OLD | NEW |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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/scheduler/renderer/idle_time_estimator.h" | 5 #include "components/scheduler/renderer/idle_time_estimator.h" |
6 | 6 |
7 #include "base/time/default_tick_clock.h" | 7 #include "base/time/default_tick_clock.h" |
8 | 8 |
9 namespace scheduler { | 9 namespace scheduler { |
10 | 10 |
11 IdleTimeEstimator::IdleTimeEstimator( | 11 IdleTimeEstimator::IdleTimeEstimator( |
12 const scoped_refptr<TaskQueue>& compositor_task_runner, | 12 const scoped_refptr<TaskQueue>& compositor_task_runner, |
| 13 base::TickClock* time_source, |
13 int sample_count, | 14 int sample_count, |
14 double estimation_percentile) | 15 double estimation_percentile) |
15 : compositor_task_runner_(compositor_task_runner), | 16 : compositor_task_runner_(compositor_task_runner), |
16 per_frame_compositor_task_runtime_(sample_count), | 17 per_frame_compositor_task_runtime_(sample_count), |
17 time_source_(new base::DefaultTickClock), | 18 time_source_(time_source), |
18 estimation_percentile_(estimation_percentile), | 19 estimation_percentile_(estimation_percentile), |
19 nesting_level_(0), | 20 nesting_level_(0), |
20 did_commit_(false) { | 21 did_commit_(false) { |
21 compositor_task_runner_->AddTaskObserver(this); | 22 compositor_task_runner_->AddTaskObserver(this); |
22 } | 23 } |
23 | 24 |
24 IdleTimeEstimator::~IdleTimeEstimator() { | 25 IdleTimeEstimator::~IdleTimeEstimator() { |
25 compositor_task_runner_->RemoveTaskObserver(this); | 26 compositor_task_runner_->RemoveTaskObserver(this); |
26 } | 27 } |
27 | 28 |
(...skipping 13 matching lines...) Expand all Loading... |
41 } | 42 } |
42 | 43 |
43 void IdleTimeEstimator::Clear() { | 44 void IdleTimeEstimator::Clear() { |
44 task_start_time_ = base::TimeTicks(); | 45 task_start_time_ = base::TimeTicks(); |
45 prev_commit_time_ = base::TimeTicks(); | 46 prev_commit_time_ = base::TimeTicks(); |
46 cumulative_compositor_runtime_ = base::TimeDelta(); | 47 cumulative_compositor_runtime_ = base::TimeDelta(); |
47 per_frame_compositor_task_runtime_.Clear(); | 48 per_frame_compositor_task_runtime_.Clear(); |
48 did_commit_ = false; | 49 did_commit_ = false; |
49 } | 50 } |
50 | 51 |
51 void IdleTimeEstimator::SetTimeSourceForTesting( | |
52 scoped_ptr<base::TickClock> time_source) { | |
53 time_source_ = time_source.Pass(); | |
54 } | |
55 | |
56 void IdleTimeEstimator::WillProcessTask(const base::PendingTask& pending_task) { | 52 void IdleTimeEstimator::WillProcessTask(const base::PendingTask& pending_task) { |
57 nesting_level_++; | 53 nesting_level_++; |
58 if (nesting_level_ == 1) | 54 if (nesting_level_ == 1) |
59 task_start_time_ = time_source_->NowTicks(); | 55 task_start_time_ = time_source_->NowTicks(); |
60 } | 56 } |
61 | 57 |
62 void IdleTimeEstimator::DidProcessTask(const base::PendingTask& pending_task) { | 58 void IdleTimeEstimator::DidProcessTask(const base::PendingTask& pending_task) { |
63 nesting_level_--; | 59 nesting_level_--; |
64 DCHECK_GE(nesting_level_, 0); | 60 DCHECK_GE(nesting_level_, 0); |
65 if (nesting_level_ != 0) | 61 if (nesting_level_ != 0) |
66 return; | 62 return; |
67 | 63 |
68 cumulative_compositor_runtime_ += time_source_->NowTicks() - task_start_time_; | 64 cumulative_compositor_runtime_ += time_source_->NowTicks() - task_start_time_; |
69 | 65 |
70 if (did_commit_) { | 66 if (did_commit_) { |
71 per_frame_compositor_task_runtime_.InsertSample( | 67 per_frame_compositor_task_runtime_.InsertSample( |
72 cumulative_compositor_runtime_); | 68 cumulative_compositor_runtime_); |
73 cumulative_compositor_runtime_ = base::TimeDelta(); | 69 cumulative_compositor_runtime_ = base::TimeDelta(); |
74 did_commit_ = false; | 70 did_commit_ = false; |
75 } | 71 } |
76 } | 72 } |
77 | 73 |
78 } // namespace scheduler | 74 } // namespace scheduler |
OLD | NEW |