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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 "platform/scheduler/base/task_queue_manager.h" | 5 #include "platform/scheduler/base/task_queue_manager.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/memory/ptr_util.h" | 10 #include "base/memory/ptr_util.h" |
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31 num_tasks_to_post_(0), | 31 num_tasks_to_post_(0), |
32 num_tasks_to_run_(0) {} | 32 num_tasks_to_run_(0) {} |
33 | 33 |
34 void SetUp() override { | 34 void SetUp() override { |
35 if (base::ThreadTicks::IsSupported()) | 35 if (base::ThreadTicks::IsSupported()) |
36 base::ThreadTicks::WaitUntilInitialized(); | 36 base::ThreadTicks::WaitUntilInitialized(); |
37 } | 37 } |
38 | 38 |
39 void Initialize(size_t num_queues) { | 39 void Initialize(size_t num_queues) { |
40 num_queues_ = num_queues; | 40 num_queues_ = num_queues; |
41 message_loop_.reset(new base::MessageLoop()); | |
42 run_loop_.reset(new base::RunLoop()); | |
43 manager_ = base::MakeUnique<TaskQueueManager>( | 41 manager_ = base::MakeUnique<TaskQueueManager>( |
44 TaskQueueManagerDelegateForTest::Create( | 42 TaskQueueManagerDelegateForTest::Create( |
45 message_loop_->task_runner(), | 43 base::MessageLoop::current()->task_runner(), |
46 base::WrapUnique(new base::DefaultTickClock())), | 44 base::WrapUnique(new base::DefaultTickClock())), |
47 "fake.category", "fake.category", "fake.category.debug"); | 45 "fake.category", "fake.category", "fake.category.debug"); |
48 manager_->AddTaskTimeObserver(&test_task_time_observer_); | 46 manager_->AddTaskTimeObserver(&test_task_time_observer_); |
49 for (size_t i = 0; i < num_queues; i++) | 47 for (size_t i = 0; i < num_queues; i++) |
50 queues_.push_back(manager_->NewTaskQueue(TaskQueue::Spec("test"))); | 48 queues_.push_back(manager_->NewTaskQueue(TaskQueue::Spec("test"))); |
51 } | 49 } |
52 | 50 |
53 void TestDelayedTask() { | 51 void TestDelayedTask() { |
54 if (--num_tasks_to_run_ == 0) { | 52 if (--num_tasks_to_run_ == 0) { |
55 run_loop_->QuitWhenIdle(); | 53 run_loop_->QuitWhenIdle(); |
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91 num_tasks_to_run_ = num_tasks_to_run; | 89 num_tasks_to_run_ = num_tasks_to_run; |
92 TestDelayedTask(); | 90 TestDelayedTask(); |
93 } | 91 } |
94 | 92 |
95 void Benchmark(const std::string& trace, const base::Closure& test_task) { | 93 void Benchmark(const std::string& trace, const base::Closure& test_task) { |
96 base::ThreadTicks start = base::ThreadTicks::Now(); | 94 base::ThreadTicks start = base::ThreadTicks::Now(); |
97 base::ThreadTicks now; | 95 base::ThreadTicks now; |
98 unsigned long long num_iterations = 0; | 96 unsigned long long num_iterations = 0; |
99 do { | 97 do { |
100 test_task.Run(); | 98 test_task.Run(); |
| 99 run_loop_.reset(new base::RunLoop()); |
101 run_loop_->Run(); | 100 run_loop_->Run(); |
102 now = base::ThreadTicks::Now(); | 101 now = base::ThreadTicks::Now(); |
103 num_iterations++; | 102 num_iterations++; |
104 } while (now - start < base::TimeDelta::FromSeconds(5)); | 103 } while (now - start < base::TimeDelta::FromSeconds(5)); |
105 perf_test::PrintResult( | 104 perf_test::PrintResult( |
106 "task", "", trace, | 105 "task", "", trace, |
107 (now - start).InMicroseconds() / static_cast<double>(num_iterations), | 106 (now - start).InMicroseconds() / static_cast<double>(num_iterations), |
108 "us/run", true); | 107 "us/run", true); |
109 } | 108 } |
110 | 109 |
111 size_t num_queues_; | 110 size_t num_queues_; |
112 unsigned int max_tasks_in_flight_; | 111 unsigned int max_tasks_in_flight_; |
113 unsigned int num_tasks_in_flight_; | 112 unsigned int num_tasks_in_flight_; |
114 unsigned int num_tasks_to_post_; | 113 unsigned int num_tasks_to_post_; |
115 unsigned int num_tasks_to_run_; | 114 unsigned int num_tasks_to_run_; |
116 std::unique_ptr<TaskQueueManager> manager_; | 115 std::unique_ptr<TaskQueueManager> manager_; |
117 std::unique_ptr<base::MessageLoop> message_loop_; | |
118 std::unique_ptr<base::RunLoop> run_loop_; | 116 std::unique_ptr<base::RunLoop> run_loop_; |
119 std::vector<scoped_refptr<base::SingleThreadTaskRunner>> queues_; | 117 std::vector<scoped_refptr<base::SingleThreadTaskRunner>> queues_; |
120 // TODO(alexclarke): parameterize so we can measure with and without a | 118 // TODO(alexclarke): parameterize so we can measure with and without a |
121 // TaskTimeObserver. | 119 // TaskTimeObserver. |
122 TestTaskTimeObserver test_task_time_observer_; | 120 TestTaskTimeObserver test_task_time_observer_; |
123 }; | 121 }; |
124 | 122 |
125 TEST_F(TaskQueueManagerPerfTest, RunTenThousandDelayedTasks_OneQueue) { | 123 TEST_F(TaskQueueManagerPerfTest, RunTenThousandDelayedTasks_OneQueue) { |
126 if (!base::ThreadTicks::IsSupported()) | 124 if (!base::ThreadTicks::IsSupported()) |
127 return; | 125 return; |
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164 Benchmark("run 10000 delayed tasks with eight queues", | 162 Benchmark("run 10000 delayed tasks with eight queues", |
165 base::Bind(&TaskQueueManagerPerfTest::ResetAndCallTestDelayedTask, | 163 base::Bind(&TaskQueueManagerPerfTest::ResetAndCallTestDelayedTask, |
166 base::Unretained(this), 10000)); | 164 base::Unretained(this), 10000)); |
167 } | 165 } |
168 | 166 |
169 // TODO(alexclarke): Add additional tests with different mixes of non-delayed vs | 167 // TODO(alexclarke): Add additional tests with different mixes of non-delayed vs |
170 // delayed tasks. | 168 // delayed tasks. |
171 | 169 |
172 } // namespace scheduler | 170 } // namespace scheduler |
173 } // namespace blink | 171 } // namespace blink |
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