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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/scheduler/child/metrics_helper.h"
#include "base/test/histogram_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::sequence_manager::TaskQueue;
namespace blink {
namespace scheduler {
namespace {
class MetricsHelperForTest : public MetricsHelper {
public:
MetricsHelperForTest(WebThreadType thread_type)
: MetricsHelper(thread_type) {}
~MetricsHelperForTest() = default;
using MetricsHelper::RecordCommonTaskMetrics;
};
} // namespace
TEST(MetricsHelperTest, TaskDurationPerThreadType) {
base::HistogramTester histogram_tester;
MetricsHelperForTest main_thread_metrics(WebThreadType::kMainThread);
MetricsHelperForTest compositor_metrics(WebThreadType::kCompositorThread);
MetricsHelperForTest worker_metrics(WebThreadType::kUnspecifiedWorkerThread);
TaskQueue::Task fake_task(
(TaskQueue::PostedTask(base::OnceClosure(), base::Location())),
base::TimeTicks());
main_thread_metrics.RecordCommonTaskMetrics(
nullptr, fake_task,
base::TimeTicks() + base::TimeDelta::FromMilliseconds(10),
base::TimeTicks() + base::TimeDelta::FromMilliseconds(50),
base::TimeDelta::FromMilliseconds(15));
compositor_metrics.RecordCommonTaskMetrics(
nullptr, fake_task,
base::TimeTicks() + base::TimeDelta::FromMilliseconds(10),
base::TimeTicks() + base::TimeDelta::FromMilliseconds(80),
base::TimeDelta::FromMilliseconds(5));
compositor_metrics.RecordCommonTaskMetrics(
nullptr, fake_task,
base::TimeTicks() + base::TimeDelta::FromMilliseconds(100),
base::TimeTicks() + base::TimeDelta::FromMilliseconds(200),
base::nullopt);
worker_metrics.RecordCommonTaskMetrics(
nullptr, fake_task,
base::TimeTicks() + base::TimeDelta::FromMilliseconds(10),
base::TimeTicks() + base::TimeDelta::FromMilliseconds(125),
base::TimeDelta::FromMilliseconds(25));
EXPECT_THAT(
histogram_tester.GetAllSamples(
"RendererScheduler.TaskDurationPerThreadType"),
testing::UnorderedElementsAre(
base::Bucket(static_cast<int>(WebThreadType::kMainThread), 40),
base::Bucket(static_cast<int>(WebThreadType::kCompositorThread), 170),
base::Bucket(
static_cast<int>(WebThreadType::kUnspecifiedWorkerThread), 115)));
EXPECT_THAT(
histogram_tester.GetAllSamples(
"RendererScheduler.TaskCPUDurationPerThreadType"),
testing::UnorderedElementsAre(
base::Bucket(static_cast<int>(WebThreadType::kMainThread), 15),
base::Bucket(static_cast<int>(WebThreadType::kCompositorThread), 5),
base::Bucket(
static_cast<int>(WebThreadType::kUnspecifiedWorkerThread), 25)));
}
} // namespace scheduler
} // namespace blink
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