| <!-- |
| 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 Extensions 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> |
| |
| <variants name="ExtensionFunctionExecutionTime"> |
| <variant name=".1msTo5ms" |
| summary="Execution took between 1ms and 5ms (tolerable)."/> |
| <variant name=".5msTo10ms" |
| summary="Execution took between 5ms and 10ms (slow)."/> |
| <variant name=".LessThan1ms" summary="Execution took less than 1ms (fast)."/> |
| <variant name=".Over10ms" summary="Execution took over 10ms (glacial)."/> |
| <variant name=".Over270s" |
| summary="Execution took over 4 and half minutes, close to timeout."/> |
| </variants> |
| |
| <variants name="ExtensionMessagingPortType"> |
| <variant name=".Extension" summary="A port opened to an extension context."/> |
| <variant name=".NativeApp" summary="A port opened to a native application."/> |
| <variant name=".Tab" summary="A port opened to a tab context."/> |
| </variants> |
| |
| <histogram name="ExtensionBlacklist.BlacklistInstalled" |
| enum="ExtensionLocation" expires_after="2023-11-18"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The number of extensions that were blocklisted when already installed, |
| grouped by Extension::Location. Logged when ExtensionService blockists and |
| unloads an installed extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="ExtensionBlacklist.BlockCRX" enum="ExtensionLocation" |
| expires_after="2023-11-18"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The number of extensions that have been blocked from installing grouped by |
| Extension::Location. Logged when ExtensionService refuses to install a |
| blocklisted extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="ExtensionBlacklist.SilentInstall" enum="ExtensionLocation" |
| expires_after="2023-11-18"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The number of extensions that have been silently installed in a blocklisted |
| state, grouped by Extension::Location. Logged when ExtensionService installs |
| a blocklisted extension without blocking it (ExtensionBlacklist.BlockCRX |
| would be logged otherwise). Typically this will be when a user has a |
| blocklisted extension synced. |
| </summary> |
| </histogram> |
| |
| <histogram name="ExtensionBlacklist.UnblacklistInstalled" |
| enum="ExtensionLocation" expires_after="2023-11-18"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The number of extensions that were unblocklisted when installed, grouped by |
| Extension::Location. Logged when ExtensionService unblocklists and loads a |
| blocklisted extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="ExtensionContentHashFetcher.CreateHashesTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension content verification latency. --> |
| |
| <owner>lazyboy@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The time taken to create the computed_hashes.json file for an extension. |
| This happens once for each extension after we get signed values of the |
| expected root node of a tree hashes for each file from the webstore; we then |
| compute the individual block level hashes of the actual files and cache them |
| in computed_hashes.json (assuming we don't detect any mismatches). |
| </summary> |
| </histogram> |
| |
| <histogram name="ExtensionContentVerifyJob.TimeSpentUS" units="microseconds" |
| expires_after="2020-11-30"> |
| <owner>lazyboy@chromium.org</owner> |
| <summary> |
| The time taken in computation (hashing actual bytes read and comparing |
| against expected computed hashes values) during an extension resource load. |
| |
| Warning: This metric may include reports from clients with low-resolution |
| clocks (i.e. on Windows, ref. |TimeTicks::IsHighResolution()|). Such reports |
| will cause this metric to have an abnormal distribution. When considering |
| revising this histogram, see UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES for the |
| solution. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ActionSetIconFailureType" |
| enum="ExtensionActionSetIconFailureType" expires_after="M88"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The cause for the failure in the setIcon() extension API function. This is |
| temporary logging to help track down the cause of a crash. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ActiveScriptController.DeniedExtensions" |
| units="Extension Count" expires_after="2023-10-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions on a page that wanted to execute a script, required |
| explicit user consent, and were denied permission. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ActiveScriptController.PermittedExtensions" |
| units="Extension Count" expires_after="2023-09-03"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions on a page that wanted to execute a script, required |
| explicit user consent, and were granted permission. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AlarmManager.AlarmsLoadedCount" units="alarms" |
| expires_after="2023-12-01"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of alarms loaded from storage when an extension is loaded. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppLaunch" enum="AppLaunch" |
| expires_after="2023-10-08"> |
| <owner>benwells@chromium.org</owner> |
| <owner>dominickn@chromium.org</owner> |
| <owner>tapted@chromium.org</owner> |
| <summary> |
| The number of times v1 apps are launched grouped by |
| extension_misc::AppLaunchBuckets. See also Apps.AppLaunch for v2 apps. Note |
| this was changed in 2023-02 to no longer count web app launches. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppLaunchSource" enum="AppLaunchSource" |
| expires_after="2022-06-30"> |
| <owner>benwells@chromium.org</owner> |
| <owner>cylee@chromium.org</owner> |
| <summary> |
| The number of times apps are launched grouped by |
| extensions::AppLaunchSource. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppLoadedInTab" enum="AppLoadedInTabSource" |
| expires_after="M77"> |
| <owner>lazyboy@chromium.org</owner> |
| <summary> |
| A platform app ended up in a regular tab either by the app page or its |
| background page. Note that this happens unexpectedly right now and we wish |
| to track its usage before removing the supporting code. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppLocation" enum="ExtensionLocation" |
| expires_after="2022-06-30"> |
| <owner>benwells@chromium.org</owner> |
| <owner>tapted@chromium.org</owner> |
| <summary> |
| The number of apps loaded on profile open time grouped by |
| Extension::Location. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppLocation2" enum="ExtensionLocation" |
| expires_after="2024-01-01"> |
| <owner>benwells@chromium.org</owner> |
| <owner>tapted@chromium.org</owner> |
| <summary> |
| The number of apps loaded on profile open time grouped by |
| Extension::Location. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppsPromo" enum="AppPromoAction" |
| expires_after="2022-06-30"> |
| <owner>benwells@chromium.org</owner> |
| <owner>tapted@chromium.org</owner> |
| <summary> |
| The actions taken in the NTP apps promo grouped by |
| extension_misc::AppsPromoBuckets. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AppTabLaunchType" enum="ExtensionLaunchType" |
| expires_after="2023-03-11"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extension apps launched grouped by extensions::LaunchType. |
| From 2022-09 this no longer includes web app launches. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.AttemptedToDowngradeVersionLocation" |
| enum="ExtensionLocation" expires_after="2022-11-18"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The extension install location of an extension that Chrome attempted to add, |
| but failed because it would downgrade the version. Tracking for |
| https://crbug.com/810799. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BackgroundHostCreatedForExtension" |
| enum="BackgroundHostCreatedForExtensionValues" expires_after="2023-09-10"> |
| <owner>fdoray@chromium.org</owner> |
| <owner>catan-team@chromium.org</owner> |
| <summary> |
| Recorded when a background host is created for an extension. The value |
| indicates for which extension the host was created. |
| |
| The breakdown of extensions that make up the "Other extension" |
| bucket can be derived from the LoadCountsPerTopLevelDocument UKM event. To |
| compare UKM event counts with UMA sample counts, use this formula: |
| |
| count of UKM events for a given extension * count of samples in the |
| "Other extension" bucket of this histogram / count of UKM events |
| for all extensions |
| |
| Extensions bundled with Chrome have dedicated values in this histogram |
| because they are not synced and therefore not reported through UKM. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BackgroundPageLoadTime2" units="ms" |
| expires_after="2023-10-08"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The time taken for an extension's persistent background page to load its |
| initial URL. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BackgroundPageType" |
| enum="ExtensionBackgroundPageType" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The type (if any) of background page the extension has. Recorded for |
| installed extensions on profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BackgroundPageType2" |
| enum="ExtensionBackgroundPageType" expires_after="never"> |
| <!-- expires-never: Used for monitoring user extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The type (if any) of background page the extension has. Recorded for |
| installed extensions on profile open for "user profiles" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BadMessageFunctionName" enum="ExtensionFunctions" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension system health. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of times each Extension function call sends a bad message, |
| killing the renderer. This may indicate a bug in that API's implementation |
| on the renderer. Note a similar, aggregate metric is BadMessageTerminate_EFD |
| which counts the number of bad messages that are sent overall. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BadSyncDataReason" enum="BadSyncDataReason" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension system health. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The reason a valid ExtensionSyncData could not be parsed from a SyncData |
| received from sync. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Bindings.NativeBindingCreationTime" |
| units="microseconds" expires_after="2023-01-22"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The elapsed time to create a new full instance of an extension API's |
| bindings using native bindings. |
| |
| Warning: This metric may include reports from clients with low-resolution |
| clocks (i.e. on Windows, ref. |TimeTicks::IsHighResolution()|). Such reports |
| will cause this metric to have an abnormal distribution. When considering |
| revising this histogram, see UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES for the |
| solution. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BookmarkAppLaunchContainer" |
| enum="AppLaunchContainer" expires_after="2023-08-14"> |
| <obsolete> |
| Replaced by WebApp.LaunchContainer in M113. |
| </obsolete> |
| <owner>phillis@chromium.org</owner> |
| <owner>benwells@chromium.org</owner> |
| <owner>dominickn@chromium.org</owner> |
| <summary> |
| Records the container used for a web app launch, when the app is launched |
| (eg. via UI surfaces or intents). Not recorded when the web app is navigated |
| to via URL. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.BookmarkAppLaunchSource" enum="AppLaunchSource" |
| expires_after="2023-07-09"> |
| <obsolete> |
| Replaced by WebApp.LaunchSource in M113. |
| </obsolete> |
| <owner>phillis@chromium.org</owner> |
| <owner>benwells@chromium.org</owner> |
| <owner>dominickn@chromium.org</owner> |
| <summary> |
| The number of times web apps are launched, grouped by |
| extensions::AppLaunchSource. The equivalent histogram on Android is called |
| Launch.HomeScreenSource. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentScripts.ContentScriptLength" units="KB" |
| expires_after="2023-11-22"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The size, in KB, of a content script that is loaded successfully from a |
| file. Recorded when the content of a user script object is set. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentScripts.DynamicContentScriptsLengthPerLoad" |
| units="KB" expires_after="2023-12-02"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The size, in KB, of all newly loaded dynamic content scripts for one |
| extension. Recorded when a script load containing at least one new dynamic |
| content script finishes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentScripts.ManifestContentScriptsLengthPerLoad" |
| units="KB" expires_after="2023-12-02"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The size, in KB, of all newly loaded manifest content scripts for one |
| extension. Recorded when a script load containing at least one new manifest |
| content script finishes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentVerification.ComputeHashesOnInstallResult" |
| enum="BooleanSuccess" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether or not computed_hashes.json file was successfully generated and |
| written during extension installation. Recorded during installation of an |
| extension if hashes computing was requested for this specifix extension. |
| Hashes computing on installation is used for off-store policy-based |
| extensions since we need them to be checked against corruption and cannot |
| use Chrome Web Store for source of hashes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentVerification.ComputeHashesOnInstallTime" |
| units="ms" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The time taken to successfully create the computed_hashes.json file for an |
| extension upon installation. The histogram is collected with |
| &Extensions.ContentVerification.ComputeHashesOnInstallResult& (in |
| case of success). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentVerification.FetchFailureError" |
| enum="CombinedHttpResponseAndNetErrorCode" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Error info for fetching verified_contents.json. Recorded when the file |
| wasn't available locally and we failed to fetch it from network. Note that |
| OK may also be reported in some cases, for example, when file was |
| successfully fetched, but is incorrect. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentVerification.FetchResult" |
| enum="BooleanSuccess" expires_after="2023-09-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether or not fetching verified_contents.json succeeded. Recorded when the |
| file wasn't available locally and we needed to fetch it from network. |
| |
| Warning: this histogram was expired from 2022-02-01 to 2022-09-22; data may |
| be missing. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContentVerification.ReadContentHashTime" units="ms" |
| expires_after="2020-11-30"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Time spent by ContentVerifier for a request to create a ContentHash |
| instance. Recorded during an extension load completion or during an on |
| demand content verification that was triggered by ContentVerifyJob. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ContextMenuAction" |
| enum="ExtensionContextMenuAction" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the action taken by the user from the extension icon context menu. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CorruptedExtensionLocation" |
| enum="ExtensionLocation" expires_after="2022-01-01"> |
| <obsolete> |
| Obsolete in M100. |
| </obsolete> |
| <owner>ydago@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the manifest location of a corrupted extension that will be |
| reinstalled silently. Fires when we suspect corruption in an extension and |
| begin the process of reinstalling it. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CorruptExtensionDisabledReason" |
| enum="CorruptExtensionDisabledReason" expires_after="2022-12-01"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>rockot@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The reason why an extension was detected to be corrupted. Recorded each time |
| an extension is disabled due to corruption detection. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CorruptExtensionTotalDisables" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>jlulejian@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Logged once on profile open, this is the value of a counter that is |
| incremented anytime we disable a corrupted extension because its content |
| didn't match an expected content hash. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CorruptExtensionTotalDisables2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring corrupt extensions. --> |
| |
| <owner>jlulejian@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Logged once on profile open for "user profiles" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed. This is the value of a counter that is |
| incremented anytime we disable a corrupted extension because its content |
| didn't match an expected content hash. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CorruptPolicyExtensionDetected3" |
| enum="ExtensionPolicyReinstallReason" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>poromov@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Fires when we suspect corruption in an enterprise policy forced install |
| extension and begin the process of reinstalling it, saving reason of such |
| suspection. Compare to CorruptPolicyExtensionResolved to judge success rate. |
| Note that if extension was not reinstalled in the session when corruption |
| was found, it will be detected again (possible several times, every session |
| start will trigger a detection until the extension will be fixed), but as |
| CORRUPTION_DETECTED_IN_PRIOR_SESSION. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CorruptPolicyExtensionResolved" units="ms" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Fires when we've successfully resinstalled a corrupt enterprise policy |
| force-installed extension, with a value indicating how long it took |
| end-to-end to complete the reinstall (including download time). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.CreateWindowHeight" units="pixels" |
| expires_after="2023-03-31"> |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>Height of the window created via chrome.windows.create.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.CreateWindowWidth" units="pixels" |
| expires_after="2023-03-31"> |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>Width of the window created via chrome.windows.create.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.Database.Database.Restore" |
| enum="LevelDBDatabaseCorruptionRestoreValue" expires_after="M85"> |
| <owner>cmumford@chromium.org</owner> |
| <summary> |
| The result of an attempt to recover from an attempt to open a database that |
| failed as a result of corruption. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Database.Open{ExtensionsDatabaseOpen}" |
| enum="LevelDBStatus" expires_after="never"> |
| <!-- expires-never: core storage metric; consumed in separate dashboard (go/chrome-storage-dashboard) --> |
| |
| <owner>dmurph@chromium.org</owner> |
| <owner>pwnall@chromium.org</owner> |
| <summary> |
| The result of an open attempt to an Extensions database. |
| {ExtensionsDatabaseOpen} |
| </summary> |
| <token key="ExtensionsDatabaseOpen"> |
| <variant name=""/> |
| <variant name=".Rules" summary="Rules backing stores"/> |
| <variant name=".Scripts" summary="Scripts backing stores"/> |
| <variant name=".Settings" summary="Settings backing stores"/> |
| <variant name=".State" summary="State backing stores"/> |
| <variant name=".WebAppsLockScreen" summary="Web apps lock screen stores"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.Database.Value.Restore" |
| enum="LevelDBValueCorruptionDeleteValue" expires_after="M85"> |
| <owner>cmumford@chromium.org</owner> |
| <summary> |
| The result of an attempt to delete a corrupted value from a database. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Debugger.UserIsInDeveloperMode" |
| enum="InDeveloperMode" expires_after="2023-01-15"> |
| <owner>ghazale@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether the debugger API is called while the user has extensions |
| developer mode enabled. This excludes extensions installed by the enterprise |
| policy and component extensions. The stat is emitted when the |
| debugger.attach extension function is called. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeAPIFunctionCalls" |
| enum="DeclarativeAPIFunctionType" expires_after="never"> |
| <!-- expires-never: For monitoring usage of declarative APIs. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Number of calls to the declarative API extension functions. This includes |
| the declarativeContent and declarativeWebRequest APIs. Emitted when the |
| extension function is called. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeContentActionCreated" |
| enum="DeclarativeContentActionType" expires_after="2023-09-20"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Number of times a declarative content action is created within an extension. |
| Emitted when a new declarative content action is created. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.CreateVerifiedMatcherTime" |
| units="ms" expires_after="2023-08-28"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Measures the time taken to load a single indexed ruleset in the browser |
| process for an extension. This includes reading the indexed ruleset file and |
| verifying it. Emitted whenever a single file-backed extension ruleset is |
| loaded. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.DeclarativeNetRequest.EvaluateBeforeRequestTime.SingleExtension2" |
| units="microseconds" expires_after="2023-10-01"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Time taken to evaluate the before-request action for a network request for a |
| single extension ruleset. Emitted for each network request that is visible |
| to the extension. This is only emitted for users with high resolution |
| clocks. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.DeclarativeNetRequest.EvaluateRequestTime.AllExtensions3" |
| units="microseconds" expires_after="2023-10-01"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Time taken to evaluate the action to take for the network request as per the |
| Declarative Net Request API. This includes the time taken to evaluate all |
| the extension rulesets. Emitted for non-sensitive network requests seen by |
| the Extension System when there is at least one active extension ruleset. |
| This is only emitted for users with high resolution clocks. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.IndexAndPersistRulesTime" |
| units="ms" expires_after="2023-10-01"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Time taken to index and persist to disk, the deserialized json rules |
| provided by an extension manifest for the Declarative Net Request API. This |
| is emitted whenever a packaged extension with a declarative ruleset is |
| installed or updated. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.IsLargeRegexRule" |
| enum="RegexRuleStatus" expires_after="2023-11-14"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Logs whether a regex rule wasn't indexed since it exceeded the per-rule |
| memory limit. Emitted for every regex rule an extension adds. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.LoadRulesetResult" |
| enum="LoadRulesetResult" expires_after="2023-08-27"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the result of loading an extension ruleset for the Declarative Net |
| Request API. Emitted whenever a single extension ruleset is loaded. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.ManifestEnabledRulesCount2" |
| units="rules" expires_after="2023-10-22"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The number of enabled indexed declarative rules provided by an extension |
| manifest for the Declarative Net Request API. This is emitted whenever a |
| packaged extension with a declarative ruleset is installed or updated. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.ReadDynamicRulesJSONStatus" |
| enum="ReadDynamicRulesJSONStatus" expires_after="2023-06-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Indicates the result of reading the dynamic JSON rules for an extension from |
| the disk. Logged whenever an extension calls the getDynamicRules extension |
| function or when it updates the dynamic rules through a call to |
| addDynamicRules or removeDynamicRules. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.RequestHeaderAdded" |
| enum="WebRequest.RequestHeader" expires_after="2023-08-08"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the request header added by extensions using the |
| DeclarativeNetRequest API. Recorded for each network request during the |
| OnBeforeSendHeaders stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.RequestHeaderChanged" |
| enum="WebRequest.RequestHeader" expires_after="2023-12-22"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the request header modified by extensions using the |
| DeclarativeNetRequest API. Recorded for each network request during the |
| OnBeforeSendHeaders stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.RequestHeaderRemoved" |
| enum="WebRequest.RequestHeader" expires_after="2023-12-12"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the request header removed by extensions using the |
| DeclarativeNetRequest API. Recorded for each network request during the |
| OnBeforeSendHeaders stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.ResponseHeaderAdded" |
| enum="WebRequest.ResponseHeader" expires_after="2023-12-22"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the response header added by extensions using the |
| DeclarativeNetRequest API. Recorded for each network request during the |
| OnHeadersReceived stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.ResponseHeaderChanged" |
| enum="WebRequest.ResponseHeader" expires_after="2023-12-22"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the response header modified by extensions using the |
| DeclarativeNetRequest API. Recorded for each network request during the |
| OnHeadersReceived stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.ResponseHeaderRemoved" |
| enum="WebRequest.ResponseHeader" expires_after="2023-12-22"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the response header removed by extensions using the |
| DeclarativeNetRequest API. Recorded for each network request during the |
| OnHeadersReceived stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.RulesetReindexSuccessful" |
| enum="BooleanSuccess" expires_after="2023-07-31"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Indicates whether reindexing of a Declarative Net Request ruleset was |
| successful. Called whenever a JSON ruleset for an extension is reindexed, |
| e.g. on ruleset corruption. Note: this is emitted for both static and |
| dynamic rulesets. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeNetRequest.UpdateDynamicRulesStatus" |
| enum="UpdateDynamicRulesStatus" expires_after="2023-06-26"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Indicates the result of an extension function call to add or remove dynamic |
| rules. Logged every time an extension calls the addDynamicRules or |
| removeDynamicRules extension function. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeRulesStorageInitialization" units="ms" |
| expires_after="M85"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary>Time spent until rules storage delegate gets ready.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeSetIconWasVisible" enum="BooleanVisible" |
| expires_after="2019-09-07"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether an icon specified in the declarativeContent.SetIcon API is |
| considered visible by our icon analysis code. This stat is emitted when we |
| create the underlying object that sets the icon when the declarative rule is |
| applied. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DeclarativeSetIconWasVisibleRendered" |
| enum="BooleanVisible" expires_after="2019-09-07"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether an icon specified in the declarativeContent.SetIcon API is |
| considered visible by our icon analysis code. This stat is emitted when we |
| create the underlying object that sets the icon when the declarative rule is |
| applied. |
| |
| This replaces the previous stat, DeclarativeSetIconWasVisibleRendered, due |
| to a change to our analysis algorithm. The new algorithm renders the icon |
| against the toolbar background color and determines how visible the |
| resulting pixels are. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DevTools.UserIsInDeveloperMode" |
| enum="InDeveloperMode" expires_after="2023-07-02"> |
| <owner>ghazale@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether DevTools extensions are being loaded while the user has |
| extensions developer mode enabled. This excludes extensions installed by the |
| enterprise policy and component extensions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_Blessed" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per blessed |
| extension context (chrome-extension://... origins within Extension |
| processes, like background pages, options pages, popups). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_BlessedWebPage" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per blessed web page |
| context (hosted apps). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_ContentScript" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per content script |
| context. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_LockScreenExtension" |
| units="units" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per content script |
| context. This histogram measures the time to install Extension Javascript |
| bindings in a context for a platform app enabled on the Chrome OS lock |
| screen. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_Unblessed" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per unblessed |
| extension context (chrome-extension://... origins hosted in iframes). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_Unspecified" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings in an unknown type |
| of context (this should never happen other than in bizarre circumstances). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_WebPage" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per web page context |
| (just the chrome.app, chrome.webstore, and possibly chrome.runtime APIs). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidCreateScriptContext_WebUI" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Part of the suite of Extensions.DidCreateScriptContext_* metrics. Records |
| the time taken to install Extension JavaScript bindings per WebUI context |
| (chrome://extensions and so forth). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DidInitializeServiceWorkerContextOnWorkerThread" |
| units="ms" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the time taken to install Extension JavaScript bindings per service |
| worker context. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Disabled" units="units" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions that are disabled at browser profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Disabled2" units="units" expires_after="never"> |
| <!-- expires-never: Used for monitoring user extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions that are disabled at browser profile open for |
| "user profiles" (profiles where people can install extensions, |
| specifically profiles that can have non-component extensions installed). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DisabledForPermissions" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions that are disabled at browser profile open due to |
| permissions increases. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DisabledForPermissions2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring user extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions that are disabled at browser profile open for |
| "user profiles" (profiles where people can install extensions, |
| specifically profiles that can have non-component extensions installed) due |
| to permissions increases. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DisableReason" enum="ExtensionDisableReason" |
| expires_after="2022-08-28"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The count of disabled extensions on profile open grouped by disble reason |
| from disable_reason::DisableReason. When an extension is disabled, it can be |
| for one or more reasons (although typically just one), so the sum of these |
| may be greater than 'Extensions.Disabled' which is a count of the number of |
| unique extensions that are disabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DisableReason2" enum="ExtensionDisableReason" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The count of disabled extensions on profile open for "user |
| profiles" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed). Grouped by |
| disable reason from disable_reason::DisableReason. When an extension is |
| disabled, it can be for one or more reasons (although typically just one), |
| so the sum of these may be greater than 'Extensions.Disabled' which is a |
| count of the number of unique extensions that are disabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DynamicExtensionActionIconWasVisible" |
| enum="BooleanVisible" expires_after="2019-09-07"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether a call to set a dynamic icon in the toolbar passed an icon |
| considered visible by our icon analysis code. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.DynamicExtensionActionIconWasVisibleRendered" |
| enum="BooleanVisible" expires_after="2019-09-07"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether a call to set a dynamic icon in the toolbar passed an icon |
| considered visible by our icon analysis code. |
| |
| This replaces the previous stat, DynamicExtensionActionIconWasVisible, due |
| to a change to our analysis algorithm. The new algorithm renders the icon |
| against the toolbar background color and determines how visible the |
| resulting pixels are. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ErrorCodeFromCrxOpen" units="units" |
| expires_after="M85"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| If opening the CRX file for unpacking fails, this integer is the error code |
| given by the OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.EsbAllowlistOmahaAttribute" |
| enum="ExtensionAllowlistOmahaAttributeValue" expires_after="2023-10-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Reports the value of the Safe Browsing CRX allowlist custom omaha attribute |
| when an update check occurs for an extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.EventlessEventPages" units="units" |
| expires_after="2022-06-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions with event pages that have no registered event |
| listeners at profile startup. (This may indicate something has gone wrong; |
| such event pages will never get started.) |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.EventPageActiveTime2" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The time between an extension's event page loading its first URL and the |
| event page later shutting down. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.EventPageIdleTime" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>The time an extension's event page has spent unloaded.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.EventPageLoadTime2" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The time taken for an extension's event page to load its initial URL. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Events.Dispatch" enum="ExtensionEvents" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>Recorded every time an event is dispatched to an extension.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.Events.DispatchToComponent" enum="ExtensionEvents" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded every time an event is dispatched to a *component* extension. |
| Otherwise identical to Extensions.Events.Dispatched. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Events.DispatchWithPersistentBackgroundPage" |
| enum="ExtensionEvents" expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded every time an event is dispatched to an extension with a persistent |
| background page. The event may or may not have been dispatched to the |
| background page itself, for example it may have been dispatched to its |
| popup. When this metric is recorded, Extensions.Events.Dispatch will also be |
| recorded. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Events.DispatchWithRunningEventPage" |
| enum="ExtensionEvents" expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded every time an event is dispatched to an extension with an event |
| page that was already running (i.e. at some point had been woken from its |
| suspended state, see Extensions.Events.DispatchWithSuspendedEventPage). The |
| event may or may not have been dispatched to the event page itself, for |
| example it may have been dispatched to its popup. When this metric is |
| recorded, Extensions.Events.Dispatch will also be recorded. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Events.DispatchWithServiceWorkerBackground" |
| enum="ExtensionEvents" expires_after="2022-12-05"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| Recorded every time an event is dispatched to a service worker based |
| extension background context. When this metric is recorded, |
| Extensions.Events.Dispatch will also be recorded. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Events.DispatchWithSuspendedEventPage" |
| enum="ExtensionEvents" expires_after="never"> |
| <!-- expires-never: Monitoring core extensions platform behavior. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded every time an event is dispatched to an extension with an event |
| page that was suspended. This implies that firing this event woke up the |
| event page. The event may or may not have been dispatched to the event page |
| itself, for example it may have been dispatched to its popup, but regardless |
| it will wake the event page. When this metric is recorded, |
| Extensions.Events.Dispatch will also be recorded. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionAddDisabledRemotelyReason2" |
| enum="ExtensionUpdateCheckDataKey" expires_after="2023-08-11"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Recorded when a new violation is retrieved from Omaha for an extension. The |
| new violation reason is retrieved from the update service data key reasons |
| during an update check for extensions. This metric was added in M92 to |
| replace the old version, because the logic of logging greylisted extensions |
| has changed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionCacheCount" units="units" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Number of cached extensions on disk. Reported on Chrome OS during user |
| session start. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionCacheSize" units="MB" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Total size of .crx files in cache on disk. Reported on Chrome OS during user |
| session start. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionDisabledRemotely2" |
| enum="ExtensionUpdateCheckDataKey" expires_after="2023-08-11"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Recorded when an extension that was previously enabled is disabled due to a |
| new violation retrieved from Omaha. This is recorded when the violation is |
| detected when Chrome checks for an update for the extension. This metric was |
| added in M92 to replace the old version, because the logic of logging |
| greylisted extensions has changed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionInstalled" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Emitted when an extension is downloaded by the user (including webstore |
| installs). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionLocation" enum="ExtensionLocation" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The install location for a given extension. Recorded once per enabled |
| extension on profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionLocation2" enum="ExtensionLocation" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The install location for a given extension. Recorded once per enabled |
| extension on profile initialization for "user profiles" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionReenabledRemotely" units="count" |
| expires_after="2023-10-15"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Recorded when an extension that was previously only disabled remotely is |
| re-enabled remotely during an update service session. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionReenabledRemotely{BlocklistState}" |
| units="count" expires_after="2023-06-10"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Recorded when a {BlocklistState} extension that was previously only disabled |
| remotely is re-enabled remotely during an update service session. |
| </summary> |
| <token key="BlocklistState"> |
| <variant name="ForPolicyViolation" summary="policy violation"/> |
| <variant name="ForPotentiallyUWS" summary="potentially unwanted"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionRootPathLength" units="units" |
| expires_after="M85"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Length of the Extensions dir path inside the profile directory. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionsWithPageActions" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of Extensions that have Page Actions. Measured once per profile |
| open for "user profile" (profiles where people can install |
| extensions, specifically profiles that can have non-component extensions |
| installed). Replaced previous version |
| (PageActionController.ExtensionsWithPageActions). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExtensionUninstalled" units="units" |
| expires_after="2022-05-01"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>An extension has been uninstalled.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExternalItemState" enum="ExternalItemState" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>anunoy@chromium.org</owner> |
| <summary> |
| The number of sideloaded apps/extensions loaded on profile open grouped by |
| enabled/disabled state. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExternalItemState2" enum="ExternalItemState" |
| expires_after="2024-01-01"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of sideloaded apps/extensions loaded on profile open for |
| "user profiles" (profiles where people can install extensions, |
| specifically profiles that can have non-component extensions installed). |
| Grouped by enabled/disabled state. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ExternalJsonCount" units="units" |
| expires_after="M77"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Number of extensions referenced in the external extensions source at path |
| chrome::DIR_EXTERNAL_EXTENSIONS. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FaviconResourceRequested" enum="ExtensionType" |
| expires_after="2021-01-31"> |
| <owner>archanasimha@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records when an extension with the chrome://favicon host permission makes a |
| network level request for a favicon resource. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FeatureProviderStaticInitTime" units="ms" |
| expires_after="M90"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of time that elapsed during extensions::FeatureProvider::Static. |
| Only measured while in the browser process. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FileAccessAllowed" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been given access to |
| the file:// scheme, and were, for users that have at least one extension |
| that could have been given access. This excludes anything that doesn't show |
| up in chrome://extensions (platform apps, hosted apps, component |
| extensions), policy-installed extensions, and unpacked extensions. See also |
| Extensions.FileAccessNotAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FileAccessAllowed2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been given access to |
| the file:// scheme, and were, for users that have at least one extension |
| that could have been given access. This excludes anything that doesn't show |
| up in chrome://extensions (platform apps, hosted apps, component |
| extensions), policy-installed extensions, and unpacked extensions. Logged |
| once per profile open for "user profiles" (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed). See also Extensions.FileAccessNotAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FileAccessNotAllowed" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been given access to |
| the file:// scheme, but weren't, for users that have at least one extension |
| that could have been given access. This excludes anything that doesn't show |
| up in chrome://extensions (platform apps, hosted apps, component |
| extensions), policy-installed extensions, and unpacked extensions. See also |
| Extensions.FileAccessAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FileAccessNotAllowed2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been given access to |
| the file:// scheme, but weren't, for users that have at least one extension |
| that could have been given access. This excludes anything that doesn't show |
| up in chrome://extensions (platform apps, hosted apps, component |
| extensions), policy-installed extensions, and unpacked extensions. Logged |
| once per profile open for "user profiles" (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed). See also Extensions.FileAccessAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledAndBlockListed" units="count" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Number of enterprise policy forced extensions that are blocklisted and thus |
| not loaded 5 minutes after profile creation if at least one of policy forced |
| extensions is not yet enabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledCacheStatus" |
| enum="ExtensionInstallationDownloadingCacheStatus" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>poromov@chromium.org</owner> |
| <summary> |
| Status of cache entry about enterprise policy forced extension. Recorded for |
| each forced extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledCreationStage" |
| enum="ExtensionInstallCreationStage" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The last known intermediate stage of extension when the extension |
| installation stage if CREATED if failure reason was not recorded |
| (installation of an extension was neither yet finished nor failed). Recorded |
| for each forced extension that failed to install after 5 minutes. Recorded |
| together with "Extensions.ForceInstalledTimedOutCount" histogram, |
| but for every extension not installed at the moment. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledDownloadingStage" |
| enum="ExtensionInstallationDownloadingStage" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The last known downloading stage of extension downloading process if failure |
| reason was not recorded and installing stage is DOWNLOADING, so it's |
| specification of Extensions.ForceInstalledStage. Recorded for each forced |
| extension that failed to install after 5 minutes. Recorded together with |
| "Extensions.ForceInstalledTimedOutCount" histogram, but for every |
| extension not installed at the moment. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureCacheStatus" |
| enum="ExtensionInstallationDownloadingCacheStatus" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Status of cache entry about enterprise policy forced extension which failed |
| to install. Recorded for each forced extension that failed to install after |
| 5 minutes. Recorded together with |
| "Extensions.ForceInstalledTimedOutCount" histogram, but for every |
| extension not installed at the moment. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureCrxInstallError" |
| enum="ExtensionInstallationCrxInstallError" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Detailed reason why CRX installation failed for enterprise policy forced |
| extensions. Recorded for each forced extension that failed to install after |
| 5 minutes with Extensions.{OffStore,Webstore}_ForceInstalledFailureReason3 |
| equal to CRX_INSTALL_ERROR_*. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureManifestInvalidAppStatusError" |
| enum="ManifestInvalidAppStatusError" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The detailed reason why enterprise policy forced extensions had failed to |
| install because fetched update manifest was invalid due to app status error. |
| Recorded for each forced extension that failed to install after 5 minutes |
| with Extensions.ForceInstalledFailureReason2 equal to MANIFEST_INVALID and |
| Extensions.ForceInstalledFailureManifestInvalidErrorDetail2 equal to |
| BAD_APP_STATUS. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureNoUpdatesInfo" |
| enum="ExtensionNoUpdatesInfo" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The info field in the update manifest fetched from the server for enterprise |
| policy forced extensions. Recorded for each forced extension for which the |
| server responds with no updates and an empty CRX fetch url. Recorded for |
| each forced extension that failed to install after 5 minutes with |
| Extensions.{OffStore,WebStore}_ForceInstalledFailureReason3 equal to |
| CRX_FETCH_URL_EMPTY. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureReason3" |
| enum="ExtensionInstallationFailureReason" expires_after="2023-12-01"> |
| <!-- Name completed by histogram_suffixes name="ExtensionSource" --> |
| |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The reason why enterprise policy forced extensions were not installed. |
| Recorded for each forced extension that failed to install after 5 minutes. |
| Recorded together with "Extensions.ForceInstalledTimedOutCount" |
| histogram, but for every extension not installed at the moment. |
| |
| Replaced Extensions.ForceInstalledFailureReason2 because of reporting |
| MANIFEST_INVALID instead of MANIFEST_FETCH_FAILED in case parsing update |
| manifest failed with different reasons for the extensions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureSandboxUnpackFailureReason2" |
| enum="ExtensionUnpackFailureReason" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The reason why enterprise policy forced extensions had failed to unpack. |
| Recorded for each forced extension that failed to install after 5 minutes |
| with Extensions.ForceInstalledFailureReason3 equal to |
| CRX_INSTALL_ERROR_SANDBOXED_UNPACKER_FAILURE. |
| |
| Replaced Extensions.ForceInstalledFailureSandboxUnpackFailureReason because |
| the enum values were not in sync with the C++ enums. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureSessionType{FailureReason}" |
| enum="SessionType" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The type of session in case enterprise policy forced extensions were not |
| installed. Recorded for each force installed extension which failed to |
| install after 5 minutes. Supported only on ChromeOS and recorded only if |
| there is an active user. {FailureReason} |
| </summary> |
| <token key="FailureReason"> |
| <variant name="" summary="Any type of failure"/> |
| <variant name=".ExtensionStuckInInitialCreationStage" |
| summary="Extensions stuck in |
| NOTIFIED_FROM_MANAGEMENT_INITIAL_CREATION_FORCED stage. |
| Replaced ".ExtensionStuckInCreatedStage" variant |
| as the histogram collects data about extensions stuck in |
| NOTIFIED_FROM_MANAGEMENT_INITIAL_CREATION_FORCED stage but |
| the name suggested that the data is collected for extensions |
| stuck in CREATED stage."/> |
| </token> |
| </histogram> |
| |
| <histogram |
| name="Extensions.ForceInstalledFailureStuckInInitialCreationStageAreExtensionsEnabled" |
| enum="BooleanEnabled" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Records whether the extensions are enabled or not. Recorded for each forced |
| extension that failed to install after 5 minutes with |
| Extensions.ForceInstalledCreationStage equal to |
| NOTIFIED_FROM_MANAGEMENT_INITIAL_CREATION_FORCED. |
| |
| Replaced |
| "Extensions.ForceInstalledFailureStuckInCreatedStageAreExtensionsEnabled" |
| because the histogram collects data about extensions stuck in |
| NOTIFIED_FROM_MANAGEMENT_INITIAL_CREATION_FORCED stage but the name |
| suggested that the data is collected for extensions stuck in CREATED stage. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledFailureWithCrxHeaderInvalidIsCWS" |
| enum="IsForceInstalledExtensionFailedWithCrxHeaderInvalidFromCWSBoolean" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Records whether the extension is from the Chrome Web Store or not. Recorded |
| for each forced extension that failed to install after 5 minutes with |
| Extensions.ForceInstalledFailureSandboxUnpackFailureReason equal to |
| CRX_HEADER_INVALID. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.ForceInstalledFailureWithCrxHeaderInvalidIsFromCache" |
| enum="BooleanCacheHit" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Records whether the extension is downloaded from cache or not. Recorded for |
| each forced extension that failed to install after 5 minutes with |
| Extensions.ForceInstalledFailureSandboxUnpackFailureReason equal to |
| CRX_HEADER_INVALID. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledLoadTime" units="ms" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The amount of time elapsed during installation of enterprise policy forced |
| extensions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledNotLoadedDisableReason" |
| enum="ExtensionDisableReason" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Records the disable reason for the enterpise policy forced extensions. |
| Recorded for each forced extension that installed but failed to load after 5 |
| minutes. If the extension is not disabled, it records |
| DisableReason::DISABLE_NONE. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledReadyTime" units="ms" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The amount of time elapsed for enterprise policy forced extensions to become |
| ready for use. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.ForceInstalledSessionsWithNonMisconfigurationFailureOccured" |
| enum="Boolean" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Records whether there was a possible non-misconfiguration failure for the |
| enterprise policy forced extensions. Records true if in a session at least |
| one forced extension failed to install after 5 minutes with a |
| non-misconfiguration failure and false when all the forced extensions which |
| failed to install after 5 minutes failed due to some misconfiguration. |
| Recorded together with "Extensions.ForceInstalledTimedOutCount" |
| histogram. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledStage2" |
| enum="ExtensionInstallationStage" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The last known stage of extension installation process if failure reason was |
| not recorded (installation of an extension was neither yet finished nor |
| failed). Recorded for each forced extension that failed to install after 5 |
| minutes. Recorded together with |
| "Extensions.ForceInstalledTimedOutCount" histogram, but for every |
| extension not installed at the moment. |
| |
| Replaced Extensions.ForceInstalledStage because the stages that were used |
| for used for investigation of CREATED stage are moved to a new enum. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledTimedOutAndNotInstalledCount" |
| units="units" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Number of enterprise policy forced extensions that are not installed after 5 |
| minutes if at least one of policy forced extensions is not yet enabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledTimedOutCount" units="units" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Number of enterprise policy forced extensions that are not loaded after 5 |
| minutes timeout, while might be already installed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledTime{ExtensionInstallStages}" |
| units="ms" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The amount of time elapsed during different stage of the installation |
| process for the enterprise policy forced extensions. |
| {ExtensionInstallStages} |
| </summary> |
| <token key="ExtensionInstallStages"> |
| <variant name=".CheckingExpectationsStartTo.FinalizingStart" |
| summary="Time taken to perform the expectations checks to confirm |
| that the extension can be installed."/> |
| <variant name=".CopyingStartTo.UnpackingStart" |
| summary="Time taken to complete copying of extension archive into the |
| working directory"/> |
| <variant name=".DownloadingStartTo.ManifestDownloadComplete" |
| summary="Time taken to complete download of update manifest"/> |
| <variant name=".FinalizingStartTo.CRXInstallComplete" |
| summary="Time taken to complete the installation of the unpacked |
| extension."/> |
| <variant name=".ManifestDownloadCompleteTo.CRXDownloadComplete" |
| summary="Time taken to complete download of CRX"/> |
| <variant name=".UnpackingStartTo.CheckingExpectationsStart" |
| summary="Time taken to complete the unpacking of the extension |
| archive."/> |
| <variant name=".VerificationStartTo.CopyingStart" |
| summary="Time taken to complete signature verification of CRX"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalledTotalCandidateCount" units="units" |
| expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Total amount of extensions in force installed list. Gets recorded on profile |
| open (which happens on every startup and when user logs in) and tries to |
| load extensions. Number of records should correspond to the sum of records |
| in "Extensions.ForceInstalledLoadTime" and records in |
| "Extensions.ForceInstalledTimedOutAndNotInstalledCount". |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalled{ErrorType}FetchTries" |
| units="retries" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Number of fetch retries made when enterprise policy forced extensions failed |
| to install with {ErrorType}. Recorded for each forced extension that failed |
| to install after 5 minutes with |
| Extensions.`OffStore,Webstore`_ForceInstalledFailureReason3 equal to |
| {ErrorType}. |
| </summary> |
| <token key="ErrorType"> |
| <variant name="" summary="CRX_FETCH_FAILED failure reason."/> |
| <variant name="CrxFetchRetry" summary="CRX_DOWNLOAD_RETRY stage."/> |
| <variant name="ManifestFetchFailed" |
| summary="MANIFEST_FETCH_FAILED failure reason."/> |
| <variant name="ManifestFetchRetry" |
| summary="MANIFEST_DOWNLOAD_RETRY stage."/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.ForceInstalled{ErrorType}NetworkErrorCode" |
| enum="NetErrorCodes" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| Network error code for the last retry attempt when CRX fetch failed for |
| enterprise policy forced extensions failed to install due to {ErrorType}. |
| Recorded for each forced extension that failed to install after 5 minutes |
| with Extensions.`OffStore,WebStore`_ForceInstalledFailureReason3 equal to |
| {ErrorType}. |
| </summary> |
| <token key="ErrorType"> |
| <variant name="" summary="CRX_FETCH_FAILED failure reason."/> |
| <variant name="CrxFetchRetry" summary="CRX_DOWNLOAD_RETRY stage."/> |
| <variant name="ManifestFetchFailed" |
| summary="MANIFEST_FETCH_FAILED failure reason."/> |
| <variant name="ManifestFetchRetry" |
| summary="MANIFEST_DOWNLOAD_RETRY stage."/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.ForceToolbarPinnedCount2" units="extensions" |
| expires_after="2022-04-24"> |
| <owner>nicolaso@chromium.org</owner> |
| <owner>chrome-enterprise-team-core@google.com</owner> |
| <summary> |
| Number of force installed extensions that are "force-pinned" in |
| the ExtensionSettings policy. Recorded after policies are parsed, or |
| refreshed. Only recorded if non-zero. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FromWebstoreInconsistency" |
| enum="ExtensionFromWebstoreInconcistencyEnum" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>anunoy@chromium.org</owner> |
| <summary> |
| Number of apps/extensions loaded on profile open with an inconsistent |
| "from webstore" state. This means an item that is flagged as |
| from_webstore, but with either a non-webstore update_url or an external |
| install location. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.FromWebstoreInconsistency2" |
| enum="ExtensionFromWebstoreInconcistencyEnum" expires_after="2024-01-01"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Number of apps/extensions loaded on profile open with an inconsistent |
| "from webstore" state for "user profiles" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed). This means an item that is flagged as |
| from_webstore, but with either a non-webstore update_url or an external |
| install location. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.ComponentExtensionCalls" |
| enum="ExtensionFunctions" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when a component extension calls an extension API. Recorded once |
| per function call. See also Extensions.Functions.WebUICalls, |
| Extensions.Functions.WebUIUntrustedCalls, and |
| Extensions.Functions.ExtensionCalls. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.ExtensionCalls" enum="ExtensionFunctions" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when a non-component extension calls an extension API. Recorded |
| once per function call. See also Extensions.Functions.WebUICalls, |
| Extensions.Functions.WebUIUntrustedCalls, and |
| Extensions.Functions.ComponentExtensionCalls. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.ExtensionMV3Calls" |
| enum="ExtensionFunctions" expires_after="2023-10-01"> |
| <owner>tjudkins@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when a manifest V3 extension calls an extension API. Note that the |
| function would also be included in either |
| Extensions.Functions.ExtensionCalls or |
| Extensions.Functions.ComponentExtensionCalls histogram. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.ExtensionServiceWorkerCalls" |
| enum="ExtensionFunctions" expires_after="2023-02-12"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when an extension service worker calls an extension API. Note that |
| the function would also be included in either |
| Extensions.Functions.ExtensionCalls or |
| Extensions.Functions.ComponentExtensionCalls histogram. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.Functions.FailedTime{ExtensionFunctionExecutionTime}" |
| enum="ExtensionFunctions" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when an extension function call fails and finishes execution. The |
| suffix indicates the exact bucket the function is in. See also |
| Extensions.Functions.FailedTotalExecutionTime. |
| {ExtensionFunctionExecutionTime} |
| </summary> |
| <token key="ExtensionFunctionExecutionTime" |
| variants="ExtensionFunctionExecutionTime"> |
| <variant name=""/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.FailedTotalExecutionTime{IsKiosk}" |
| units="ms" expires_after="2022-08-21"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The total amount of time it took to execute an extension function that |
| failed from the time the extension function is called to the time the |
| function responds. Note that since some extension functions are inherently |
| slow (anything that requires user interaction, for instance), this is not a |
| definitive source for function performance. In M-102 this histogram was |
| split and events from kiosk extensions are recorded in the separate |
| Extensions.Functions.FailedTotalExecutionTime.Kiosk histogram. |
| </summary> |
| <token key="IsKiosk"> |
| <variant name="" summary="from non-kiosk extension"/> |
| <variant name=".Kiosk" summary="from kiosk extension"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.HandleResponseElapsedTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of time it takes to handle a response for an extension API |
| request. Recorded on the renderer side once we receive the response IPC from |
| the browser and have deserialized the arguments and passed them to the JS |
| context. Only recorded if the response is successfully handled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.StartRequestElapsedTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of time it takes to start an extension API request. Recorded on |
| the renderer side after we perform JS pre-processing, but includes all |
| serialization and dispatching. Only recorded if the request is successfully |
| dispatched. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.Functions.SucceededTime{ExtensionFunctionExecutionTime}" |
| enum="ExtensionFunctions" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when an extension function call succeeds and finishes execution. |
| The suffix indicates the exact bucket the function is in. See also |
| Extensions.Functions.SucceededTotalExecutionTime. |
| {ExtensionFunctionExecutionTime} |
| </summary> |
| <token key="ExtensionFunctionExecutionTime" |
| variants="ExtensionFunctionExecutionTime"> |
| <variant name=""/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.SucceededTotalExecutionTime" units="ms" |
| expires_after="2023-09-03"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The total amount of time it took to execute an extension function that |
| succeeded from the time the extension function is called to the time the |
| function responds. Note that since some extension functions are inherently |
| slow (anything that requires user interaction, for instance), this is not a |
| definitive source for function performance. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.SynchronousExecutionTime" units="ms" |
| expires_after="2023-09-10"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The synchronous amount of time an extension function takes. Note that many |
| extension functions run asynchronously; see also |
| Extensions.Functions.[Succeeded|Failed]TotalExecutionTime. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.WebUICalls" enum="ExtensionFunctions" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when a WebUI context calls an extension API. Recorded once per |
| function call. See also Extensions.Functions.WebUIUntrustedCalls, |
| Extensions.Functions.ComponentExtensionCalls and |
| Extensions.Functions.ExtensionCalls. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Functions.WebUIUntrustedCalls" |
| enum="ExtensionFunctions" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Recorded when a WebUI context calls an extension API. Recorded once per |
| function call. See also Extensions.Functions.WebUICalls, |
| Extensions.Functions.ComponentExtensionCalls and |
| Extensions.Functions.ExtensionCalls. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.GoogleDocOffline.AvailabilityOnResourceRequest" |
| enum="GoogleDocsExtensionAvailablity" expires_after="2023-06-18"> |
| <owner>arabm@chromium.org</owner> |
| <owner>chrome-incognito@google.com</owner> |
| <summary> |
| This histogram records requests to use resources from Google Docs Offline |
| extension, along with whether the extension has been available or not and |
| the request has been done from incognito mode or not. Note that this request |
| is double counted for the imports. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Greylist.Disabled" enum="ExtensionLocation" |
| expires_after="2023-09-07"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Emits the Extension::Location of a newly-disabled greylisted extension. |
| Logged when SafeBrowsingVerdictHandler greylists and disables an installed |
| extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Greylist.Enabled" enum="ExtensionLocation" |
| expires_after="2023-09-07"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Emits the Extension::Location of an extension that was ungreylisted. Logged |
| when SafeBrowsingVerdictHandler ungreylists and enables an installed |
| extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.GuestView.ChangeOwnerWebContentsOnAttach" |
| enum="Boolean" expires_after="2023-10-15"> |
| <owner>mcnee@chromium.org</owner> |
| <owner>src/components/guest_view/OWNERS</owner> |
| <summary> |
| It is possible for a Chrome Apps webview to be attached to a WebContents |
| that did not create it. This reports True if attachment involves a change to |
| the owner WebContents or False if attachment does not change the owner. |
| |
| We'd like to understand how common this case is, as this is architecturally |
| complex to support. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HasPermissions_Install3" enum="Boolean" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether there were any permissions present in an extension when it was |
| installed . To find places where this histogram may be emitted, look for |
| calls to ExtensionService::RecordPermissionMessagesHistogram with the |
| argument Install. For Sync users, this is reported for each device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HasPermissions_Install4" enum="Boolean" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether there were any permissions present in an extension when it was |
| installed for "user profiles" (profiles where people can install |
| extensions, specifically profiles that can have non-component extensions |
| installed). To find places where this histogram may be emitted, look for |
| calls to ExtensionService::RecordPermissionMessagesHistogram with the |
| argument Install. For Sync users, this is reported for each device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HasPermissions_Load3" enum="Boolean" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether there were any permissions present in an extension when it was |
| loaded (which happens at profile open or extension install). To find places |
| where this histogram may be emitted, look for calls to |
| ExtensionService::RecordPermissionMessagesHistogram with the argument Load. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HasPermissions_Load4" enum="Boolean" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether there were any permissions present in an extension when it was |
| loaded (which happens at profile open or extension install) for "user |
| profiles" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed). To find places |
| where this histogram may be emitted, look for calls to |
| ExtensionService::RecordPermissionMessagesHistogram with the argument Load. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HomepageOverrides" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with a homepage override specified in their |
| manifest. Recorded once per profile at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HomepageOverrides2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with a homepage override specified in their |
| manifest. Recorded once per "user profile" (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed) at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostedAppLaunchContainer" enum="AppLaunchContainer" |
| expires_after="2023-04-16"> |
| <owner>benwells@chromium.org</owner> |
| <owner>dominickn@chromium.org</owner> |
| <summary> |
| Records the container used for a hosted app launch, when the app is |
| launched. The definition of 'launch' for the purposes of this histogram is |
| different to that used for the launch type histograms. This definition is |
| less inclusive, for example it does not include navigations to the hosted |
| app due to normal browsing, which the other definition does include. This |
| definition could be thought of more as explicit launches via a launch |
| surface such as the app launcher, chrome://apps, or a shortcut. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostPermissions.GrantedAccess" |
| enum="HostPermissionsAccess" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the host permissions access for a enabled extension as a result of |
| the RuntimeHostPermissions feature. Recorded once per extension at profile |
| initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostPermissions.GrantedAccess2" |
| enum="HostPermissionsAccess" expires_after="never"> |
| <!-- expires-never: Monitors core extension usage. --> |
| |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the host permissions access for a enabled extension as a result of |
| the RuntimeHostPermissions feature. Recorded once per extension at profile |
| initialization for "user profiles" (profiles where people can |
| install extensions, specifically profiles that can have non-component |
| extensions installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostPermissions.GrantedAccessForBroadRequests" |
| enum="HostPermissionsAccess" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the host permissions access for each enabled extension that |
| specifies a host permission that matches an effective TLD. Recorded once per |
| extension at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostPermissions.GrantedAccessForBroadRequests2" |
| enum="HostPermissionsAccess" expires_after="never"> |
| <!-- expires-never: Monitors core extension usage. --> |
| |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the host permissions access for each enabled extension that |
| specifies a host permission that matches an effective TLD. Recorded once per |
| extension at "user profile" (profiles where people can install |
| extensions, specifically profiles that can have non-component extensions |
| installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostPermissions.GrantedAccessForTargetedRequests" |
| enum="HostPermissionsAccess" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the host permissions access for each enabled extension that |
| specifies hosts, but has no host permission that matches an effective TLD. |
| Recorded once per extension at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.HostPermissions.GrantedAccessForTargetedRequests2" |
| enum="HostPermissionsAccess" expires_after="never"> |
| <!-- expires-never: Monitors core extension usage. --> |
| |
| <owner>emiliapaz@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records the host permissions access for each enabled extension that |
| specifies hosts, but has no host permission that matches an effective TLD. |
| Recorded once per extension at "user profile" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.IncognitoAllowed" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been allowed in |
| incognito, and were, for users that have at least one extension that could |
| have been allowed. This excludes anything that doesn't show up in |
| chrome://extensions (platform apps, hosted apps, component extensions), |
| policy-installed extensions, and unpacked extensions. See also |
| Extensions.IncognitoNotAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.IncognitoAllowed2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been allowed in |
| incognito, and were, for users that have at least one extension that could |
| have been allowed. This excludes anything that doesn't show up in |
| chrome://extensions (platform apps, hosted apps, component extensions), |
| policy-installed extensions, and unpacked extensions. Logged at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) initialization. |
| See also Extensions.IncognitoNotAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.IncognitoNotAllowed" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been allowed in |
| incognito, but weren't, for users that have at least one extension that |
| could have been allowed. This excludes anything that doesn't show up in |
| chrome://extensions (platform apps, hosted apps, component extensions), |
| policy-installed extensions, and unpacked extensions. See also |
| Extensions.IncognitoAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.IncognitoNotAllowed2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions (and friends) that could have been allowed in |
| incognito, but weren't, for users that have at least one extension that |
| could have been allowed. This excludes anything that doesn't show up in |
| chrome://extensions (platform apps, hosted apps, component extensions), |
| policy-installed extensions, and unpacked extensions. Logged at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) initialization. |
| See also Extensions.IncognitoAllowed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InitPrefGetExtensionsTime" units="ms" |
| expires_after="M90"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of time that elapsed during the GetExtensions call within |
| ExtensionPrefs::InitPrefStore. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectCssTime" units="ms" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of time for a CSS file to be injected into a page. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectedScriptExecutionTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Monitoring performance of a core extension API. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to execute all scripts for one location within an extension. |
| Recorded every time content scripts injected by extensions are executed. |
| Unlike Extensions.InjectScriptTime, this includes execution time of |
| asynchronously injected scripts. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectEnd_BlockingScriptCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Number of blocking scripts injected at document end by extensions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectEnd_ScriptCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>Number of scripts injected at document end by extensions.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectEnd_Time" units="ms" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to inject all scripts at document end by extensions. Not reported |
| if scripts are executed asynchronously. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectIdle_BlockingScriptCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Number of blocking scripts injected at document idle by extensions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectIdle_ScriptCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>Number of scripts injected at document idle by extensions.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectIdle_Time" units="ms" expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to inject all scripts at document idle by extensions. Not |
| reported if scripts are executed asynchronously. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectStart_BlockingScriptCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Number of blocking scripts injected at document start by extensions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectStart_CssCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitors core extension performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>Number of css files injected by extensions.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectStart_ScriptCount" units="units" |
| expires_after="never"> |
| <!-- expires-never: Used for monitoring extension API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>Number of scripts injected at document start by extensions.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.InjectStart_Time" units="ms" expires_after="never"> |
| <!-- expires-never: Monitors core extension performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Time taken to inject css/scripts at document start by extensions. Not |
| reported if scripts are executed asynchronously. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallFrictionDialogAction" |
| enum="ExtensionInstallFrictionDialogAction" expires_after="2023-10-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Action taken in the extension install friction dialog displayed to Enhanced |
| Safe Browsing users before installing an extension that is not included in |
| the Safe Browsing CRX allowlist. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallPrompt.TimeToCancel" units="ms" |
| expires_after="2022-09-20"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time from first display of the extension installation prompt until the user |
| aborts the installation through clicking the cancel button or dismissing the |
| dialog. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallPrompt.TimeToInstall" units="ms" |
| expires_after="2022-09-20"> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time from first display of the extension installation prompt until the user |
| accepts the installation. Will always be greater than 500ms as the install |
| option is enabled after that time has elapsed. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallPrompt.Type2" |
| enum="ExtensionInstallPromptType" expires_after="2022-08-07"> |
| <owner>meacer@chromium.org</owner> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Type of the extension install prompt displayed when an extension |
| installation is triggered. Replaced Extensions.InstallPrompt.Type 2019-07. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallSource" enum="ExtensionLocation" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its new versions |
| (Extensions.InstallType.User and Extensions.InstallType.Nonuser) that emit |
| only on profile open for "user" profiles (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Installs grouped by the location property in prefs. Emitted once per profile |
| open. |
| </summary> |
| </histogram> |
| |
| <!-- TODO(crbug.com/1383740): Change all .NonUser/.User metrics to use histogram suffixes rather than be duplicated here. --> |
| |
| <histogram name="Extensions.InstallSource.NonUser" enum="ExtensionLocation" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Installs grouped by the location property in prefs for "non-user" |
| profiles (profiles where people can't install extensions, specifically |
| profiles that can have only have non-component extensions installed). |
| Emitted once per profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallSource.User" enum="ExtensionLocation" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Installs grouped by the location property in prefs for "user" |
| profiles (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed). Emitted once per |
| profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallType" enum="ExtensionType" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its new versions |
| (Extensions.InstallType.User and Extensions.InstallType.Nonuser) that emit |
| only on profile open for "user" profiles (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Installs grouped by Extension::HistogramType emitted once per extension |
| install. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallType.NonUser" enum="ExtensionType" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Installs grouped by Extension::HistogramType for non-"user |
| profiles" (profiles where people cannot install extensions, |
| specifically profiles that can only have component extensions installed). |
| Emitted once per extension install. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.InstallType.User" enum="ExtensionType" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Installs grouped by Extension::HistogramType for "user profiles" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). Emitted once per extension |
| install. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.IsRenderedIconSufficientlyVisibleTime" |
| units="microseconds" expires_after="2019-12-01"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of elapsed time taken to render an icon against a specified |
| background color and determine whether it would be visible to the user. |
| Recorded every time the analysis code is called. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAll" units="units" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>The number of extensions and themes loaded at profile open.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAll2" units="units" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions and themes loaded at "user profile" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAllComponentTime" units="ms" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its new versions |
| (Extensions.LoadAllComponentTime.NonUser and |
| Extensions.LoadAllComponentTime.User) that emit only on profile open for |
| "user" profiles (profiles where people can install extensions, |
| specifically profiles that can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Time taken to load all component extensions at profile open. This happens as |
| part of the total initialization time of ExtensionService, measured in |
| Extensions.ExtensionServiceInitTime. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAllComponentTime.NonUser" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to load all component extensions at profile open for |
| non-"user profiles" (profiles where people cannot install |
| extensions, specifically profiles that can only have component extensions |
| installed). This happens as part of the total initialization time of |
| ExtensionService, measured in Extensions.ExtensionServiceInitTime. Emitted |
| once per profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAllComponentTime.User" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to load all component extensions at profile open for "user |
| profiles" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed). This happens as |
| part of the total initialization time of ExtensionService, measured in |
| Extensions.ExtensionServiceInitTime. Emitted once per profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAllTime2" units="ms" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its new versions |
| (Extensions.LoadAllTime2.NonUser and Extensions.LoadAllTime2.User) that emit |
| only on profile open for "user" profiles (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| Time taken to load all non-component extensions at profile open and record |
| metrics. This happens as part of the total initialization time of |
| ExtensionService, measured in Extensions.ExtensionServiceInitTime. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAllTime2.NonUser" units="ms" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extensions system performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to load all non-component extensions at profile open and record |
| metrics for non-"user profiles" (profiles where people cannot |
| install extensions, specifically profiles that can only have component |
| extensions installed). This happens as part of the total initialization time |
| of ExtensionService, measured in Extensions.ExtensionServiceInitTime. |
| Emitted once per profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAllTime2.User" units="ms" expires_after="never"> |
| <!-- expires-never: Monitoring core extensions system performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Time taken to load all non-component extensions at profile open and record |
| metrics for "user profiles" (profiles where people can install |
| extensions, specifically profiles that can have non-component extensions |
| installed). This happens as part of the total initialization time of |
| ExtensionService, measured in Extensions.ExtensionServiceInitTime. Emitted |
| once per profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadApp" units="units" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>The number of apps loaded by each user at profile open.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadApp2" units="units" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of apps loaded by each user at "user profile" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAppExternal" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of externally managed apps loaded by each user at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAppExternal2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of externally managed apps loaded by each user at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAppUser" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of user-installed apps loaded by each user at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadAppUser2" units="units" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of user-installed apps loaded by each user at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadBrowserAction" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of browser action extensions loaded at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadBrowserAction2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of browser action extensions loaded at "user profile" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExtension" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>The number of extensions loaded at profile open.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExtension2" units="units" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions loaded at profile open for "user" |
| profiles (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExtensionExternal" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of externally managed extensions loaded at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExtensionExternal2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of externally managed extensions loaded at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExtensionUser" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of user-installed extensions loaded at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExtensionUser2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of user-installed extensions loaded at "user profile" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadExternal" units="units" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of externally managed extensions and apps loaded at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadHostedApp" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of hosted apps loaded by each user at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadHostedApp2" units="units" expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of hosted apps loaded by each user at "user profile" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadNoExtensionAction" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of extensions that had neither a page nor browser action |
| specified in their manifest. Recorded at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadNoExtensionAction2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions that had neither a page nor browser action |
| specified in their manifest. Recorded at "user profile" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadOffStoreItems" units="Number of items" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of enabled extensions or apps the user has installed that do not |
| update from the Chrome Web Store. Recorded during profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadOffStoreItems2" units="Number of items" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of enabled extensions or apps the user has installed that do not |
| update from the Chrome Web Store. Recorded during "user profile" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadPackagedApp" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of legacy packaged apps loaded by each user at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadPackagedApp2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of legacy packaged apps loaded by each user at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadPlatformApp" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>The number of platform apps loaded at profile open.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadPlatformApp2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of platform apps loaded at "user profile" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadTheme" units="units" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>The number of themes loaded at profile open.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadTheme2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of themes loaded at "user profile" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadType" enum="ExtensionType" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions loaded at profile open grouped by |
| Extension::HistogramType. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadType2" enum="ExtensionType" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions loaded at "user profile" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed) open grouped by |
| Extension::HistogramType. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadUserScript" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of converted user scripts loaded at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.LoadUserScript2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of converted user scripts loaded at "user profile" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Management_Refresh" units="ms" |
| expires_after="2023-05-07"> |
| <owner>jam@chromium.org</owner> |
| <owner>cduvall@chromium.org</owner> |
| <summary> |
| Measures how long ExtensionManagement::Refresh takes. This reloads all |
| enterprise-related policies for all extensions, and is called both at |
| startup and any time the enterprise policy changes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestFetchFailureRetryCountGoogleUrl" |
| units="units" expires_after="M77"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Number of times chrome retried to download an extension update manifest with |
| a url on a google.com domain, before eventually giving up. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestFetchFailureRetryCountOtherUrl" |
| units="units" expires_after="2018-08-30"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Number of times chrome retried to download an extension update manifest with |
| a url on a non google.com domain, before eventually giving up. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestFetchSuccessRetryCountGoogleUrl" |
| units="units" expires_after="M77"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Number of times chrome retried to download an extension update manifest with |
| a url on a google.com domain, before eventually succeeding. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestFetchSuccessRetryCountOtherUrl" |
| units="units" expires_after="M77"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Number of times chrome retried to download an extension update manifest with |
| a url on a non google.com domain, before eventually succeeding. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestIconSetIconWasVisibleForPacked" |
| enum="BooleanVisible" expires_after="2019-09-07"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether an icon that's specified in the manifest is considered |
| visible by our icon analysis code. This stat is only for packed extensions, |
| which we check dynamically when the icon is requested. The stat is emitted |
| the first time the default icon is requested, since we cache the icon that's |
| selected. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestIconSetIconWasVisibleForPackedRendered" |
| enum="BooleanVisible" expires_after="2019-09-07"> |
| <owner>dbertoni@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Reports whether an icon that's specified in the manifest is considered |
| visible by our icon analysis code. This stat is only for packed extensions, |
| which we check dynamically when the icon is requested. The stat is emitted |
| the first time the default icon is requested, since we cache the icon that's |
| selected. |
| |
| This replaces the previous stat, ManifestIconSetIconWasVisibleForPacked, due |
| to a change to our analysis algorithm. The new algorithm renders the icon |
| against the toolbar background color and determines how visible the |
| resulting pixels are. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestVersion" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary>The manifest version of each loaded extension.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.ManifestVersion2" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The manifest version of each loaded extension. Emitted for each extension at |
| "user profils" (profiles where people can install extensions, |
| specifically profiles that can have non-component extensions installed) |
| open. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.Messaging.ExtensionPortsCreated{ExtensionMessagingPortCreationTime}" |
| units="number of ports" expires_after="M85"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of ports created in a given script context at a specific time. |
| Recorded once at the destruction of the script context (when no more ports |
| could be created) if and only if at least one port was created in the |
| context. Only includes ports to extension contexts (i.e., not ports created |
| to tabs or native apps). {ExtensionMessagingPortCreationTime} |
| </summary> |
| <token key="ExtensionMessagingPortCreationTime"> |
| <variant name=""/> |
| <variant name=".Total" summary="The total number of ports created."/> |
| </token> |
| </histogram> |
| |
| <histogram |
| name="Extensions.Messaging.GetPortIdAsyncTime{ExtensionMessagingPortType}" |
| units="ms" expires_after="M85"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The total amount of time between when an extension opens a new channel and |
| when it receives the global port id from the browser and can begin sending |
| messages. {ExtensionMessagingPortType} |
| </summary> |
| <token key="ExtensionMessagingPortType" variants="ExtensionMessagingPortType"> |
| <variant name=""/> |
| </token> |
| </histogram> |
| |
| <histogram |
| name="Extensions.Messaging.GetPortIdSyncTime{ExtensionMessagingPortType}" |
| units="ms" expires_after="M85"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The amount of synchronous time taken for the renderer to request an |
| extension message port id from the browser when a new channel is first |
| opened by an extension. {ExtensionMessagingPortType} |
| </summary> |
| <token key="ExtensionMessagingPortType" variants="ExtensionMessagingPortType"> |
| <variant name=""/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.Messaging.MessageSize" units="bytes" |
| expires_after="2022-11-18"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The size, in bytes, of a message sent from an extension using one of the |
| messaging APIs (e.g. chrome.runtime.sendMessage). All message sizes are |
| logged, but messages over 64 MB in size aren't sent. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.Messaging.SetPortIdTime{ExtensionMessagingPortType}" |
| units="ms" expires_after="M85"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The amount of time for the renderer to inform the browser process of a new |
| port being created with a certain id. This replaces the flow for |
| Extensions.Messaging.GetPortId[A]SyncTime. {ExtensionMessagingPortType} |
| </summary> |
| <token key="ExtensionMessagingPortType" variants="ExtensionMessagingPortType"> |
| <variant name=""/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.Navigation.Scheme" enum="NavigationScheme" |
| expires_after="2024-01-01"> |
| <owner>jkokatsu@google.com</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Counts usage of various schemes (e.g. file:, chrome:, http:) when a |
| navigation is triggered from an extension (such as through tabs API). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NetworkDelay" units="ms" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary>Time that network requests were blocked due to extensions.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.NetworkDelayPercentage" units="%" |
| expires_after="2023-01-23"> |
| <owner>battre@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Percentage of total lifetime a network request was blocked due to an |
| extension. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NewTabPageOverrides" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with a New Tab Page override specified in |
| their manifest. Recorded once per profile at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NewTabPageOverrides2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with a New Tab Page override specified in |
| their manifest. Recorded once per "user profile" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed) at profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NonWebstoreLocation" enum="ExtensionLocation" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <summary> |
| The number of apps/extensions with a non-webstore update_url loaded on |
| profile open and grouped by Extension::Location. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NonWebstoreLocation2" enum="ExtensionLocation" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of apps/extensions with a non-webstore update_url loaded on |
| profile open grouped by Extension::Location. Emitted per "user |
| profiles" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) open. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NonWebStoreNewTabPageOverrides" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>anunoy@chromium.org</owner> |
| <summary> |
| Number of non-WebStore extensions on profile open that override the new tab |
| page. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NonWebStoreNewTabPageOverrides2" units="units" |
| expires_after="2024-01-01"> |
| <owner>anunoy@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Number of non-WebStore extensions on profile open for "user |
| profiles" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) that override the |
| new tab page. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedDisabled" units="extensions" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of disabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for all users on profile |
| initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedDisabled2" units="extensions" |
| expires_after="2024-01-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of disabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for "user profiles" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) on profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedDisabledAndEsbUser" |
| units="extensions" expires_after="2023-10-01"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of disabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for only for Enhanced Safe Browsing |
| users on profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedDisabledAndEsbUser2" |
| units="extensions" expires_after="2024-01-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of disabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for only for Enhanced Safe Browsing |
| users on "user profile" (profiles where people can install |
| extensions, specifically profiles that can have non-component extensions |
| installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedEnabled" units="extensions" |
| expires_after="2023-10-01"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of enabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for all users on profile |
| initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedEnabled2" units="extensions" |
| expires_after="2024-01-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of enabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for "user profiles" |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed) on profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedEnabledAndEsbUser" units="extensions" |
| expires_after="2023-10-01"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of enabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for only for Enhanced Safe Browsing |
| users on profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.NotAllowlistedEnabledAndEsbUser2" |
| units="extensions" expires_after="2024-01-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| The total number of enabled extensions that are not present in the Enhanced |
| Safe Browsing CRX allowlist. Recorded for only for Enhanced Safe Browsing |
| users on "user profile" (profiles where people can install |
| extensions, specifically profiles that can have non-component extensions |
| installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Permissions_Install3" enum="ExtensionPermission3" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The permissions present in an extension when it was installed. To find |
| places where this histogram may be emitted, look for calls to |
| ExtensionService::RecordPermissionMessagesHistogram with the argument |
| Install. For Sync users, this is reported for each device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Permissions_Install4" enum="ExtensionPermission3" |
| expires_after="never"> |
| <!-- expires-never: Monitoring extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The permissions present in an extension when it was installed. To find |
| places where this histogram may be emitted, look for calls to |
| ExtensionService::RecordPermissionMessagesHistogram with the argument |
| Install. Emitted once per "user profile" (profiles where people |
| can install extensions, specifically profiles that can have non-component |
| extensions installed) open. For Sync users, this is reported for each |
| device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Permissions_Load3" enum="ExtensionPermission3" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The permissions present in an extension when it was loaded (which happens at |
| profile open or extension install). To find places where this histogram may |
| be emitted, look for calls to |
| ExtensionService::RecordPermissionMessagesHistogram with the argument Load. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Permissions_Load4" enum="ExtensionPermission3" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The permissions present in an extension when it was loaded (which happens at |
| profile open or extension install). Only emitted for quot;user |
| profiles" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed). To find places |
| where this histogram may be emitted, look for calls to |
| ExtensionService::RecordPermissionMessagesHistogram with the argument Load. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.PowerfulCount" units="extensions" |
| expires_after="2021-12-01"> |
| <owner>tnagel@chromium.org</owner> |
| <owner>chrome-privacy-core@chromium.org</owner> |
| <summary> |
| The number of extensions reported in chrome://management UI with powerful |
| permissions. This number is recorded every time the user opens |
| chrome://management UI. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ProcessManagerStartupHostsTime2" units="ms" |
| expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The time taken to start up persistent background pages for extensions in |
| ExtensionProcessManager when the extension system notifies that it is ready. |
| This version of the histogram does not include cases where the background |
| page startup is deferred, which would have been logged as ~0ms startup in |
| Extensions.ProcessManagerStartupHostsTime. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ResetPermissionsIncrease" enum="Boolean" |
| expires_after="2022-12-01"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether the DISABLE_PERMISSIONS_INCREASE disable reason was removed from an |
| extension while checking for a permissions increase. Recorded during startup |
| and on reload and update, for each extension that has the |
| DISABLE_PERMISSIONS_INCREASE reason. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.RuntimeHostPermissions.ExtensionHasWithheldHosts" |
| enum="BooleanHasWithheldHosts" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Whether an extension had host permissions withheld as a result of the |
| RuntimeHostPermissions feature. Recorded once per extension at profile |
| initialization if and only if the RuntimeHostPermissions feature is enabled |
| and the extension requests any host permissions (i.e., could be affected by |
| the feature). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.RuntimeHostPermissions.ExtensionHasWithheldHosts2" |
| enum="BooleanHasWithheldHosts" expires_after="never"> |
| <!-- expires-never: Monitors core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Whether an extension had host permissions withheld as a result of the |
| RuntimeHostPermissions feature. Recorded once per extension at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) initialization if |
| and only if the RuntimeHostPermissions feature is enabled and the extension |
| requests any host permissions (i.e., could be affected by the feature). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.RuntimeHostPermissions.GrantedHostCount" |
| units="Granted hosts" expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The number of hosts an extension has been granted explicit access to that it |
| also requested (note that if the user granted unrequested hosts, those will |
| not be included in this count). Recorded once per extension at profile |
| initialization if and only if the RuntimeHostPermissions feature is enabled |
| and the extension has had host permissions withheld. See also |
| Extensions.RuntimeHostPermissions.ExtensionHasWithheldHosts. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.RuntimeHostPermissions.GrantedHostCount2" |
| units="Granted hosts" expires_after="never"> |
| <!-- expires-never: Monitors core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of hosts an extension has been granted explicit access to that it |
| also requested (note that if the user granted unrequested hosts, those will |
| not be included in this count). Recorded once per extension at "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) initialization if |
| and only if the RuntimeHostPermissions feature is enabled and the extension |
| has had host permissions withheld. See also |
| Extensions.RuntimeHostPermissions.ExtensionHasWithheldHosts. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SandboxedPageLoad.IsWebAccessibleResource" |
| enum="BooleanVisible" expires_after="2023-11-01"> |
| <owner>solomonkinard@google.com</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Logs if the requested extension subresource is a Web Accessible Resource |
| that is "visible" to any requesting origin. Logged for each |
| extension subresource request if the requesting origin is opaque (with |
| precursor origin also being an extension). |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SandboxUnpackFailureReason2" |
| enum="ExtensionUnpackFailureReason" expires_after="never"> |
| <!-- expires-never: Monitors core extension installation flows. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The reason an extension failed to unpack, recorded when a failure occurs. |
| |
| Replaced Extensions.SandboxUnpackFailureReason because the enum values were |
| not in sync with the C++ enums. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SandboxUnpackHashCheck" enum="BooleanValidHashSum" |
| expires_after="M85"> |
| <owner>achuith@chromium.org</owner> |
| <summary> |
| Whether a CRX file hash sum was the same as in an updater manifest. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SandboxUnpackSuccess" units="units" |
| expires_after="never"> |
| <!-- expires-never: Monitors core extension installation flows. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>Count the number of times a sandboxed CRX unpack succeeds.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.SearchEngineOverrides" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with a search engine override specified in |
| their manifest. Recorded once per profile at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SearchEngineOverrides2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with a search engine override specified in |
| their manifest. Recorded once per "user profile" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed) at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.ServiceWorkerBackground.RegistrationMismatchLocation" |
| enum="ExtensionLocation" expires_after="2023-04-01"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| Recorded when Service Worker registration wasn't found when expected. This |
| also records the manifest location of the extension. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.ServiceWorkerBackground.RegistrationMismatchMitigated" |
| enum="Boolean" expires_after="2023-08-08"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| Whether the attempt to re-register an extension Service Worker to mitigate |
| missing registration issue succeeded. The attempt is performed during |
| extension load. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ServiceWorkerBackground.RegistrationStatus" |
| enum="Boolean" expires_after="2023-06-18"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| Tracks whether background service worker registration succeeded or not. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ServiceWorkerBackground.RegistrationTime" |
| units="ms" expires_after="2022-10-01"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| The amount of time it takes to register a service worker background script. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ServiceWorkerBackground.RegistrationWhenExpected" |
| enum="Boolean" expires_after="2023-08-13"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| Whether or not an expected Service Worker registration was found. Note that |
| this expectation was stored in ExtensionPrefs. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ServiceWorkerBackground.StartWorkerStatus" |
| enum="Boolean" expires_after="2023-10-22"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| Tracks whether background service worker starting succeeded or not. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ServiceWorkerBackground.StartWorkerTime" units="ms" |
| expires_after="2022-10-01"> |
| <owner>lazyboy@chromium.org</owner> |
| <owner>dbertoni@chromium.org</owner> |
| <summary> |
| The amount of time it takes to start the background service worker of an |
| extension. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.SettingsOverridden.BackToGoogleNtpOverriddenDialogResult" |
| enum="SettingsOverriddenDialogResult" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The action taken on the settings overridden dialog that was shown to alert |
| the user of an extension overriding the New Tab Page, when the dialog shown |
| is the version that asks the user if they want to go back to Google's New |
| Tab Page. Recorded once per instance of the dialog being shown, after the |
| action is taken. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.SettingsOverridden.BackToGoogleSearchOverriddenDialogResult" |
| enum="SettingsOverriddenDialogResult" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The action taken on the settings overridden dialog that was shown to alert |
| the user of an extension overriding the default search provider, when the |
| dialog shown is the version that asks the user if they want to go back to |
| Google search. Recorded once per instance of the dialog being shown, after |
| the action is taken. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.SettingsOverridden.BackToOtherSearchOverriddenDialogResult" |
| enum="SettingsOverriddenDialogResult" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The action taken on the settings overridden dialog that was shown to alert |
| the user of an extension overriding the default search provider, when the |
| dialog shown is the version that asks the user if they want to go back to a |
| previous search engine that isn't Google. Recorded once per instance of the |
| dialog being shown, after the action is taken. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.SettingsOverridden.GenericNtpOverriddenDialogResult" |
| enum="SettingsOverriddenDialogResult" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The action taken on the settings overridden dialog that was shown to alert |
| the user of an extension overriding the New Tab Page, when the dialog shown |
| is the generic version. Recorded once per instance of the dialog being |
| shown, after the action is taken. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.SettingsOverridden.GenericSearchOverriddenDialogResult" |
| enum="SettingsOverriddenDialogResult" expires_after="2023-12-15"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The action taken on the settings overridden dialog that was shown to alert |
| the user of an extension overriding the default search provider, when the |
| dialog shown is the generic version. Recorded once per instance of the |
| dialog being shown, after the action is taken. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.StartupPagesOverrides" units="units" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with startup page overrides specified in |
| their manifest. Recorded once per profile at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.StartupPagesOverrides2" units="units" |
| expires_after="2024-01-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>kelvinjiang@chromium.org</owner> |
| <summary> |
| The number of enabled extensions with startup page overrides specified in |
| their manifest. Recorded once per "user profile" (profiles where |
| people can install extensions, specifically profiles that can have |
| non-component extensions installed) at profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SyncBlockedByDefaultWebAppMigration" enum="Boolean" |
| expires_after="2023-08-08"> |
| <owner>alancutter@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Records true whenever an extension sync install attempt was blocked because |
| it was a default Chrome app that has been migrated over to a web app. Never |
| records false. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.SyncGetMessageBundle" units="ms" |
| expires_after="2022-09-11"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The amount of synchronous time spent retrieving an extension's message |
| bundle (the collection of its i18n resources) from the browser. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.ThrottledNetworkRequestDelay" units="ms" |
| expires_after="2022-06-01"> |
| <obsolete> |
| Code removed 2022/12. |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The duration by which a network request was delayed while waiting for |
| extension user script load. Recorded once per request that is delayed, at |
| the time the resource resumes loading. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Toolbar.InvocationSource" |
| enum="ExtensionActionInvocationSource" expires_after="2023-10-08"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The source that triggered an extension action. Recorded once per invocation |
| of an extension action. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Toolbar.PinnedExtensionCount2" |
| units="pinned extensions" expires_after="never"> |
| <!-- expires-never: Monitoring core user behavior with extensions. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The number of extensions that the user has pinned on the toolbar. Recorded |
| once per profile during initialization if the user has at least one |
| extension with an action in the toolbar. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.Toolbar.PinnedExtensionPercentage3" units="%" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core user behavior with extensions. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The percentage of extensions that the user has pinned to the toolbar (i.e., |
| this will be 100 if the user has every extension pinned). Recorded once per |
| profile during initialization if the user has at least one extension with an |
| action in the toolbar. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.UninstallBookmarkApp" enum="Boolean" |
| expires_after="2022-12-01"> |
| <obsolete> |
| Obsolete in M110. |
| </obsolete> |
| <owner>phillis@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Tracks whether bookmark app uninstalling succeeded or not. This is emitted |
| whenever a bookmark app (which is deprecated) gets uninstalled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.UninstallSource" enum="ExtensionUninstallSource" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The source for the extension uninstall. This is only recorded if an |
| uninstall dialog is shown to the user (i.e., it is not recorded for internal |
| "cleanups"). Note: this is no longer emitted for web app |
| uninstalls as of M113. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.UninstallType" enum="ExtensionType" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core extension usage behaviors. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary>Uninstalls grouped by Extension::HistogramType.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.UpdateOnLoad" units="units" expires_after="M85"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| The number of extensions that were updated at browser startup. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.UpdateSource" enum="ExtensionLocation" |
| expires_after="M77"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary>Updates grouped by the location property in prefs.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.UpdateType" enum="ExtensionType" |
| expires_after="M77"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary>Updates grouped by Extension::HistogramType.</summary> |
| </histogram> |
| |
| <histogram name="Extensions.UsedMimeTypeHandler" enum="UsedMimeTypeHandler" |
| expires_after="2021-11-14"> |
| <owner>apotapchuk@chromium.org</owner> |
| <owner>anqing@chromium.org</owner> |
| <summary> |
| Tracks the usage of different MIME type handlers used to view files. It is |
| recorded when the browser intercepts navigation with one of the type |
| handlers. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebRequest.BeforeRequestDeclarativeNetRequestEvaluationTime" |
| units="ms" expires_after="2023-12-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total amount of time taken to evaluate declarativeNetRequest rules in |
| the onBeforeRequest stage, measured in milliseconds. Recorded once per |
| request if and only if at least one declarativeNetRequest rule is present. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebRequest.BeforeRequestDeclarativeNetRequestEvaluationTimeInMicroseconds" |
| units="microseconds" expires_after="2023-12-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total amount of time taken to evaluate declarativeNetRequest rules in |
| the onBeforeRequest stage, measured in microseconds. Recorded once per |
| request if and only if at least one declarativeNetRequest rule is present. |
| This is only emitted for users with high resolution clocks. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebRequest.BeforeRequestListenerEvaluationTime.{HandlerTypes}" |
| units="ms" expires_after="2023-12-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total amount of time, measured in milliseconds, between when an event is |
| dispatched to webRequest listeners and when all responses are received and |
| handled for an onBeforeRequest event. Emitted when there are {HandlerTypes} |
| for the request. Recorded once per request if the request completes. |
| </summary> |
| <token key="HandlerTypes"> |
| <variant name="WebRequestAndDeclarativeNetRequest" |
| summary="both webRequest listeners and declarativeNetRequest rules"/> |
| <variant name="WebRequestOnly" summary="only webRequest listeners"/> |
| </token> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebRequest.BeforeRequestListenerEvaluationTimeInMicroseconds.{HandlerTypes}" |
| units="microseconds" expires_after="2023-12-01"> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total amount of time, measured in milliseconds, between when an event is |
| dispatched to webRequest listeners and when all responses are received and |
| handled for an onBeforeRequest event. Emitted when there are {HandlerTypes} |
| for the request. Recorded once per request if the request completes. This is |
| only emitted for users with high resolution clocks. |
| </summary> |
| <token key="HandlerTypes"> |
| <variant name="WebRequestAndDeclarativeNetRequest" |
| summary="both webRequest listeners and declarativeNetRequest rules"/> |
| <variant name="WebRequestOnly" summary="only webRequest listeners"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.EventListenerFlag" |
| enum="WebRequestEventListenerFlag" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage statistics. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records any flags that were registered in the extraInfoSpec of a webRequest |
| listener, as well as the total number of listeners registered. Recorded each |
| time a new listener is registered. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.KeepaliveRequestState" |
| enum="ExtensionInProgressRequestState" expires_after="2024-02-07"> |
| <owner>bashi@chromium.org</owner> |
| <owner>blink-network-stack@google.com</owner> |
| <summary> |
| Whether and how keepalive requests are blocked. There is a similar histgoram |
| Net.KeepaliveRequest.BlockStatus. See there for the difference between the |
| two histograms. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.RequestHeaderAdded" |
| enum="WebRequest.RequestHeader" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the request header added by extensions using the WebRequest API. |
| Recorded for each network request during the OnBeforeSendHeaders stage. |
| Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.RequestHeaderChanged" |
| enum="WebRequest.RequestHeader" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the request header modified by extensions using the WebRequest API. |
| Recorded for each network request during the OnBeforeSendHeaders stage. |
| Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.RequestHeaderRemoved" |
| enum="WebRequest.RequestHeader" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the request header removed by extensions using the WebRequest API. |
| Recorded for each network request during the OnBeforeSendHeaders stage. |
| Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.ResponseHeaderAdded" |
| enum="WebRequest.ResponseHeader" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the response header added by extensions using the WebRequest API. |
| This is logged for the cumulative delta across all the web request |
| extensions. Recorded for each network request during the OnHeadersReceived |
| stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.ResponseHeaderChanged" |
| enum="WebRequest.ResponseHeader" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the response header modified by extensions using the WebRequest API. |
| This is logged for the cumulative delta across all the web request |
| extensions. Recorded for each network request during the OnHeadersReceived |
| stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.ResponseHeaderRemoved" |
| enum="WebRequest.ResponseHeader" expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Records the response header removed by extensions using the WebRequest API. |
| This is logged for the cumulative delta across all the web request |
| extensions. Recorded for each network request during the OnHeadersReceived |
| stage. Multiple samples can be recorded per request. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.TotalBlockingRequestTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total time a network request took when at least one Web Request listener |
| was registered at the start of the request, and a listener was blocked on |
| the request. Measures from onBeforeRequest to onCompleted/onErrorOccurred, |
| and does not include canceled or redirected requests. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.TotalExtraHeadersRequestTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total time a network request took when at least one Web Request listener |
| with 'extraHeaders' in the extraInfoSpec was registered at the start of the |
| request. Measures from onBeforeRequest to onCompleted/onErrorOccurred, and |
| does not include canceled or redirected requests. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequest.TotalRequestTime" units="ms" |
| expires_after="never"> |
| <!-- expires-never: For monitoring Web Request API performance. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| The total time a network request took when at least one Web Request listener |
| was registered at the start of the request. Measures from onBeforeRequest to |
| onCompleted/onErrorOccurred, and does not include canceled or redirected |
| requests. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequestAction" enum="RequestAction" |
| expires_after="never"> |
| <!-- expires-never: For monitoring Web request actions. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Counts the number of times an action is requested by extensions as part of |
| the Web Request API. For a given web request stage, multiple actions may be |
| logged. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequestBlockingCount" units="extensions" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Number of enabled extensions which have requested the |
| "webRequestBlocking" permission. Includes all kinds of extensions, |
| including component and unpacked extensions. Recorded during profile |
| initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequestBlockingCount2" units="extensions" |
| expires_after="never"> |
| <!-- expires-never: For monitoring Web request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Number of enabled extensions which have requested the |
| "webRequestBlocking" permission. Includes all kinds of extensions, |
| including component and unpacked extensions. Recorded during "user |
| profile" (profiles where people can install extensions, specifically |
| profiles that can have non-component extensions installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequestCount" units="extensions" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>src/extensions/OWNERS</owner> |
| <summary> |
| Number of enabled extensions which have requested the "webRequest" |
| permission. Includes all kinds of extensions, including component and |
| unpacked extensions. Recorded during profile initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebRequestCount2" units="extensions" |
| expires_after="never"> |
| <!-- expires-never: For monitoring Web request API usage. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| Number of enabled extensions which have requested the "webRequest" |
| permission. Includes all kinds of extensions, including component and |
| unpacked extensions. Recorded during "user profile" (profiles |
| where people can install extensions, specifically profiles that can have |
| non-component extensions installed) initialization. |
| </summary> |
| </histogram> |
| |
| <histogram name="Extensions.WebStoreInstall.EsbAllowlistParameter" |
| enum="WebStoreInstallAllowlistParameter" expires_after="2023-10-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Reports the Safe Browsing CRX allowlist state received from Chrome Web Store |
| when a user presses on "Add to Chrome" in Chrome Web Store. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebStoreInstall.NotAllowlistedInstalledWithFriction" |
| enum="Boolean" expires_after="2023-10-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Reports when a user with install friction dialog enabled tries to install an |
| extension that is not included in the Safe Browsing CRX allowlist. 'True' if |
| the install dialog is accepted or 'False' if the friction dialog or install |
| dialog is canceled. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebStoreInstall.NotAllowlistedInstalledWithoutFriction" |
| enum="Boolean" expires_after="2023-10-01"> |
| <owner>jeffcyr@google.com</owner> |
| <owner>chrome-counter-abuse-alerts@google.com</owner> |
| <summary> |
| Reports when a user with install friction dialog disabled tries to install |
| an extension that is not included in the Safe Browsing CRX allowlist. 'True' |
| if the install dialog is accepted or 'False' if the install dialog is |
| canceled. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebUi.DocumentLoadedInMainFrameTime{ExtensionWebUiPageType}" |
| units="ms" expires_after="2021-12-01"> |
| <owner>dpapad@chromium.org</owner> |
| <owner>dbeam@chromium.org</owner> |
| <summary> |
| The amount of time between starting the provisional load and fully loading |
| the document in the main frame of the chrome://extensions page. This |
| corresponds to the WebContentsObserver::DocumentLoadedInFrame method. |
| {ExtensionWebUiPageType} |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.WebUi.LoadCompletedInMainFrame{ExtensionWebUiPageType}" |
| units="ms" expires_after="2021-12-01"> |
| <owner>dpapad@chromium.org</owner> |
| <owner>dbeam@chromium.org</owner> |
| <summary> |
| The amount of time between starting the provisional load and having |
| completed the onload handler in the main frame of the chrome://extensions |
| page. This corresponds to the |
| WebContentsObserver::DocumentOnLoadCompletedInPrimaryMainFrame method. |
| {ExtensionWebUiPageType} |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="Extensions.{ExtensionSource}ForceInstalledFailureManifestInvalidErrorDetail2" |
| enum="ManifestInvalidError" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| The detailed reason why enterprise policy forced extensions had failed to |
| install because fetched update manifest was invalid. Recorded for each |
| forced extension that failed to install after 5 minutes with |
| Extensions.ForceInstalledFailureReason2 equal to MANIFEST_INVALID. |
| |
| Replaced Extensions.ForceInstalledFailureManifestInvalidErrorDetail due to |
| addition of new error BAD_APP_STATUS, and some of the errors that were |
| MISSING_UPDATE_CHECK_TAG would now be reported as BAD_APP_STATUS. |
| </summary> |
| <token key="ExtensionSource"> |
| <variant name="OffStore_" |
| summary="Detailed failure reason for OffStore extensions"/> |
| <variant name="WebStore_" |
| summary="Detailed failure reason for WebStore extensions"/> |
| </token> |
| </histogram> |
| |
| <histogram |
| name="Extensions.{ExtensionSource}ForceInstalled{ErrorType}HttpErrorCode2" |
| enum="HttpResponseCode" expires_after="2023-12-01"> |
| <owner>vkovalova@google.com</owner> |
| <owner>burunduk@chromium.org</owner> |
| <owner>managed-devices@google.com</owner> |
| <summary> |
| HTTP error code for the last retry attempt when for enterprise policy forced |
| extensions failed with {ErrorType}. Recorded for each forced extension that |
| failed to install after 5 minutes with |
| Extensions.`OffStore,WebStore`_ForceInstalledFailureReason3 equal to |
| {ErrorType} and a HTTP response code was received. HTTP response code is |
| received only if there was no network error. Replaced |
| Extensions.ForceInstalledHttpErrorCode because error codes are now reported |
| only when network error code is HTTP_RESPONSE_CODE_FAILURE. |
| </summary> |
| <token key="ExtensionSource"> |
| <variant name="" |
| summary="Aggregated detailed failure reason for any type of extension"/> |
| <variant name="OffStore_" |
| summary="Detailed failure reason for OffStore extensions"/> |
| <variant name="WebStore_" |
| summary="Detailed failure reason for WebStore extensions"/> |
| </token> |
| <token key="ErrorType"> |
| <variant name="" summary="CRX_FETCH_FAILED failure reason."/> |
| <variant name="CrxFetchRetry" summary="CRX_DOWNLOAD_RETRY stage."/> |
| <variant name="ManifestFetchFailed" |
| summary="MANIFEST_FETCH_FAILED failure reason."/> |
| <variant name="ManifestFetchRetry" |
| summary="MANIFEST_DOWNLOAD_RETRY stage."/> |
| </token> |
| </histogram> |
| |
| <histogram name="ExtensionToolbarModel.BrowserActionsCount" units="actions" |
| expires_after="2023-07-07"> |
| <obsolete> |
| Histogram is in the process of being removed in favor of its incremented |
| version that emits only on profile open for "user" profiles |
| (profiles where people can install extensions, specifically profiles that |
| can have non-component extensions installed). |
| </obsolete> |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The total number of extensions that have an icon in the extension toolbar, |
| including those that are unpinned and only show in the extensions menu. |
| Measured once per (non-incognito) profile open. |
| </summary> |
| </histogram> |
| |
| <histogram name="ExtensionToolbarModel.BrowserActionsCount2" units="actions" |
| expires_after="never"> |
| <!-- expires-never: Monitoring core user behavior with extensions. --> |
| |
| <owner>rdevlin.cronin@chromium.org</owner> |
| <owner>extensions-core@chromium.org</owner> |
| <summary> |
| The total number of extensions that have an icon in the extension toolbar, |
| including those that are unpinned and only show in the extensions menu. |
| Measured once per "user" profile (profiles where people can |
| install extensions, specifically profiles that can have non-component |
| extensions installed) open. |
| </summary> |
| </histogram> |
| |
| </histograms> |
| |
| </histogram-configuration> |