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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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| 771 // MetricsLog class. | 771 // MetricsLog class. |
| 772 MetricsLog* current_log = log_manager_.current_log(); | 772 MetricsLog* current_log = log_manager_.current_log(); |
| 773 DCHECK(current_log); | 773 DCHECK(current_log); |
| 774 RecordCurrentEnvironment(current_log); | 774 RecordCurrentEnvironment(current_log); |
| 775 base::TimeDelta incremental_uptime; | 775 base::TimeDelta incremental_uptime; |
| 776 base::TimeDelta uptime; | 776 base::TimeDelta uptime; |
| 777 GetUptimes(local_state_, &incremental_uptime, &uptime); | 777 GetUptimes(local_state_, &incremental_uptime, &uptime); |
| 778 current_log->RecordStabilityMetrics(metrics_providers_.get(), | 778 current_log->RecordStabilityMetrics(metrics_providers_.get(), |
| 779 incremental_uptime, uptime); | 779 incremental_uptime, uptime); |
| 780 | 780 |
| 781 current_log->RecordGeneralMetrics(metrics_providers_.get()); |
| 781 RecordCurrentHistograms(); | 782 RecordCurrentHistograms(); |
| 782 current_log->RecordGeneralMetrics(metrics_providers_.get()); | |
| 783 | 783 |
| 784 log_manager_.FinishCurrentLog(); | 784 log_manager_.FinishCurrentLog(); |
| 785 } | 785 } |
| 786 | 786 |
| 787 void MetricsService::PushPendingLogsToPersistentStorage() { | 787 void MetricsService::PushPendingLogsToPersistentStorage() { |
| 788 if (state_ < SENDING_INITIAL_STABILITY_LOG) | 788 if (state_ < SENDING_INITIAL_STABILITY_LOG) |
| 789 return; // We didn't and still don't have time to get plugin list etc. | 789 return; // We didn't and still don't have time to get plugin list etc. |
| 790 | 790 |
| 791 CloseCurrentLog(); | 791 CloseCurrentLog(); |
| 792 log_manager_.PersistUnsentLogs(); | 792 log_manager_.PersistUnsentLogs(); |
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| 998 // Histograms only get written to the current log, so make the new log current | 998 // Histograms only get written to the current log, so make the new log current |
| 999 // before writing them. | 999 // before writing them. |
| 1000 log_manager_.PauseCurrentLog(); | 1000 log_manager_.PauseCurrentLog(); |
| 1001 log_manager_.BeginLoggingWithLog(initial_metrics_log_.Pass()); | 1001 log_manager_.BeginLoggingWithLog(initial_metrics_log_.Pass()); |
| 1002 | 1002 |
| 1003 // Note: Some stability providers may record stability stats via histograms, | 1003 // Note: Some stability providers may record stability stats via histograms, |
| 1004 // so this call has to be after BeginLoggingWithLog(). | 1004 // so this call has to be after BeginLoggingWithLog(). |
| 1005 MetricsLog* current_log = log_manager_.current_log(); | 1005 MetricsLog* current_log = log_manager_.current_log(); |
| 1006 current_log->RecordStabilityMetrics(metrics_providers_.get(), | 1006 current_log->RecordStabilityMetrics(metrics_providers_.get(), |
| 1007 base::TimeDelta(), base::TimeDelta()); | 1007 base::TimeDelta(), base::TimeDelta()); |
| 1008 current_log->RecordGeneralMetrics(metrics_providers_.get()); |
| 1008 RecordCurrentHistograms(); | 1009 RecordCurrentHistograms(); |
| 1009 | 1010 |
| 1010 current_log->RecordGeneralMetrics(metrics_providers_.get()); | |
| 1011 | |
| 1012 log_manager_.FinishCurrentLog(); | 1011 log_manager_.FinishCurrentLog(); |
| 1013 log_manager_.ResumePausedLog(); | 1012 log_manager_.ResumePausedLog(); |
| 1014 | 1013 |
| 1015 // Store unsent logs, including the initial log that was just saved, so | 1014 // Store unsent logs, including the initial log that was just saved, so |
| 1016 // that they're not lost in case of a crash before upload time. | 1015 // that they're not lost in case of a crash before upload time. |
| 1017 log_manager_.PersistUnsentLogs(); | 1016 log_manager_.PersistUnsentLogs(); |
| 1018 } | 1017 } |
| 1019 | 1018 |
| 1020 void MetricsService::SendStagedLog() { | 1019 void MetricsService::SendStagedLog() { |
| 1021 DCHECK(log_manager_.has_staged_log()); | 1020 DCHECK(log_manager_.has_staged_log()); |
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| 1241 local_state_->SetBoolean(path, value); | 1240 local_state_->SetBoolean(path, value); |
| 1242 RecordCurrentState(local_state_); | 1241 RecordCurrentState(local_state_); |
| 1243 } | 1242 } |
| 1244 | 1243 |
| 1245 void MetricsService::RecordCurrentState(PrefService* pref) { | 1244 void MetricsService::RecordCurrentState(PrefService* pref) { |
| 1246 pref->SetInt64(metrics::prefs::kStabilityLastTimestampSec, | 1245 pref->SetInt64(metrics::prefs::kStabilityLastTimestampSec, |
| 1247 base::Time::Now().ToTimeT()); | 1246 base::Time::Now().ToTimeT()); |
| 1248 } | 1247 } |
| 1249 | 1248 |
| 1250 } // namespace metrics | 1249 } // namespace metrics |
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