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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) |
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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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