| <!-- |
| Copyright 2023 The Chromium Authors |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <!-- |
| This file is used to generate a comprehensive list of System histograms |
| along with a detailed description for each histogram. |
| |
| For best practices on writing histogram descriptions, see |
| https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md |
| |
| Please follow the instructions in the OWNERS file in this directory to find a |
| reviewer. If no OWNERS file exists, please consider signing up at |
| go/reviewing-metrics (Googlers only), as all subdirectories are expected to |
| have an OWNERS file. As a last resort you can send the CL to |
| chromium-metrics-reviews@google.com. |
| --> |
| |
| <histogram-configuration> |
| |
| <histograms> |
| |
| <histogram name="System.Pressure.{resource}" units="%" |
| expires_after="2023-09-01"> |
| <owner>etienneb@chromium.org</owner> |
| <owner>gab@chromium.org</owner> |
| <summary> |
| Measures the pressure on {resource}. Pressure increases when contention |
| happens on the resource usage. It measures the amount of the runnable time |
| that is wasted because of {resource} starvation. |
| </summary> |
| <token key="resource"> |
| <variant name="CPU" summary="CPU"/> |
| <variant name="IO" summary="IO"/> |
| <variant name="Memory" summary="Memory"/> |
| </token> |
| </histogram> |
| |
| </histograms> |
| |
| </histogram-configuration> |
