| Alexander Timin | 7c6d591b | 2018-07-26 13:08:27 | [diff] [blame] | 1 | // Copyright 2018 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "components/scheduling_metrics/thread_metrics.h" |
| 6 | |
| 7 | #include "base/task/sequence_manager/test/fake_task.h" |
| 8 | #include "base/test/metrics/histogram_tester.h" |
| 9 | #include "base/time/time_override.h" |
| 10 | #include "testing/gmock/include/gmock/gmock.h" |
| 11 | #include "testing/gtest/include/gtest/gtest.h" |
| 12 | |
| 13 | using base::sequence_manager::TaskQueue; |
| 14 | |
| 15 | namespace scheduling_metrics { |
| 16 | |
| 17 | namespace { |
| 18 | |
| 19 | using base::sequence_manager::FakeTask; |
| 20 | using base::sequence_manager::FakeTaskTiming; |
| 21 | |
| 22 | base::TimeTicks Seconds(int seconds) { |
| 23 | return base::TimeTicks() + base::TimeDelta::FromSeconds(seconds); |
| 24 | } |
| 25 | |
| 26 | base::ThreadTicks ThreadSeconds(int seconds) { |
| 27 | return base::ThreadTicks() + base::TimeDelta::FromSeconds(seconds); |
| 28 | } |
| 29 | |
| 30 | } // namespace |
| 31 | |
| 32 | TEST(MetricsHelperTest, TaskDurationPerThreadType) { |
| 33 | base::HistogramTester histogram_tester; |
| 34 | |
| 35 | ThreadMetrics main_thread_metrics(ThreadType::kRendererMainThread, |
| 36 | false /* has_cpu_timing_for_each_task */); |
| 37 | ThreadMetrics compositor_metrics(ThreadType::kRendererCompositorThread, |
| 38 | false /* has_cpu_timing_for_each_task */); |
| 39 | ThreadMetrics worker_metrics(ThreadType::kRendererOtherBlinkThread, |
| 40 | false /* has_cpu_timing_for_each_task */); |
| 41 | |
| 42 | main_thread_metrics.RecordTaskMetrics( |
| 43 | nullptr, FakeTask(), |
| 44 | FakeTaskTiming(Seconds(10), Seconds(50), ThreadSeconds(0), |
| 45 | ThreadSeconds(15))); |
| 46 | compositor_metrics.RecordTaskMetrics( |
| 47 | nullptr, FakeTask(), |
| 48 | FakeTaskTiming(Seconds(10), Seconds(80), ThreadSeconds(0), |
| 49 | ThreadSeconds(5))); |
| 50 | compositor_metrics.RecordTaskMetrics( |
| 51 | nullptr, FakeTask(), FakeTaskTiming(Seconds(100), Seconds(200))); |
| 52 | worker_metrics.RecordTaskMetrics( |
| 53 | nullptr, FakeTask(), |
| 54 | FakeTaskTiming(Seconds(10), Seconds(125), ThreadSeconds(0), |
| 55 | ThreadSeconds(25))); |
| 56 | |
| 57 | EXPECT_THAT( |
| 58 | histogram_tester.GetAllSamples( |
| 59 | "Scheduler.Experimental.WallTimePerThread"), |
| 60 | testing::UnorderedElementsAre( |
| 61 | base::Bucket(static_cast<int>(ThreadType::kRendererMainThread), 40), |
| 62 | base::Bucket(static_cast<int>(ThreadType::kRendererCompositorThread), |
| 63 | 170), |
| 64 | base::Bucket(static_cast<int>(ThreadType::kRendererOtherBlinkThread), |
| 65 | 115))); |
| 66 | |
| 67 | EXPECT_THAT( |
| 68 | histogram_tester.GetAllSamples("Scheduler.Experimental.CPUTimePerThread"), |
| 69 | testing::UnorderedElementsAre( |
| 70 | base::Bucket(static_cast<int>(ThreadType::kRendererMainThread), 15), |
| 71 | base::Bucket(static_cast<int>(ThreadType::kRendererCompositorThread), |
| 72 | 5), |
| 73 | base::Bucket(static_cast<int>(ThreadType::kRendererOtherBlinkThread), |
| 74 | 25))); |
| 75 | } |
| 76 | |
| 77 | TEST(MetricsHelperTest, TrackedCPUTimeMetrics) { |
| 78 | base::HistogramTester histogram_tester; |
| 79 | base::subtle::ScopedTimeClockOverrides time_override( |
| 80 | []() { return base::Time(); }, []() { return Seconds(1); }, |
| 81 | []() { return ThreadSeconds(1); }); |
| 82 | |
| 83 | ThreadMetrics main_thread_metrics(ThreadType::kRendererMainThread, |
| 84 | true /* has_cpu_timing_for_each_task */); |
| 85 | |
| 86 | main_thread_metrics.RecordTaskMetrics( |
| 87 | nullptr, FakeTask(), |
| 88 | FakeTaskTiming(Seconds(10), Seconds(50), ThreadSeconds(5), |
| 89 | ThreadSeconds(15))); |
| 90 | main_thread_metrics.RecordTaskMetrics( |
| 91 | nullptr, FakeTask(), |
| 92 | FakeTaskTiming(Seconds(10), Seconds(50), ThreadSeconds(20), |
| 93 | ThreadSeconds(25))); |
| 94 | |
| 95 | EXPECT_THAT(histogram_tester.GetAllSamples( |
| 96 | "Scheduler.Experimental.CPUTimePerThread.Tracked"), |
| 97 | testing::UnorderedElementsAre(base::Bucket( |
| 98 | static_cast<int>(ThreadType::kRendererMainThread), 15))); |
| 99 | // 9 = 4 seconds before task 1 and 5 seconds between tasks 1 and 2. |
| 100 | EXPECT_THAT(histogram_tester.GetAllSamples( |
| 101 | "Scheduler.Experimental.CPUTimePerThread.Untracked"), |
| 102 | testing::UnorderedElementsAre(base::Bucket( |
| 103 | static_cast<int>(ThreadType::kRendererMainThread), 9))); |
| 104 | } |
| 105 | |
| 106 | } // namespace scheduling_metrics |
