| // 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. |
| |
| #ifndef COMPONENTS_SCHEDULING_METRICS_THREAD_METRICS_H_ |
| #define COMPONENTS_SCHEDULING_METRICS_THREAD_METRICS_H_ |
| |
| #include "base/component_export.h" |
| #include "base/optional.h" |
| #include "base/task/sequence_manager/task_queue.h" |
| #include "base/time/time.h" |
| #include "components/scheduling_metrics/task_duration_metric_reporter.h" |
| #include "components/scheduling_metrics/thread_type.h" |
| #include "components/scheduling_metrics/total_duration_metric_reporter.h" |
| |
| namespace scheduling_metrics { |
| |
| // Helper class to take care of task metrics shared between different threads |
| // in Chrome, including but not limited to browser UI and IO threads, renderer |
| // main thread and blink worker threads. |
| // |
| class COMPONENT_EXPORT(SCHEDULING_METRICS) ThreadMetrics { |
| public: |
| ThreadMetrics(ThreadType thread_type, bool has_cpu_timing_for_each_task); |
| ~ThreadMetrics(); |
| |
| bool ShouldDiscardTask( |
| base::sequence_manager::TaskQueue* queue, |
| const base::sequence_manager::Task& task, |
| const base::sequence_manager::TaskQueue::TaskTiming& task_timing); |
| |
| // Record task metrics which are shared between threads. |
| void RecordTaskMetrics( |
| base::sequence_manager::TaskQueue* queue, |
| const base::sequence_manager::Task& task, |
| const base::sequence_manager::TaskQueue::TaskTiming& task_timing); |
| |
| protected: |
| const ThreadType thread_type_; |
| const bool has_cpu_timing_for_each_task_; |
| |
| private: |
| base::ThreadTicks last_known_time_; |
| |
| TaskDurationMetricReporter<ThreadType> thread_task_duration_reporter_; |
| TaskDurationMetricReporter<ThreadType> thread_task_cpu_duration_reporter_; |
| TaskDurationMetricReporter<ThreadType> tracked_cpu_duration_reporter_; |
| TaskDurationMetricReporter<ThreadType> non_tracked_cpu_duration_reporter_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ThreadMetrics); |
| }; |
| |
| } // namespace scheduling_metrics |
| |
| #endif // COMPONENTS_SCHEDULING_METRICS_THREAD_METRICS_H_ |