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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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557 | 557 |
558 void MetricsService::InitializeMetricsState() { | 558 void MetricsService::InitializeMetricsState() { |
559 local_state_->SetString(metrics::prefs::kStabilityStatsVersion, | 559 local_state_->SetString(metrics::prefs::kStabilityStatsVersion, |
560 client_->GetVersionString()); | 560 client_->GetVersionString()); |
561 local_state_->SetInt64(metrics::prefs::kStabilityStatsBuildTime, | 561 local_state_->SetInt64(metrics::prefs::kStabilityStatsBuildTime, |
562 MetricsLog::GetBuildTime()); | 562 MetricsLog::GetBuildTime()); |
563 | 563 |
564 log_manager_.LoadPersistedUnsentLogs(); | 564 log_manager_.LoadPersistedUnsentLogs(); |
565 | 565 |
566 session_id_ = local_state_->GetInteger(metrics::prefs::kMetricsSessionID); | 566 session_id_ = local_state_->GetInteger(metrics::prefs::kMetricsSessionID); |
567 | 567 bool exited_cleanly = true; |
568 if (!local_state_->GetBoolean(metrics::prefs::kStabilityExitedCleanly)) { | 568 if (!local_state_->GetBoolean(metrics::prefs::kStabilityExitedCleanly)) { |
569 IncrementPrefValue(metrics::prefs::kStabilityCrashCount); | 569 IncrementPrefValue(metrics::prefs::kStabilityCrashCount); |
570 // Reset flag, and wait until we call LogNeedForCleanShutdown() before | 570 // Reset flag, and wait until we call LogNeedForCleanShutdown() before |
571 // monitoring. | 571 // monitoring. |
572 local_state_->SetBoolean(metrics::prefs::kStabilityExitedCleanly, true); | 572 local_state_->SetBoolean(metrics::prefs::kStabilityExitedCleanly, true); |
| 573 exited_cleanly = false; |
| 574 } |
573 | 575 |
| 576 if (!exited_cleanly || ProvidersHaveStabilityMetrics()) { |
574 // TODO(rtenneti): On windows, consider saving/getting execution_phase from | 577 // TODO(rtenneti): On windows, consider saving/getting execution_phase from |
575 // the registry. | 578 // the registry. |
576 int execution_phase = | 579 int execution_phase = |
577 local_state_->GetInteger(metrics::prefs::kStabilityExecutionPhase); | 580 local_state_->GetInteger(metrics::prefs::kStabilityExecutionPhase); |
578 UMA_HISTOGRAM_SPARSE_SLOWLY("Chrome.Browser.CrashedExecutionPhase", | 581 UMA_HISTOGRAM_SPARSE_SLOWLY("Chrome.Browser.CrashedExecutionPhase", |
579 execution_phase); | 582 execution_phase); |
580 | 583 |
581 // If the previous session didn't exit cleanly, then prepare an initial | 584 // If the previous session didn't exit cleanly, or if any provider |
582 // stability log if UMA is enabled. | 585 // explicitly requests it, prepare an initial stability log - |
| 586 // provided UMA is enabled. |
583 if (state_manager_->IsMetricsReportingEnabled()) | 587 if (state_manager_->IsMetricsReportingEnabled()) |
584 PrepareInitialStabilityLog(); | 588 PrepareInitialStabilityLog(); |
585 } | 589 } |
586 | 590 |
587 // Update session ID. | 591 // Update session ID. |
588 ++session_id_; | 592 ++session_id_; |
589 local_state_->SetInteger(metrics::prefs::kMetricsSessionID, session_id_); | 593 local_state_->SetInteger(metrics::prefs::kMetricsSessionID, session_id_); |
590 | 594 |
591 // Stability bookkeeping | 595 // Stability bookkeeping |
592 IncrementPrefValue(metrics::prefs::kStabilityLaunchCount); | 596 IncrementPrefValue(metrics::prefs::kStabilityLaunchCount); |
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889 break; | 893 break; |
890 | 894 |
891 default: | 895 default: |
892 NOTREACHED(); | 896 NOTREACHED(); |
893 return; | 897 return; |
894 } | 898 } |
895 | 899 |
896 DCHECK(log_manager_.has_staged_log()); | 900 DCHECK(log_manager_.has_staged_log()); |
897 } | 901 } |
898 | 902 |
| 903 bool MetricsService::ProvidersHaveStabilityMetrics() { |
| 904 // Check whether any metrics provider has stability metrics. |
| 905 for (size_t i = 0; i < metrics_providers_.size(); ++i) { |
| 906 if (metrics_providers_[i]->HasStabilityMetrics()) |
| 907 return true; |
| 908 } |
| 909 |
| 910 return false; |
| 911 } |
| 912 |
899 void MetricsService::PrepareInitialStabilityLog() { | 913 void MetricsService::PrepareInitialStabilityLog() { |
900 DCHECK_EQ(INITIALIZED, state_); | 914 DCHECK_EQ(INITIALIZED, state_); |
901 DCHECK_NE(0, local_state_->GetInteger(metrics::prefs::kStabilityCrashCount)); | |
902 | 915 |
903 scoped_ptr<MetricsLog> initial_stability_log( | 916 scoped_ptr<MetricsLog> initial_stability_log( |
904 CreateLog(MetricsLog::INITIAL_STABILITY_LOG)); | 917 CreateLog(MetricsLog::INITIAL_STABILITY_LOG)); |
905 | 918 |
906 // Do not call NotifyOnDidCreateMetricsLog here because the stability | 919 // Do not call NotifyOnDidCreateMetricsLog here because the stability |
907 // log describes stats from the _previous_ session. | 920 // log describes stats from the _previous_ session. |
908 | 921 |
909 if (!initial_stability_log->LoadSavedEnvironmentFromPrefs()) | 922 if (!initial_stability_log->LoadSavedEnvironmentFromPrefs()) |
910 return; | 923 return; |
911 | 924 |
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1176 local_state_->SetBoolean(path, value); | 1189 local_state_->SetBoolean(path, value); |
1177 RecordCurrentState(local_state_); | 1190 RecordCurrentState(local_state_); |
1178 } | 1191 } |
1179 | 1192 |
1180 void MetricsService::RecordCurrentState(PrefService* pref) { | 1193 void MetricsService::RecordCurrentState(PrefService* pref) { |
1181 pref->SetInt64(metrics::prefs::kStabilityLastTimestampSec, | 1194 pref->SetInt64(metrics::prefs::kStabilityLastTimestampSec, |
1182 base::Time::Now().ToTimeT()); | 1195 base::Time::Now().ToTimeT()); |
1183 } | 1196 } |
1184 | 1197 |
1185 } // namespace metrics | 1198 } // namespace metrics |
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