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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 //------------------------------------------------------------------------------ | 5 //------------------------------------------------------------------------------ |
6 // Description of the life cycle of a instance of MetricsService. | 6 // Description of the life cycle of a instance of MetricsService. |
7 // | 7 // |
8 // OVERVIEW | 8 // OVERVIEW |
9 // | 9 // |
10 // A MetricsService instance is typically created at application startup. It is | 10 // A MetricsService instance is typically created at application startup. It is |
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1136 GetSyntheticFieldTrialsOlderThan(log->creation_time(), &synthetic_trials); | 1136 GetSyntheticFieldTrialsOlderThan(log->creation_time(), &synthetic_trials); |
1137 log->RecordEnvironment(metrics_providers_.get(), synthetic_trials, | 1137 log->RecordEnvironment(metrics_providers_.get(), synthetic_trials, |
1138 GetInstallDate(), GetMetricsReportingEnabledDate()); | 1138 GetInstallDate(), GetMetricsReportingEnabledDate()); |
1139 } | 1139 } |
1140 | 1140 |
1141 void MetricsService::RecordCurrentHistograms() { | 1141 void MetricsService::RecordCurrentHistograms() { |
1142 DCHECK(log_manager_.current_log()); | 1142 DCHECK(log_manager_.current_log()); |
1143 histogram_snapshot_manager_.StartDeltas(); | 1143 histogram_snapshot_manager_.StartDeltas(); |
1144 // "true" to the begin() call indicates that StatisticsRecorder should include | 1144 // "true" to the begin() call indicates that StatisticsRecorder should include |
1145 // histograms held in persistent storage. | 1145 // histograms held in persistent storage. |
1146 auto end = base::StatisticsRecorder::end(); | 1146 histogram_snapshot_manager_.PrepareDeltasWithoutStartFinish( |
1147 for (auto it = base::StatisticsRecorder::begin(true); it != end; ++it) { | 1147 base::StatisticsRecorder::begin(true), base::StatisticsRecorder::end(), |
1148 if ((*it)->flags() & base::Histogram::kUmaTargetedHistogramFlag) | 1148 base::Histogram::kNoFlags, base::Histogram::kUmaTargetedHistogramFlag); |
1149 histogram_snapshot_manager_.PrepareDelta(*it); | |
1150 } | |
1151 for (MetricsProvider* provider : metrics_providers_) | 1149 for (MetricsProvider* provider : metrics_providers_) |
1152 provider->RecordHistogramSnapshots(&histogram_snapshot_manager_); | 1150 provider->RecordHistogramSnapshots(&histogram_snapshot_manager_); |
1153 histogram_snapshot_manager_.FinishDeltas(); | 1151 histogram_snapshot_manager_.FinishDeltas(); |
1154 } | 1152 } |
1155 | 1153 |
1156 void MetricsService::RecordCurrentStabilityHistograms() { | 1154 void MetricsService::RecordCurrentStabilityHistograms() { |
1157 DCHECK(log_manager_.current_log()); | 1155 DCHECK(log_manager_.current_log()); |
| 1156 histogram_snapshot_manager_.StartDeltas(); |
1158 // "true" indicates that StatisticsRecorder should include histograms in | 1157 // "true" indicates that StatisticsRecorder should include histograms in |
1159 // persistent storage. | 1158 // persistent storage. |
1160 histogram_snapshot_manager_.PrepareDeltas( | 1159 histogram_snapshot_manager_.PrepareDeltasWithoutStartFinish( |
1161 base::StatisticsRecorder::begin(true), base::StatisticsRecorder::end(), | 1160 base::StatisticsRecorder::begin(true), base::StatisticsRecorder::end(), |
1162 base::Histogram::kNoFlags, base::Histogram::kUmaStabilityHistogramFlag); | 1161 base::Histogram::kNoFlags, base::Histogram::kUmaStabilityHistogramFlag); |
| 1162 for (MetricsProvider* provider : metrics_providers_) |
| 1163 provider->RecordInitialHistogramSnapshots(&histogram_snapshot_manager_); |
| 1164 histogram_snapshot_manager_.FinishDeltas(); |
1163 } | 1165 } |
1164 | 1166 |
1165 void MetricsService::LogCleanShutdown() { | 1167 void MetricsService::LogCleanShutdown() { |
1166 // Redundant setting to assure that we always reset this value at shutdown | 1168 // Redundant setting to assure that we always reset this value at shutdown |
1167 // (and that we don't use some alternate path, and not call LogCleanShutdown). | 1169 // (and that we don't use some alternate path, and not call LogCleanShutdown). |
1168 clean_shutdown_status_ = CLEANLY_SHUTDOWN; | 1170 clean_shutdown_status_ = CLEANLY_SHUTDOWN; |
1169 | 1171 |
1170 clean_exit_beacon_.WriteBeaconValue(true); | 1172 clean_exit_beacon_.WriteBeaconValue(true); |
1171 RecordCurrentState(local_state_); | 1173 RecordCurrentState(local_state_); |
1172 local_state_->SetInteger(prefs::kStabilityExecutionPhase, | 1174 local_state_->SetInteger(prefs::kStabilityExecutionPhase, |
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1191 base::Time::Now().ToTimeT()); | 1193 base::Time::Now().ToTimeT()); |
1192 } | 1194 } |
1193 | 1195 |
1194 void MetricsService::SkipAndDiscardUpload() { | 1196 void MetricsService::SkipAndDiscardUpload() { |
1195 log_manager_.DiscardStagedLog(); | 1197 log_manager_.DiscardStagedLog(); |
1196 scheduler_->UploadCancelled(); | 1198 scheduler_->UploadCancelled(); |
1197 log_upload_in_progress_ = false; | 1199 log_upload_in_progress_ = false; |
1198 } | 1200 } |
1199 | 1201 |
1200 } // namespace metrics | 1202 } // namespace metrics |
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