 'r') as f: 38 'page_cycler.js'), 'r') as f:
39 self._page_cycler_js = f.read() 39 self._page_cycler_js = f.read()
40 40
41 self._memory_metrics = None 41 self._memory_metrics = None
42 self._histograms = None 42 self._histograms = None
43 43
44 def AddCommandLineOptions(self, parser): 44 def AddCommandLineOptions(self, parser):
45 # The page cyclers should default to 10 iterations. In order to change the 45 # The page cyclers should default to 10 iterations. In order to change the
46 # default of an option, we must remove and re-add it. 46 # default of an option, we must remove and re-add it.
47 # TODO: Remove this after transition to run_benchmark.
47 pageset_repeat_option = parser.get_option('--pageset-repeat') 48 pageset_repeat_option = parser.get_option('--pageset-repeat')
48 pageset_repeat_option.default = 10 49 pageset_repeat_option.default = 10
49 parser.remove_option('--pageset-repeat') 50 parser.remove_option('--pageset-repeat')
50 parser.add_option(pageset_repeat_option) 51 parser.add_option(pageset_repeat_option)
51 52
52 def SetUpBrowser(self, browser): 53 def SetUpBrowser(self, browser):
53 self._memory_metrics = memory_metrics.MemoryMetrics() 54 self._memory_metrics = memory_metrics.MemoryMetrics()
54 self._memory_metrics.Start(browser) 55 self._memory_metrics.Start(browser)
55 56
56 self._histograms = [histogram_metric.HistogramMetric( 57 self._histograms = [histogram_metric.HistogramMetric(
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120 for h in self._histograms: 121 for h in self._histograms:
121 h.GetValue(page, tab, results) 122 h.GetValue(page, tab, results)
122 123
123 results.Add('page_load_time', 'ms', 124 results.Add('page_load_time', 'ms',
124 int(float(tab.EvaluateJavaScript('__pc_load_time'))), 125 int(float(tab.EvaluateJavaScript('__pc_load_time'))),
125 chart_name='times') 126 chart_name='times')
126 127
127 def DidRunPageSet(self, tab, results): 128 def DidRunPageSet(self, tab, results):
128 self._memory_metrics.StopAndGetResults(tab.browser, results) 129 self._memory_metrics.StopAndGetResults(tab.browser, results)
129 self.MeasureIO(tab, results) 130 self.MeasureIO(tab, results)
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