| <!-- |
| Copyright 2020 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 Google 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="GoogleUpdate.ErrorHresult" enum="Hresult" |
| expires_after="2023-06-26"> |
| <owner>sorin@chromium.org</owner> |
| <owner>waffles@chromium.org</owner> |
| <summary>The HRESULT for a failed on-demand update check.</summary> |
| </histogram> |
| |
| <histogram name="GoogleUpdate.InstallDetails.UpdateCohort" units="units" |
| expires_after="2024-06-01"> |
| <owner>waffles@chromium.org</owner> |
| <owner>chrome-metrics-team@google.com</owner> |
| <owner>omaha-team@google.com</owner> |
| <summary> |
| Store the hash of update cohort name as reported by Chrome Updater on |
| Windows. Recorded at the start of metrics service. Warning: this histogram |
| was expired from 2019-06-01 to 2023-01-23; data may be missing. |
| </summary> |
| </histogram> |
| |
| <histogram name="GoogleUpdate.Result.Session" enum="BooleanSuccess" |
| expires_after="2020-10-15"> |
| <!-- Name completed by histogram_suffixes name="GoogleUpdate.Result.UpdateType" --> |
| |
| <owner>dtrainor@chromium.org</owner> |
| <owner>nyquist@chromium.org</owner> |
| <summary> |
| (Android-only) Whether or not an update was successful when looking at the |
| Chrome version on the next session where there is no update in progress. |
| </summary> |
| </histogram> |
| |
| <histogram name="GoogleUpdate.Result.TimeWindow" enum="BooleanSuccess" |
| expires_after="2020-10-15"> |
| <!-- Name completed by histogram_suffixes name="GoogleUpdate.Result.UpdateType" --> |
| |
| <owner>dtrainor@chromium.org</owner> |
| <owner>nyquist@chromium.org</owner> |
| <summary> |
| (Android-only) Whether or not an update was successful within a specific |
| server-configured window of time (e.g. an update may not occur right after |
| the user attempts to start it, but if they update sometime in the next X |
| days, we can possibly attribute it to the update flow we started). An |
| example window value could be on the order of days (e.g. 2 days since an |
| update started). |
| </summary> |
| </histogram> |
| |
| <histogram name="GoogleUpdate.StartingUpdateState" |
| enum="BooleanAlreadyUpdating" expires_after="2020-10-15"> |
| <owner>dtrainor@chromium.org</owner> |
| <owner>nyquist@chromium.org</owner> |
| <summary> |
| (Android-only) Whether or not an update was being tracked as 'in progress' |
| when another update was started. |
| </summary> |
| </histogram> |
| |
| <histogram name="GoogleUpdate.UpdateErrorCode" enum="GoogleUpdateErrorCode" |
| expires_after="2023-09-17"> |
| <owner>sorin@chromium.org</owner> |
| <owner>waffles@chromium.org</owner> |
| <summary>The error code for a failed on-demand update check.</summary> |
| </histogram> |
| |
| <histogram name="GoogleUpdate.UpgradeResult" enum="GoogleUpdateUpgradeStatus" |
| expires_after="2023-08-27"> |
| <owner>sorin@chromium.org</owner> |
| <owner>waffles@chromium.org</owner> |
| <summary>The result of an on-demand update check.</summary> |
| </histogram> |
| |
| </histograms> |
| |
| </histogram-configuration> |