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Side by Side Diff: components/scheduler/base/task_queue_manager_perftest.cc

Issue 1374653003: scheduler: Add a base directory (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fixed gn clobber build. Created 5 years, 2 months ago
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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 "components/scheduler/child/task_queue_manager.h" 5 #include "components/scheduler/base/task_queue_manager.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/threading/thread.h" 8 #include "base/threading/thread.h"
9 #include "components/scheduler/child/scheduler_task_runner_delegate_impl.h" 9 #include "components/scheduler/base/nestable_task_runner_for_test.h"
10 #include "components/scheduler/child/task_queue_impl.h" 10 #include "components/scheduler/base/task_queue_impl.h"
11 #include "components/scheduler/child/task_queue_selector.h" 11 #include "components/scheduler/base/task_queue_selector.h"
12 #include "components/scheduler/child/task_queue_sets.h" 12 #include "components/scheduler/base/task_queue_sets.h"
13 #include "testing/gtest/include/gtest/gtest.h" 13 #include "testing/gtest/include/gtest/gtest.h"
14 #include "testing/perf/perf_test.h" 14 #include "testing/perf/perf_test.h"
15 15
16 namespace scheduler { 16 namespace scheduler {
17 17
18 class TaskQueueManagerPerfTest : public testing::Test { 18 class TaskQueueManagerPerfTest : public testing::Test {
19 public: 19 public:
20 TaskQueueManagerPerfTest() 20 TaskQueueManagerPerfTest()
21 : num_queues_(0), 21 : num_queues_(0),
22 max_tasks_in_flight_(0), 22 max_tasks_in_flight_(0),
23 num_tasks_in_flight_(0), 23 num_tasks_in_flight_(0),
24 num_tasks_to_post_(0), 24 num_tasks_to_post_(0),
25 num_tasks_to_run_(0) {} 25 num_tasks_to_run_(0) {}
26 26
27 void Initialize(size_t num_queues) { 27 void Initialize(size_t num_queues) {
28 num_queues_ = num_queues; 28 num_queues_ = num_queues;
29 message_loop_.reset(new base::MessageLoop()); 29 message_loop_.reset(new base::MessageLoop());
30 manager_ = make_scoped_ptr(new TaskQueueManager( 30 manager_ = make_scoped_ptr(new TaskQueueManager(
31 SchedulerTaskRunnerDelegateImpl::Create(message_loop_.get()), 31 NestableTaskRunnerForTest::Create(message_loop_->task_runner()),
32 "fake.category", "fake.category.debug")); 32 "fake.category", "fake.category.debug"));
33 for (size_t i = 0; i < num_queues; i++) 33 for (size_t i = 0; i < num_queues; i++)
34 queues_.push_back(manager_->NewTaskQueue(TaskQueue::Spec("test"))); 34 queues_.push_back(manager_->NewTaskQueue(TaskQueue::Spec("test")));
35 } 35 }
36 36
37 void TestDelayedTask() { 37 void TestDelayedTask() {
38 if (--num_tasks_to_run_ == 0) { 38 if (--num_tasks_to_run_ == 0) {
39 message_loop_->Quit(); 39 message_loop_->Quit();
40 } 40 }
41 41
42 num_tasks_in_flight_--; 42 num_tasks_in_flight_--;
43 // NOTE there are only up to max_tasks_in_flight_ pending delayed tasks at 43 // NOTE there are only up to max_tasks_in_flight_ pending delayed tasks at
44 // any one time. Thanks to the lower_num_tasks_to_post going to zero if 44 // any one time. Thanks to the lower_num_tasks_to_post going to zero if
45 // there are a lot of tasks in flight, the total number of task in flight at 45 // there are a lot of tasks in flight, the total number of task in flight at
46 // any one time is very variable. 46 // any one time is very variable.
47 unsigned int lower_num_tasks_to_post = 47 unsigned int lower_num_tasks_to_post =
48 num_tasks_in_flight_ < (max_tasks_in_flight_ / 2) ? 1 : 0; 48 num_tasks_in_flight_ < (max_tasks_in_flight_ / 2) ? 1 : 0;
49 unsigned int max_tasks_to_post = 49 unsigned int max_tasks_to_post =
50 num_tasks_to_post_ % 2 ? lower_num_tasks_to_post : 10; 50 num_tasks_to_post_ % 2 ? lower_num_tasks_to_post : 10;
51 for (unsigned int i = 0; 51 for (unsigned int i = 0;
52 i < max_tasks_to_post && num_tasks_in_flight_ < max_tasks_in_flight_ && 52 i < max_tasks_to_post && num_tasks_in_flight_ < max_tasks_in_flight_ &&
53 num_tasks_to_post_ > 0; 53 num_tasks_to_post_ > 0;
54 i++) { 54 i++) {
55 // Choose a queue weighted towards queue 0. 55 // Choose a queue weighted towards queue 0.
56 unsigned int queue = num_tasks_to_post_ % (num_queues_ + 1); 56 unsigned int queue = num_tasks_to_post_ % (num_queues_ + 1);
57 if (queue == num_queues_) { 57 if (queue == num_queues_) {
58 queue = 0; 58 queue = 0;
59 } 59 }
60 // Simulate a mix of short and longer delays. 60 // Simulate a mix of short and longer delays.
61 unsigned int delay = 61 unsigned int delay =
62 num_tasks_to_post_ % 2 ? 1 : (10 + num_tasks_to_post_ % 10); 62 num_tasks_to_post_ % 2 ? 1 : (10 + num_tasks_to_post_ % 10);
63 queues_[queue]->PostDelayedTask( 63 queues_[queue]->PostDelayedTask(
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132 max_tasks_in_flight_ = 200; 132 max_tasks_in_flight_ = 200;
133 Benchmark("run 10000 delayed tasks with eight queues", 133 Benchmark("run 10000 delayed tasks with eight queues",
134 base::Bind(&TaskQueueManagerPerfTest::ResetAndCallTestDelayedTask, 134 base::Bind(&TaskQueueManagerPerfTest::ResetAndCallTestDelayedTask,
135 base::Unretained(this), 10000)); 135 base::Unretained(this), 10000));
136 } 136 }
137 137
138 // TODO(alexclarke): Add additional tests with different mixes of non-delayed vs 138 // TODO(alexclarke): Add additional tests with different mixes of non-delayed vs
139 // delayed tasks. 139 // delayed tasks.
140 140
141 } // namespace scheduler 141 } // namespace scheduler
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