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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/scheduler/renderer/renderer_scheduler.h" | 5 #include "components/scheduler/renderer/renderer_scheduler.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/feature_list.h" | 8 #include "base/feature_list.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "base/metrics/field_trial.h" | 10 #include "base/metrics/field_trial.h" |
11 #include "base/time/default_tick_clock.h" | 11 #include "base/time/default_tick_clock.h" |
12 #include "base/trace_event/trace_event.h" | 12 #include "base/trace_event/trace_event.h" |
13 #include "base/trace_event/trace_event_impl.h" | 13 #include "base/trace_event/trace_event_impl.h" |
14 #include "components/scheduler/child/scheduler_tqm_delegate_impl.h" | 14 #include "components/scheduler/child/scheduler_tqm_delegate_impl.h" |
15 #include "components/scheduler/child/virtual_time_tqm_delegate.h" | |
16 #include "components/scheduler/common/scheduler_switches.h" | 15 #include "components/scheduler/common/scheduler_switches.h" |
17 #include "components/scheduler/renderer/renderer_scheduler_impl.h" | 16 #include "components/scheduler/renderer/renderer_scheduler_impl.h" |
18 | 17 |
19 namespace scheduler { | 18 namespace scheduler { |
20 namespace { | 19 namespace { |
21 const base::Feature kExpensiveTaskBlockingPolicyFeature{ | 20 const base::Feature kExpensiveTaskBlockingPolicyFeature{ |
22 "SchedulerExpensiveTaskBlocking", base::FEATURE_DISABLED_BY_DEFAULT}; | 21 "SchedulerExpensiveTaskBlocking", base::FEATURE_DISABLED_BY_DEFAULT}; |
23 } | 22 } |
24 | 23 |
25 RendererScheduler::RendererScheduler() { | 24 RendererScheduler::RendererScheduler() { |
26 } | 25 } |
27 | 26 |
28 RendererScheduler::~RendererScheduler() { | 27 RendererScheduler::~RendererScheduler() { |
29 } | 28 } |
30 | 29 |
31 // static | 30 // static |
32 scoped_ptr<RendererScheduler> RendererScheduler::Create() { | 31 scoped_ptr<RendererScheduler> RendererScheduler::Create() { |
33 // Ensure worker.scheduler, worker.scheduler.debug and | 32 // Ensure worker.scheduler, worker.scheduler.debug and |
34 // renderer.scheduler.debug appear as an option in about://tracing | 33 // renderer.scheduler.debug appear as an option in about://tracing |
35 base::trace_event::TraceLog::GetCategoryGroupEnabled( | 34 base::trace_event::TraceLog::GetCategoryGroupEnabled( |
36 TRACE_DISABLED_BY_DEFAULT("worker.scheduler")); | 35 TRACE_DISABLED_BY_DEFAULT("worker.scheduler")); |
37 base::trace_event::TraceLog::GetCategoryGroupEnabled( | 36 base::trace_event::TraceLog::GetCategoryGroupEnabled( |
38 TRACE_DISABLED_BY_DEFAULT("worker.scheduler.debug")); | 37 TRACE_DISABLED_BY_DEFAULT("worker.scheduler.debug")); |
39 base::trace_event::TraceLog::GetCategoryGroupEnabled( | 38 base::trace_event::TraceLog::GetCategoryGroupEnabled( |
40 TRACE_DISABLED_BY_DEFAULT("renderer.scheduler.debug")); | 39 TRACE_DISABLED_BY_DEFAULT("renderer.scheduler.debug")); |
41 | 40 |
42 scoped_ptr<RendererSchedulerImpl> scheduler; | |
43 base::MessageLoop* message_loop = base::MessageLoop::current(); | 41 base::MessageLoop* message_loop = base::MessageLoop::current(); |
44 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); | 42 scoped_ptr<RendererSchedulerImpl> scheduler( |
45 if (command_line->HasSwitch(switches::kEnableVirtualizedTime)) { | 43 new RendererSchedulerImpl(SchedulerTqmDelegateImpl::Create( |
46 scheduler.reset(new RendererSchedulerImpl( | 44 message_loop, make_scoped_ptr(new base::DefaultTickClock())))); |
47 VirtualTimeTqmDelegate::Create(message_loop, base::TimeTicks::Now()))); | |
48 } else { | |
49 scheduler.reset(new RendererSchedulerImpl(SchedulerTqmDelegateImpl::Create( | |
50 message_loop, make_scoped_ptr(new base::DefaultTickClock())))); | |
51 } | |
52 | 45 |
53 // Runtime features are not currently available in html_viewer. | 46 // Runtime features are not currently available in html_viewer. |
54 if (base::FeatureList::GetInstance()) { | 47 if (base::FeatureList::GetInstance()) { |
55 bool blocking_allowed = | 48 bool blocking_allowed = |
56 base::FeatureList::IsEnabled(kExpensiveTaskBlockingPolicyFeature); | 49 base::FeatureList::IsEnabled(kExpensiveTaskBlockingPolicyFeature); |
57 // Also check the old style FieldTrial API for perf waterfall compatibility. | 50 // Also check the old style FieldTrial API for perf waterfall compatibility. |
58 const std::string group_name = base::FieldTrialList::FindFullName( | 51 const std::string group_name = base::FieldTrialList::FindFullName( |
59 kExpensiveTaskBlockingPolicyFeature.name); | 52 kExpensiveTaskBlockingPolicyFeature.name); |
60 blocking_allowed |= base::StartsWith(group_name, "Enabled", | 53 blocking_allowed |= base::StartsWith(group_name, "Enabled", |
61 base::CompareCase::INSENSITIVE_ASCII); | 54 base::CompareCase::INSENSITIVE_ASCII); |
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93 return "event_consumed_by_compositor"; | 86 return "event_consumed_by_compositor"; |
94 case InputEventState::EVENT_FORWARDED_TO_MAIN_THREAD: | 87 case InputEventState::EVENT_FORWARDED_TO_MAIN_THREAD: |
95 return "event_forwarded_to_main_thread"; | 88 return "event_forwarded_to_main_thread"; |
96 default: | 89 default: |
97 NOTREACHED(); | 90 NOTREACHED(); |
98 return nullptr; | 91 return nullptr; |
99 } | 92 } |
100 } | 93 } |
101 | 94 |
102 } // namespace scheduler | 95 } // namespace scheduler |
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