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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 #include "chrome/browser/chrome_browser_field_trials.h" | 5 #include "chrome/browser/chrome_browser_field_trials.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/feature_list.h" | 10 #include "base/feature_list.h" |
11 #include "base/files/file_util.h" | 11 #include "base/files/file_util.h" |
12 #include "base/metrics/field_trial.h" | 12 #include "base/metrics/field_trial.h" |
13 #include "base/metrics/histogram_base.h" | 13 #include "base/metrics/histogram_base.h" |
14 #include "base/metrics/histogram_macros.h" | 14 #include "base/metrics/histogram_macros.h" |
15 #include "base/metrics/persistent_histogram_allocator.h" | 15 #include "base/metrics/persistent_histogram_allocator.h" |
16 #include "base/path_service.h" | 16 #include "base/path_service.h" |
17 #include "base/strings/string_util.h" | 17 #include "base/strings/string_util.h" |
18 #include "base/time/time.h" | 18 #include "base/time/time.h" |
19 #include "build/build_config.h" | 19 #include "build/build_config.h" |
20 #include "chrome/browser/metrics/chrome_metrics_service_client.h" | 20 #include "chrome/browser/metrics/chrome_metrics_service_client.h" |
21 #include "chrome/browser/metrics/chrome_metrics_services_manager_client.h" | 21 #include "chrome/browser/metrics/chrome_metrics_services_manager_client.h" |
22 #include "chrome/browser/tracing/background_tracing_field_trial.h" | 22 #include "chrome/browser/tracing/background_tracing_field_trial.h" |
23 #include "chrome/common/channel_info.h" | 23 #include "chrome/common/channel_info.h" |
24 #include "chrome/common/chrome_paths.h" | 24 #include "chrome/common/chrome_paths.h" |
25 #include "chrome/common/chrome_switches.h" | 25 #include "chrome/common/chrome_switches.h" |
26 #include "components/metrics/metrics_pref_names.h" | 26 #include "components/metrics/metrics_pref_names.h" |
| 27 #include "components/metrics/persistent_system_profile.h" |
27 #include "components/variations/variations_associated_data.h" | 28 #include "components/variations/variations_associated_data.h" |
28 | 29 |
29 #if defined(OS_ANDROID) | 30 #if defined(OS_ANDROID) |
30 #include "chrome/browser/chrome_browser_field_trials_mobile.h" | 31 #include "chrome/browser/chrome_browser_field_trials_mobile.h" |
31 #else | 32 #else |
32 #include "chrome/browser/chrome_browser_field_trials_desktop.h" | 33 #include "chrome/browser/chrome_browser_field_trials_desktop.h" |
33 #endif | 34 #endif |
34 | 35 |
35 namespace { | 36 namespace { |
36 | 37 |
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113 // Get the allocator that was just created and report result. Exit if the | 114 // Get the allocator that was just created and report result. Exit if the |
114 // allocator could not be created. | 115 // allocator could not be created. |
115 UMA_HISTOGRAM_ENUMERATION("UMA.PersistentHistograms.InitResult", result, | 116 UMA_HISTOGRAM_ENUMERATION("UMA.PersistentHistograms.InitResult", result, |
116 INIT_RESULT_MAX); | 117 INIT_RESULT_MAX); |
117 | 118 |
118 base::GlobalHistogramAllocator* allocator = | 119 base::GlobalHistogramAllocator* allocator = |
119 base::GlobalHistogramAllocator::Get(); | 120 base::GlobalHistogramAllocator::Get(); |
120 if (!allocator) | 121 if (!allocator) |
121 return; | 122 return; |
122 | 123 |
| 124 // Store a copy of the system profile in this allocator. |
| 125 metrics::GlobalPersistentSystemProfile::GetInstance() |
| 126 ->RegisterPersistentAllocator(allocator->memory_allocator()); |
| 127 |
123 // Create tracking histograms for the allocator and record storage file. | 128 // Create tracking histograms for the allocator and record storage file. |
124 allocator->CreateTrackingHistograms( | 129 allocator->CreateTrackingHistograms( |
125 ChromeMetricsServiceClient::kBrowserMetricsName); | 130 ChromeMetricsServiceClient::kBrowserMetricsName); |
126 } | 131 } |
127 | 132 |
128 // Create a field trial to control metrics/crash sampling for Stable on | 133 // Create a field trial to control metrics/crash sampling for Stable on |
129 // Windows/Android if no variations seed was applied. | 134 // Windows/Android if no variations seed was applied. |
130 void CreateFallbackSamplingTrialIfNeeded(bool has_seed, | 135 void CreateFallbackSamplingTrialIfNeeded(bool has_seed, |
131 base::FeatureList* feature_list) { | 136 base::FeatureList* feature_list) { |
132 #if defined(OS_WIN) || defined(OS_ANDROID) | 137 #if defined(OS_WIN) || defined(OS_ANDROID) |
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165 bool has_seed, | 170 bool has_seed, |
166 base::FeatureList* feature_list) { | 171 base::FeatureList* feature_list) { |
167 CreateFallbackSamplingTrialIfNeeded(has_seed, feature_list); | 172 CreateFallbackSamplingTrialIfNeeded(has_seed, feature_list); |
168 } | 173 } |
169 | 174 |
170 void ChromeBrowserFieldTrials::InstantiateDynamicTrials() { | 175 void ChromeBrowserFieldTrials::InstantiateDynamicTrials() { |
171 // Persistent histograms must be enabled as soon as possible. | 176 // Persistent histograms must be enabled as soon as possible. |
172 InstantiatePersistentHistograms(); | 177 InstantiatePersistentHistograms(); |
173 tracing::SetupBackgroundTracingFieldTrial(); | 178 tracing::SetupBackgroundTracingFieldTrial(); |
174 } | 179 } |
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