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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 #include "components/sync_driver/startup_controller.h" | 5 #include "components/sync/driver/startup_controller.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/location.h" | 10 #include "base/location.h" |
11 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" |
12 #include "base/single_thread_task_runner.h" | 12 #include "base/single_thread_task_runner.h" |
13 #include "base/strings/string_number_conversions.h" | 13 #include "base/strings/string_number_conversions.h" |
14 #include "base/threading/thread_task_runner_handle.h" | 14 #include "base/threading/thread_task_runner_handle.h" |
15 #include "components/sync_driver/sync_driver_switches.h" | 15 #include "components/sync/driver/sync_driver_switches.h" |
16 #include "components/sync_driver/sync_prefs.h" | 16 #include "components/sync/driver/sync_prefs.h" |
17 | 17 |
18 namespace browser_sync { | 18 namespace browser_sync { |
19 | 19 |
20 namespace { | 20 namespace { |
21 | 21 |
22 // The amount of time we'll wait to initialize sync if no data type triggers | 22 // The amount of time we'll wait to initialize sync if no data type triggers |
23 // initialization via a StartSyncFlare. | 23 // initialization via a StartSyncFlare. |
24 const int kDeferredInitFallbackSeconds = 10; | 24 const int kDeferredInitFallbackSeconds = 10; |
25 | 25 |
26 // Enum (for UMA, primarily) defining different events that cause us to | 26 // Enum (for UMA, primarily) defining different events that cause us to |
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138 | 138 |
139 bool StartupController::TryStartImmediately() { | 139 bool StartupController::TryStartImmediately() { |
140 received_start_request_ = true; | 140 received_start_request_ = true; |
141 bypass_setup_complete_ = true; | 141 bypass_setup_complete_ = true; |
142 return TryStart(); | 142 return TryStart(); |
143 } | 143 } |
144 | 144 |
145 void StartupController::RecordTimeDeferred() { | 145 void StartupController::RecordTimeDeferred() { |
146 DCHECK(!start_up_time_.is_null()); | 146 DCHECK(!start_up_time_.is_null()); |
147 base::TimeDelta time_deferred = base::Time::Now() - start_up_time_; | 147 base::TimeDelta time_deferred = base::Time::Now() - start_up_time_; |
148 UMA_HISTOGRAM_CUSTOM_TIMES("Sync.Startup.TimeDeferred2", | 148 UMA_HISTOGRAM_CUSTOM_TIMES("Sync.Startup.TimeDeferred2", time_deferred, |
149 time_deferred, | 149 base::TimeDelta::FromSeconds(0), |
150 base::TimeDelta::FromSeconds(0), | 150 base::TimeDelta::FromMinutes(2), 60); |
151 base::TimeDelta::FromMinutes(2), | |
152 60); | |
153 } | 151 } |
154 | 152 |
155 void StartupController::OnFallbackStartupTimerExpired() { | 153 void StartupController::OnFallbackStartupTimerExpired() { |
156 DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch( | 154 DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch( |
157 switches::kSyncDisableDeferredStartup)); | 155 switches::kSyncDisableDeferredStartup)); |
158 | 156 |
159 if (!start_backend_time_.is_null()) | 157 if (!start_backend_time_.is_null()) |
160 return; | 158 return; |
161 | 159 |
162 DVLOG(2) << "Sync deferred init fallback timer expired, starting backend."; | 160 DVLOG(2) << "Sync deferred init fallback timer expired, starting backend."; |
163 RecordTimeDeferred(); | 161 RecordTimeDeferred(); |
164 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.DeferredInitTrigger", | 162 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.DeferredInitTrigger", |
165 TRIGGER_FALLBACK_TIMER, | 163 TRIGGER_FALLBACK_TIMER, MAX_TRIGGER_VALUE); |
166 MAX_TRIGGER_VALUE); | |
167 received_start_request_ = true; | 164 received_start_request_ = true; |
168 TryStart(); | 165 TryStart(); |
169 } | 166 } |
170 | 167 |
171 std::string StartupController::GetBackendInitializationStateString() const { | 168 std::string StartupController::GetBackendInitializationStateString() const { |
172 if (!start_backend_time_.is_null()) | 169 if (!start_backend_time_.is_null()) |
173 return "Started"; | 170 return "Started"; |
174 else if (!start_up_time_.is_null()) | 171 else if (!start_up_time_.is_null()) |
175 return "Deferred"; | 172 return "Deferred"; |
176 else | 173 else |
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192 << syncer::ModelTypeToString(type); | 189 << syncer::ModelTypeToString(type); |
193 // Measure the time spent waiting for init and the type that triggered it. | 190 // Measure the time spent waiting for init and the type that triggered it. |
194 // We could measure the time spent deferred on a per-datatype basis, but | 191 // We could measure the time spent deferred on a per-datatype basis, but |
195 // for now this is probably sufficient. | 192 // for now this is probably sufficient. |
196 if (!start_up_time_.is_null()) { | 193 if (!start_up_time_.is_null()) { |
197 RecordTimeDeferred(); | 194 RecordTimeDeferred(); |
198 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.TypeTriggeringInit", | 195 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.TypeTriggeringInit", |
199 ModelTypeToHistogramInt(type), | 196 ModelTypeToHistogramInt(type), |
200 syncer::MODEL_TYPE_COUNT); | 197 syncer::MODEL_TYPE_COUNT); |
201 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.DeferredInitTrigger", | 198 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.DeferredInitTrigger", |
202 TRIGGER_DATA_TYPE_REQUEST, | 199 TRIGGER_DATA_TYPE_REQUEST, MAX_TRIGGER_VALUE); |
203 MAX_TRIGGER_VALUE); | |
204 } | 200 } |
205 received_start_request_ = true; | 201 received_start_request_ = true; |
206 TryStart(); | 202 TryStart(); |
207 } | 203 } |
208 | 204 |
209 } // namespace browser_sync | 205 } // namespace browser_sync |
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