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

Issue 714273004: mac: Expose keychain access frequency to Telemetry. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@mock_keychain_sleep
Patch Set: Comments from dtu. Created 6 years ago
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1 # Copyright 2013 The Chromium Authors. All rights reserved. 1 # Copyright 2013 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 tab switching measurement. 5 """The tab switching measurement.
6 6
7 This measurement opens pages in different tabs. After all the tabs have opened, 7 This measurement opens pages in different tabs. After all the tabs have opened,
8 it cycles through each tab in sequence, and records a histogram of the time 8 it cycles through each tab in sequence, and records a histogram of the time
9 between when a tab was first requested to be shown, and when it was painted. 9 between when a tab was first requested to be shown, and when it was painted.
10 Power usage is also measured. 10 Power usage is also measured.
11 """ 11 """
12 12
13 import time 13 import time
14 14
15 from metrics import keychain_metric
15 from metrics import power 16 from metrics import power
16 from telemetry.core import util 17 from telemetry.core import util
17 from telemetry.page import page_test 18 from telemetry.page import page_test
18 from telemetry.value import histogram 19 from telemetry.value import histogram
19 from telemetry.value import histogram_util 20 from telemetry.value import histogram_util
20 21
21 # TODO: Revisit this test once multitab support is finalized. 22 # TODO: Revisit this test once multitab support is finalized.
22 23
23 class TabSwitching(page_test.PageTest): 24 class TabSwitching(page_test.PageTest):
24 25
25 # Amount of time to measure, in seconds. 26 # Amount of time to measure, in seconds.
26 SAMPLE_TIME = 30 27 SAMPLE_TIME = 30
27 28
28 def __init__(self): 29 def __init__(self):
29 super(TabSwitching, self).__init__() 30 super(TabSwitching, self).__init__()
30 self._first_page_in_pageset = True 31 self._first_page_in_pageset = True
31 self._power_metric = None 32 self._power_metric = None
32 33
33 def CustomizeBrowserOptions(self, options): 34 def CustomizeBrowserOptions(self, options):
35 keychain_metric.KeychainMetric.CustomizeBrowserOptionsMac(options)
36
34 options.AppendExtraBrowserArgs([ 37 options.AppendExtraBrowserArgs([
35 '--enable-stats-collection-bindings' 38 '--enable-stats-collection-bindings'
36 ]) 39 ])
37 # Enable background networking so we can test its impact on power usage. 40 # Enable background networking so we can test its impact on power usage.
38 options.disable_background_networking = False 41 options.disable_background_networking = False
39 power.PowerMetric.CustomizeBrowserOptions(options) 42 power.PowerMetric.CustomizeBrowserOptions(options)
40 43
41 def WillStartBrowser(self, platform): 44 def WillStartBrowser(self, platform):
42 self._first_page_in_pageset = True 45 self._first_page_in_pageset = True
43 self._power_metric = power.PowerMetric(platform, TabSwitching.SAMPLE_TIME) 46 self._power_metric = power.PowerMetric(platform, TabSwitching.SAMPLE_TIME)
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after
92 95
93 last_histogram = histogram_util.GetHistogram( 96 last_histogram = histogram_util.GetHistogram(
94 histogram_type, histogram_name, tab) 97 histogram_type, histogram_name, tab)
95 diff_histogram = histogram_util.SubtractHistogram(last_histogram, 98 diff_histogram = histogram_util.SubtractHistogram(last_histogram,
96 first_histogram) 99 first_histogram)
97 100
98 results.AddSummaryValue( 101 results.AddSummaryValue(
99 histogram.HistogramValue(None, display_name, 'ms', 102 histogram.HistogramValue(None, display_name, 'ms',
100 raw_value_json=diff_histogram, 103 raw_value_json=diff_histogram,
101 important=False)) 104 important=False))
105
106 keychain_metric.KeychainMetric().AddResultsMac(tab, results)
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