| // 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_TYPE_H_ |
| #define COMPONENTS_SCHEDULING_METRICS_THREAD_TYPE_H_ |
| |
| namespace scheduling_metrics { |
| |
| // The list of all threads in the Chrome we support scheduling metrics for. |
| // This enum is used as a key in histograms and should not be renumbered. |
| // Please update SchedulerThreadType enum in tools/metrics/histograms/enums.xml |
| // when adding new values. |
| enum class ThreadType { |
| kBrowserUIThread = 0, |
| kBrowserIOThread = 1, |
| kRendererMainThread = 2, |
| kRendererCompositorThread = 3, |
| kRendererDedicatedWorkerThread = 4, |
| kRendererServiceWorkerThread = 5, |
| // Blink has ~10 other named threads, however they run just a few tasks. |
| // Aggregate them into a single item for clarity and split out if necessary. |
| kRendererOtherBlinkThread = 6, |
| |
| kCount = 7, |
| }; |
| |
| } // namespace scheduling_metrics |
| |
| #endif // COMPONENTS_SCHEDULING_METRICS_THREAD_TYPE_H_ |
