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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/performance_monitor/startup_timer.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/strings/string_number_conversions.h" | |
| 10 #include "chrome/browser/chrome_notification_types.h" | |
| 11 #include "chrome/browser/performance_monitor/database.h" | |
| 12 #include "chrome/browser/performance_monitor/performance_monitor.h" | |
| 13 #include "content/public/browser/browser_thread.h" | |
| 14 #include "content/public/browser/notification_details.h" | |
| 15 #include "content/public/browser/notification_service.h" | |
| 16 #include "content/public/browser/notification_source.h" | |
| 17 #include "content/public/browser/notification_types.h" | |
| 18 | |
| 19 namespace performance_monitor { | |
| 20 | |
| 21 namespace { | |
| 22 // Needed because Database::AddMetric is overloaded, so base::Bind doesn't work. | |
| 23 void AddMetricToDatabaseOnBackgroundThread(Database* database, | |
| 24 const Metric& metric) { | |
| 25 database->AddMetric(metric); | |
| 26 } | |
| 27 | |
| 28 } // namespace | |
| 29 | |
| 30 // static | |
| 31 StartupTimer* StartupTimer::g_startup_timer_ = NULL; | |
| 32 | |
| 33 StartupTimer::StartupTimer() : startup_begin_(base::TimeTicks::Now()), | |
| 34 startup_type_(STARTUP_NORMAL), | |
| 35 performance_monitor_initialized_(false) { | |
| 36 CHECK(!g_startup_timer_); | |
| 37 g_startup_timer_ = this; | |
| 38 | |
| 39 // We need this check because, under certain rare circumstances, | |
| 40 // NotificationService::current() will return null, and this will cause a | |
| 41 // segfault in NotificationServiceImpl::AddObserver(). Currently, this only | |
| 42 // happens as a result of the child process launched by BrowserMainTest. | |
| 43 // WarmConnectionFieldTrial_Invalid. | |
| 44 if (content::NotificationService::current()) { | |
| 45 registrar_.Add(this, chrome::NOTIFICATION_PERFORMANCE_MONITOR_INITIALIZED, | |
| 46 content::NotificationService::AllSources()); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 StartupTimer::~StartupTimer() { | |
| 51 DCHECK(this == g_startup_timer_); | |
| 52 g_startup_timer_ = NULL; | |
| 53 } | |
| 54 | |
| 55 bool StartupTimer::SignalStartupComplete(StartupType startup_type) { | |
| 56 DCHECK(elapsed_startup_time_ == base::TimeDelta()); | |
| 57 | |
| 58 startup_type_ = startup_type; | |
| 59 | |
| 60 elapsed_startup_time_ = | |
| 61 base::TimeTicks::Now() - total_pause_ - startup_begin_; | |
| 62 | |
| 63 if (performance_monitor_initialized_) | |
| 64 InsertElapsedStartupTime(); | |
| 65 | |
| 66 return true; | |
| 67 } | |
| 68 | |
| 69 // static | |
| 70 void StartupTimer::PauseTimer() { | |
| 71 // Check that the timer is not already paused. | |
| 72 DCHECK(g_startup_timer_->pause_started_ == base::TimeTicks()); | |
| 73 | |
| 74 g_startup_timer_->pause_started_ = base::TimeTicks::Now(); | |
| 75 } | |
| 76 | |
| 77 // static | |
| 78 void StartupTimer::UnpauseTimer() { | |
| 79 // Check that the timer has been paused. | |
| 80 DCHECK(g_startup_timer_->pause_started_ != base::TimeTicks()); | |
| 81 | |
| 82 g_startup_timer_->total_pause_ += base::TimeTicks::Now() - | |
| 83 g_startup_timer_->pause_started_; | |
| 84 | |
| 85 g_startup_timer_->pause_started_ = base::TimeTicks(); | |
| 86 } | |
| 87 | |
| 88 void StartupTimer::Observe(int type, | |
| 89 const content::NotificationSource& source, | |
| 90 const content::NotificationDetails& details) { | |
| 91 CHECK(type == chrome::NOTIFICATION_PERFORMANCE_MONITOR_INITIALIZED); | |
| 92 performance_monitor_initialized_ = true; | |
| 93 | |
| 94 if (PerformanceMonitor::GetInstance()->database_logging_enabled()) { | |
| 95 if (elapsed_startup_time_ != base::TimeDelta()) | |
| 96 InsertElapsedStartupTime(); | |
| 97 if (elapsed_session_restore_times_.size()) | |
| 98 InsertElapsedSessionRestoreTime(); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 // static | |
| 103 void StartupTimer::SetElapsedSessionRestoreTime( | |
| 104 const base::TimeDelta& elapsed_session_restore_time) { | |
| 105 if (PerformanceMonitor::GetInstance()->database_logging_enabled()) { | |
| 106 g_startup_timer_->elapsed_session_restore_times_.push_back( | |
| 107 elapsed_session_restore_time); | |
| 108 | |
| 109 if (g_startup_timer_->performance_monitor_initialized_) | |
| 110 g_startup_timer_->InsertElapsedSessionRestoreTime(); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 void StartupTimer::InsertElapsedStartupTime() { | |
| 115 content::BrowserThread::PostBlockingPoolSequencedTask( | |
| 116 Database::kDatabaseSequenceToken, | |
| 117 FROM_HERE, | |
| 118 base::Bind( | |
| 119 &AddMetricToDatabaseOnBackgroundThread, | |
| 120 base::Unretained(PerformanceMonitor::GetInstance()->database()), | |
| 121 Metric(startup_type_ == STARTUP_NORMAL ? METRIC_STARTUP_TIME | |
| 122 : METRIC_TEST_STARTUP_TIME, | |
| 123 base::Time::Now(), | |
| 124 static_cast<double>( | |
| 125 elapsed_startup_time_.ToInternalValue())))); | |
| 126 } | |
| 127 | |
| 128 void StartupTimer::InsertElapsedSessionRestoreTime() { | |
| 129 for (std::vector<base::TimeDelta>::const_iterator iter = | |
| 130 elapsed_session_restore_times_.begin(); | |
| 131 iter != elapsed_session_restore_times_.end(); ++iter) { | |
| 132 content::BrowserThread::PostBlockingPoolSequencedTask( | |
| 133 Database::kDatabaseSequenceToken, | |
| 134 FROM_HERE, | |
| 135 base::Bind( | |
| 136 &AddMetricToDatabaseOnBackgroundThread, | |
| 137 base::Unretained(PerformanceMonitor::GetInstance()->database()), | |
| 138 Metric(METRIC_SESSION_RESTORE_TIME, | |
| 139 base::Time::Now(), | |
| 140 static_cast<double>(iter->ToInternalValue())))); | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 } // namespace performance_monitor | |
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Chromium Code Reviews
Issue 547063003:
Remove the unmaintained performance monitor. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master