OLD | NEW |
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // Windows Timer Primer | 6 // Windows Timer Primer |
7 // | 7 // |
8 // A good article: http://www.ddj.com/windows/184416651 | 8 // A good article: http://www.ddj.com/windows/184416651 |
9 // A good mozilla bug: http://bugzilla.mozilla.org/show_bug.cgi?id=363258 | 9 // A good mozilla bug: http://bugzilla.mozilla.org/show_bug.cgi?id=363258 |
10 // | 10 // |
(...skipping 418 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
429 TimeTicks TimeTicks::Now() { | 429 TimeTicks TimeTicks::Now() { |
430 return TimeTicks() + RolloverProtectedNow(); | 430 return TimeTicks() + RolloverProtectedNow(); |
431 } | 431 } |
432 | 432 |
433 // static | 433 // static |
434 TimeTicks TimeTicks::HighResNow() { | 434 TimeTicks TimeTicks::HighResNow() { |
435 return TimeTicks() + HighResNowSingleton::GetInstance()->Now(); | 435 return TimeTicks() + HighResNowSingleton::GetInstance()->Now(); |
436 } | 436 } |
437 | 437 |
438 // static | 438 // static |
| 439 TimeTicks TimeTicks::NowFromSystemTraceTime() { |
| 440 return HighResNow(); |
| 441 } |
| 442 |
| 443 // static |
439 int64 TimeTicks::GetQPCDriftMicroseconds() { | 444 int64 TimeTicks::GetQPCDriftMicroseconds() { |
440 return HighResNowSingleton::GetInstance()->GetQPCDriftMicroseconds(); | 445 return HighResNowSingleton::GetInstance()->GetQPCDriftMicroseconds(); |
441 } | 446 } |
442 | 447 |
443 // static | 448 // static |
444 bool TimeTicks::IsHighResClockWorking() { | 449 bool TimeTicks::IsHighResClockWorking() { |
445 return HighResNowSingleton::GetInstance()->IsUsingHighResClock(); | 450 return HighResNowSingleton::GetInstance()->IsUsingHighResClock(); |
446 } | 451 } |
OLD | NEW |