| <!-- |
| Copyright 2020 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <!-- |
| This file is used to generate a comprehensive list of Offline histograms |
| along with a detailed description for each histogram. |
| |
| For best practices on writing histogram descriptions, see |
| https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md |
| |
| Please follow the instructions in the OWNERS file in this directory to find a |
| reviewer. If no OWNERS file exists, please consider signing up at |
| go/reviewing-metrics (Googlers only), as all subdirectories are expected to |
| have an OWNERS file. As a last resort you can send the CL to |
| chromium-metrics-reviews@google.com. |
| --> |
| |
| <histogram-configuration> |
| |
| <histograms> |
| |
| <histogram name="Offline.Measurements.HttpProbeResult" |
| enum="OfflineMeasurementsHttpProbeResult" expires_after="2022-06-19"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The result of the HTTP probe of the offline measurements experiment. |
| |
| Each time the Offline Measurements background task runs, one value is stored |
| to prefs. At a later time, when Chrome is starting up, all stored results |
| from past unreported HTTP probes are recorded to the histogram. The stored |
| values are then cleared so they are only recorded once each. |
| </summary> |
| </histogram> |
| |
| <histogram name="Offline.Measurements.IsAirplaneModeEnabled" |
| enum="BooleanEnabled" expires_after="2022-06-19"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| Whether or not airplane mode was enabled when the Offline Measurements |
| background task was run. |
| |
| Each time the Offline Measurements background task runs, the airplane mode |
| status is queried, and then that value is stored to prefs. At a later time, |
| when Chrome is starting up, all stored values are recorded to this |
| histogram. The stored values are then cleared so they are only recorded once |
| each. |
| </summary> |
| </histogram> |
| |
| <histogram name="Offline.Measurements.IsRoaming" enum="Boolean" |
| expires_after="2022-06-19"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| Whether or not the system was roaming when the Offline Measurements |
| background task was run. If there are multiple networks, then if any network |
| is not roaming, we record a value of "not roaming" (false). |
| |
| Each time the Offline Measurements background task runs, it queries all |
| networks if they are marked roaming, and then that value is stored to prefs. |
| At a later time, when Chrome is starting up, all stored values are recorded |
| to this histogram. The stored values are then cleared so they are only |
| recorded once each. |
| </summary> |
| </histogram> |
| |
| <histogram name="Offline.Measurements.MeasurementInterval" units="minutes" |
| expires_after="2022-04-17"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The specified interval (in minutes) which the offline measurements |
| experiment will periodically run. This value is logged when Chrome starts up |
| for users where this feature is enabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Offline.Measurements.TimeBetweenChecks" units="minutes" |
| expires_after="2022-06-19"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The time (in minutes) between the last check and current check for the |
| offline measurements experiment. This value is logged each time the offline |
| measurements background task runs. |
| </summary> |
| </histogram> |
| |
| <histogram name="Offline.Measurements.UserState" |
| enum="OfflineMeasurementsUserState" expires_after="2022-06-19"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The state of the phone and how the user is interacting with it when the |
| Offline Measurements background task runs. |
| |
| Each time the background task runs, it determines the user state, and then |
| that value is stored to prefs. At a later time, when Chrome is starting up, |
| all stored values are recorded to this histogram. The stored values are then |
| cleared so they are only recorded once each. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ConnectivityChanged.DeviceState.Offline" |
| enum="OfflineIndicatorSurfaceState" expires_after="2022-01-16"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <owner>sinansahin@google.com</owner> |
| <owner>twellington@chromium.org</owner> |
| <summary> |
| For OfflineIndicatorV2, records whether the native browser controls can be |
| animated and whether the omnibox is focused. Recorded when the device goes |
| offline. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ConnectivityChanged.DeviceState.Online" |
| enum="OfflineIndicatorSurfaceState" expires_after="2021-05-09"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <owner>sinansahin@google.com</owner> |
| <owner>twellington@chromium.org</owner> |
| <summary> |
| For OfflineIndicatorV2, records whether the native browser controls can be |
| animated and whether the omnibox is focused. Recorded when the device goes |
| online. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.CTR" enum="OfflineIndicatorCTREvent" |
| expires_after="2021-01-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>jianli@chromium.org</owner> |
| <summary> |
| Records events related to click through rate (CTR) calculation for Offline |
| Indicator UI. The CTR can be calculated by computing Clicked/Displayed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ShownDuration" units="ms" |
| expires_after="2021-07-11"> |
| <obsolete> |
| Removed M90. Replaced by OfflineIndicator.ShownDurationV2. |
| </obsolete> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <owner>sinansahin@google.com</owner> |
| <owner>twellington@chromium.org</owner> |
| <summary> |
| The duration the offline indicator was shown. Recorded when the offline |
| indicator hides. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ShownDurationV2" units="ms" |
| expires_after="2022-04-17"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The duration the offline indicator was shown. Recorded when the offline |
| indicator stops being shown. There are two differences between this |
| histogram and OfflineIndicator.ShownDuration: 1) the maximum bucket size and |
| total number of buckets are higher in this histogram, and 2) this histogram |
| is persisted in perfs. The second point means that if the user backgrounds |
| then kills Chrome when the Offline Indicator was shown, then we will still |
| record a sample. Note that in this case, when the user opens Chrome again |
| and if the Offline Indicator is shown, then it will be treated as a |
| continuation from before Chrome was killed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ShownDurationV2.InBackground" units="ms" |
| expires_after="2021-12-05"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The duration the offline indicator was shown and Chrome was in the |
| background. Samples are only recorded to this histogram if Chrome was in the |
| background at some point while the offline indicator was shown. This is |
| recorded when the offline indicator stops being shown. The data for this |
| histogram is persisted in perfs, so if Chrome is killed, then we will still |
| record a sample. Note that in this case, when the user opens Chrome again |
| and the offline indicator is shown, then it will be treated as a |
| continuation from before Chrome was killed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ShownDurationV2.InForeground" units="ms" |
| expires_after="2021-12-05"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The duration the offline indicator was shown and Chrome was in the |
| foreground. This is recorded every time the offline indicator stops being |
| shown. The data for this histogram is persisted in perfs, so if Chrome is |
| killed, then we will still record a sample. Note that in this case, when the |
| user opens Chrome again and the offline indicator is shown, then it will be |
| treated as a continuation from before Chrome was killed. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflineIndicator.ShownDurationV2.InForegroundWithoutBeingBackgrounded" |
| units="ms" expires_after="2022-05-01"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The duration the offline indicator was shown and Chrome was in the |
| foreground. Samples are only recorded to this histogram if Chrome was never |
| in the background while the offline indicator was shown. This is recoreded |
| when the offline indicator stops being shown. The data for this histogram is |
| persisted in perfs, so if Chrome is killed, then we will still record a |
| sample. Note that in this case, when the user opens Chrome again and the |
| offline indicator is shown, then it will be treated as a continuation from |
| before Chrome was killed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ShownDurationV2.NumTimesBackgrounded" |
| units="times backgrounded" expires_after="2022-05-01"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The number of times Chrome was backgrounded while the offline indicator was |
| shown. This is recorded every time the offline indicator stops being shown. |
| The data for this histogram is persisted in perfs, so if Chrome is killed, |
| then we will still record a sample. Note that in this case, when the user |
| opens Chrome again and the offline indicator is shown, then it will be |
| treated as a continuation from before Chrome was killed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflineIndicator.ShownDurationV2.UntilFirstTimeBackgrounded" |
| units="ms" expires_after="2021-12-05"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| The duration the offline indicator was first shown and in the foreground |
| until Chrome was backgrounded. Samples are only recorded to this histogram |
| if Chrome was in the background at some point while the offline indicator |
| was shown. This is recoreded when the offline indicator stops being shown. |
| The data for this histogram is persisted in perfs, so if Chrome is killed, |
| then we will still record a sample. Note that in this case, when the user |
| opens Chrome again and the offline indicator is shown, then it will be |
| treated as a continuation from before Chrome was killed. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.AccessCount" units="units" |
| expires_after="M85"> |
| <owner>jianli@chromium.org</owner> |
| <summary> |
| Number of accesses to the offline page since its creation. This is reported |
| when the offline page was deleted. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.AccessEntryPoint" |
| enum="OfflinePagesAccessEntryPoint" expires_after="2021-08-29"> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Logs the UI location from which an offline page was launched. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.AccessPageCount" |
| enum="OfflinePagesNamespaceEnumeration" expires_after="2022-06-26"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts the number of times an offline page is accessed. Events are reported |
| per offline pages namespace. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.AggregatedRequestResult2" |
| enum="OfflinePagesAggregatedRequestResult" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Result of servicing requests that may contain offline page.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ArchiveManager.ArchiveDirsCreationResult2" |
| enum="PlatformFileError" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| This is recorded every time the archive directory is being created. It |
| doesn't include the case which the archive directory exists. It has suffixes |
| indicating results for temporary or persistent archives directories. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.AutoFetch.CompleteNotificationAction" |
| enum="OfflinePagesAutoFetchNotificationAction" expires_after="2021-10-04"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| This is recorded every time the auto-fetch complete notification is shown or |
| interacted with. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.AutoFetch.InProgressNotificationAction" |
| enum="OfflinePagesAutoFetchNotificationAction" expires_after="2021-10-04"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| This is recorded every time the auto-fetch in-progress notification is shown |
| or interacted with. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.EffectiveConnectionType.OffliningStartType" |
| enum="NQEEffectiveConnectionType" expires_after="2021-06-25"> |
| <owner>petewil@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Effective connection type at the start of an offlining attempt for an |
| attempt that eventually failed. |
| |
| This metric is recorded for RequestCoordinator::SavePageLater API calls. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.EffectiveConnectionType.PauseRequests" |
| enum="NQEEffectiveConnectionType" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Effective connection type when pausing one or more background loads is |
| requested. |
| |
| This metric is recorded for RequestCoordinator::PauseRequests API calls. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.EffectiveConnectionType.RemoveRequests" |
| enum="NQEEffectiveConnectionType" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Effective connection type when removing one or more background loads is |
| requested. |
| |
| This metric is recorded for RequestCoordinator::RemoveRequests API calls. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.EffectiveConnectionType.ResumeRequests" |
| enum="NQEEffectiveConnectionType" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Effective connection type when resuming one or more background loads is |
| requested. |
| |
| This metric is recorded for RequestCoordinator::ResumeRequests API calls. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.EffectiveConnectionType.SavePageLater" |
| enum="NQEEffectiveConnectionType" expires_after="2021-03-01"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Effective connection type when a background load is requested. |
| |
| This metric is recorded for RequestCoordinator::SavePageLater API calls. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.FinalSavePageResult" |
| enum="OfflinePagesBackgroundSavePageResult" expires_after="2021-06-25"> |
| <owner>chili@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Status code of background offlining requests at the final step. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.ImmediateStart.AvailableRequestCount" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests available for processing when |
| processing starts immediately (vs. scheduled). This is for non-svelte |
| devices (where svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.ImmediateStart.AvailableRequestCount.Svelte" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests available for processing when |
| processing starts immediately (vs. scheduled). This is for svelte devices |
| (where svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.ImmediateStart.UnavailableRequestCount" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests unavailable for processing when |
| processing starts immediately (vs. scheduled). This is for non-svelte |
| devices (where svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.ImmediateStart.UnavailableRequestCount.Svelte" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests unavailable for processing when |
| processing starts immediately (vs. scheduled). This is for svelte devices |
| (where svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.ImmediateStartStatus" |
| enum="OfflinePagesBackgroundImmediateStartStatus" |
| expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Status of attempt to immediately start offlining a page in the background |
| while application is still concurrently using the foreground. This may be |
| attempted when an web page download is initially requested or resumed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.LoadingErrorStatusCode" |
| enum="CombinedHttpResponseAndNetErrorCode" expires_after="2021-06-25"> |
| <owner>chili@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The combined http and net error codes that caused a page load failure. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.OfflinerRequestStatus" |
| enum="OfflinePagesBackgroundOfflinerRequestStatus" |
| expires_after="2021-03-01"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Status code of background offlining (loading and saving) requests. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.OffliningPreviewStatus" |
| enum="BooleanEnabled" expires_after="2021-01-25"> |
| <obsolete> |
| Removed 22 Jan 2021. |
| </obsolete> |
| <owner>petewil@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Whether any previews were selected for a page we were asked to make |
| available offline. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.RequestFailure.StartedAttemptCount" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of started attempts by failed background load requests. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.RequestSuccess.StartedAttemptCount" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of started attempts by successful background load requests. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.SavePageFromCCT" units="units" |
| expires_after="2021-06-25"> |
| <owner>chili@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Whether the save page result came from chrome custom tabs.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.ScheduledStart.AvailableRequestCount" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests available for processing when |
| background scheduled processing starts. This is for non-svelte devices |
| (where svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.ScheduledStart.AvailableRequestCount.Svelte" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests available for processing when |
| background scheduled processing starts. This is for svelte devices (where |
| svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.ScheduledStart.UnavailableRequestCount" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests unavailable for processing when |
| background scheduled processing starts. This is for non-svelte devices |
| (where svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.Background.ScheduledStart.UnavailableRequestCount.Svelte" |
| units="units" expires_after="2021-06-25"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of queued background load requests unavailable for processing when |
| background scheduled processing starts. This is for svelte devices (where |
| svelte is determined by base::SysInfo::IsLowEnd()). |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.TimeToCanceled" units="seconds" |
| expires_after="2021-03-01"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Time from background request until it was canceled.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.TimeToSaved" units="seconds" |
| expires_after="2021-03-01"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time from background request until it was successfully saved. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.TimeToStart" units="ms" |
| expires_after="2021-03-01"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time from background request until processing it was first started. This is |
| for non-svelte devices. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Background.TimeToStart.Svelte" units="ms" |
| expires_after="2021-03-01"> |
| <owner>dougarnett@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time from background request until processing it was first started on svelte |
| device. Svelte is determined by base::SysInfo::IsLowEnd(). |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.CleanupThumbnails.Count" units="thumbnails" |
| expires_after="2021-06-25"> |
| <owner>harringtond@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Number of thumbnails removed by the thumbnail cleanup task.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ClearStoragePreRunUsage2" units="KiB" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The total disk storage size used by all offline pages from a specific client |
| namespace. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ClearTemporaryPages.BatchSize" units="pages" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of pages deleted in a batch in one clear storage task. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ClearTemporaryPages.Result" |
| enum="OfflinePagesClearStorageResult" expires_after="2021-06-25"> |
| <owner>romax@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Result of clearing temporary pages to release storage space. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ClearTemporaryPages.TimeSinceCreation" |
| units="minutes" expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| When a temporary page is deleted due to storage pressure, reports the time |
| since its creation. This metric should be useful to track the occurrence of |
| "content thrashing", when automatically created temporary pages |
| are forcing the deletion of recently saved temporary pages. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ConsistencyCheck.Legacy.DeletedHeadlessFileCount" |
| units="files" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of files which are deleted during legacy dir clearing since they have |
| no associated DB entry and live in private directory. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ConsistencyCheck.Persistent.ExpiredEntryCount" |
| units="entries" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of DB entries (in persistent namespaces) that have been missing their |
| files for longer than 365 days, and deleted during maintenance task. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ConsistencyCheck.Persistent.MissingFileCount" |
| units="files" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of files that are found missing during maintenance task, which is |
| also the number of DB entries that are updated with valid file missing time. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ConsistencyCheck.Persistent.ReappearedFileCount" |
| units="files" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of files that were marked as missing reappeared in the file system, |
| which is also the number of DB entries that removes file missing time. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ConsistencyCheck.Persistent.Result" |
| enum="OfflinePagesSyncOperationResult" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Result of persistent page consistency check.</summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.ConsistencyCheck.Temporary.PagesMissingArchiveFileCount" |
| units="pages" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of temporary offline pages without archive file when checking |
| consistency. It will only be reported if the number is larger than 0. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="OfflinePages.ConsistencyCheck.Temporary.PagesMissingDbEntryCount" |
| units="pages" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of archives without database entry when checking temporary page |
| consistency. It will only be reported if the number is larger than 0. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.ConsistencyCheck.Temporary.Result" |
| enum="OfflinePagesSyncOperationResult" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Result of temporary page consistency check.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.DeletePageCount" |
| enum="OfflinePagesNamespaceEnumeration" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts the number of times an offline page is deleted. Events are reported |
| per offline pages namespace. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.DeletePageResult" |
| enum="OfflinePagesDeletePageResult" expires_after="2021-06-25"> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Result of removing an offline copy for a page.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.DidNavigationThrottleCancelNavigation" |
| enum="Boolean" expires_after="2022-06-19"> |
| <owner>curranmax@chromium.org</owner> |
| <owner>tbansal@chromium.org</owner> |
| <summary> |
| Whether or not the OfflinePageNavigationThrottle canceled a navigation |
| request. Requests are only canceled if and only if the navigation request |
| was initiated by the renderer and the request headers contain the |
| "X-Chrome-offline" header. |
| |
| This histogram is recorded each time Chrome tries to create an |
| OfflinePageNavigationThrottle, which only happens on Android (since Offline |
| Pages is only enabled there). |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.DownloadRequestTimeSinceDuplicateRequested" |
| units="seconds" expires_after="2021-11-07"> |
| <owner>dewittj@chromium.org</owner> |
| <owner>fgorski@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| If at request time there is another request with the same URL, this tracks |
| this amount of time between creation of the most recent request and the |
| current request. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.DownloadRequestTimeSinceDuplicateSaved" |
| units="seconds" expires_after="2021-06-25"> |
| <owner>dewittj@chromium.org</owner> |
| <owner>fgorski@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| If at request time there is another downloaded page with the same URL, this |
| tracks this amount of time between creation of the most recent existing page |
| and the current request. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.DownloadUI.PrefetchedItemHasThumbnail" |
| enum="BooleanAvailable" expires_after="2021-06-25"> |
| <owner>harringtond@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Whether or not a thumbnail was provided for a prefetched offline article. |
| Recorded when the item is shown in Downloads Home. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.LastN.IsSavingSamePage" |
| enum="OfflinePagesLastNIsSavingSamePageEnum" expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Upon starting saving a new last_n offline page snapshot, report if that is |
| being done for a page that is new (a navigation happened) or for one that |
| has been previously saved in the same session (no navigation happened). This |
| metric will assist in determining if there is the need to better track |
| actual content changes in pages saved more than once by last_n. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.MhtmlLoadResult" |
| enum="MhtmlLoadResult" expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Result of an attempt to load an MHTML archive to display a trusted offline |
| page, recorded per offline namespace by OfflinePageTabHelper after renderer |
| attempts to load the archive. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.MhtmlLoadResultUntrusted" enum="MhtmlLoadResult" |
| expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Result of an attempt to load an MHTML archive to display an untrusted |
| offline page, recorded by OfflinePageTabHelper after the renderer attempts |
| to load the archive. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.OfflineUsage" enum="OfflinePagesOfflineUsage" |
| expires_after="2022-05-08"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts user-days when Chrome was used in specific ways regarding navigation |
| to online and offline content. Buckets are mutually exclusive so that only |
| one bucket is incremented per reported day. This metric is not recorded to |
| UMA immediately due to potential data loss while offline. So day counters |
| are persisted to prefs and reported to the histogram only when the next UMA |
| data upload is likely to succeed. For more details see: |
| https://goo.gl/GJXwFe. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.OfflineUsage.NotOfflineResilient" |
| enum="OfflinePagesOfflineUsage" expires_after="2022-04-17"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts user-days when Chrome was used in specific ways regarding navigation |
| to online and offline content. Buckets are mutually exclusive so that only |
| one bucket is incremented per reported day. |
| |
| This metric is a mirror of OfflinePages.OfflineUsage but it doesn't use any |
| of the offline resilient mechanisms that one has. Ideally both should report |
| exactly the same values but it is expected this one will lose more samples. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.PageAccessInterval" units="minutes" |
| expires_after="2021-08-29"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Length of time between accesses to an offline page. This is the same time |
| period used for expiring temporary pages. This metric is recorded when an |
| offline page is accessed. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.PageLifetime" units="minutes" |
| expires_after="2021-06-25"> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Length of time between when an offline page was created and was removed. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.PageSize" units="KB" |
| expires_after="2021-06-25"> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Size of the saved copy of an offline page.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.PageSizeOnAccess.Offline" units="KiB" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Records the archive size of an offline page loaded during a navigation that |
| took place while the device was considered to be offline or with poor |
| connectivity. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.PageSizeOnAccess.Online" units="KiB" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Records the archive size of an offline page loaded during a navigation that |
| took place while the device was considered to be online. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.PrefetchEnabled" enum="BooleanEnabled" |
| expires_after="2021-10-31"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts user-days when candidate articles were suggested to the Offline |
| Prefetch pipeline while it was enabled. This metric is not recorded to UMA |
| immediately due to potential data loss while offline. So day counters are |
| persisted to prefs and reported to the histogram only when the next UMA data |
| upload is likely to succeed. For more details see: https://goo.gl/GJXwFe. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.ActionAttempts" units="attempts" |
| expires_after="2021-06-25"> |
| <owner>dewittj@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Number of attempts to perform a specific retriable pipeline action for each |
| finished prefetch item. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.DownloadedFileSize" units="KiB" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Actual size of archive file successfully downloaded by offline page |
| prefetching. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.DownloadExpectedFileSize" units="KiB" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Expected download size of archive file, after gzip content encoding, that |
| started being downloaded by offline page prefetching. Sizes reported in this |
| metric are less than the sizes reported in DownloadedFileSize due to content |
| gzip encoding. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.DownloadFinishedUpdate" |
| enum="OfflinePrefetchDownloadFinishedOutcome" expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Reports the possible outcomes of an archive download finishing and its |
| respective prefetch item being updated in the store. Downloads are expected |
| to succeed or fail but a respective item should always exist and be updated. |
| The "item not found" cases are exceptions. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.FinishedItemErrorCode" |
| enum="OfflinePrefetchItemErrorCode" expires_after="2022-05-08"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Error code representing the reason why each offline prefetch item was |
| finalized. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.ItemLifetime" units="seconds" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The lifetime of an offline prefetch item, from creation until |
| "zombie-fication" (after metrics collection). |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.NotificationAction" |
| enum="OfflinePagePrefetchNotificationAction" expires_after="2021-08-29"> |
| <owner>dewittj@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Actions taken with respect to the offline prefetch notification, includes |
| show attempts to calculate CTR. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.OfflinePageImportResult" |
| enum="OfflinePrefetchPageImportResult" expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Final result of an attempt to import a prefetched article into the Offline |
| Pages system. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.ServiceGetOperationStatus" |
| enum="OfflinePrefetchRequestStatus" expires_after="2021-06-25"> |
| <owner>petewil@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Status returned by a request to the Offline Page Service's GetOperation |
| method. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.ServiceGetPageBundleStatus" |
| enum="OfflinePrefetchRequestStatus" expires_after="2021-06-25"> |
| <owner>petewil@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Status returned by a request to the Offline Page Service's GetPageBundle |
| method. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.StateCounts" |
| enum="OfflinePrefetchItemState" expires_after="2021-06-25"> |
| <owner>petewil@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| A prefetch item was seen in this state when starting the background task. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.StuckItemState" |
| enum="OfflinePrefetchItemState" expires_after="2021-06-25"> |
| <owner>petewil@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| A prefetch item was found in this state after more than 7 days since its |
| creation, time enough for it to have been finalized by the pipeline. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Prefetching.UniqueUrlsAddedCount" units="urls" |
| expires_after="2021-08-29"> |
| <owner>dewittj@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| When receiving suggestions in the prefetch pipeline, emits the number of new |
| suggestions added to the database. If there is an error, nothing is emitted. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.PrefetchStore.StoreEvent" |
| enum="OfflinePagesStoreEvent" expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts when the offline pages prefetch store is opened or closed. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.PrefetchUsage" enum="OfflinePagesPrefetchUsage" |
| expires_after="2022-07-03"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Counts user-days categorized by how Offline Prefetch performed and had its |
| content accessed by the user. Buckets are mutually exclusive so that only |
| one bucket is incremented per reported day. This metric is not recorded to |
| UMA immediately due to potential data loss while offline. So day counters |
| are persisted to prefs and reported to the histogram only when the next UMA |
| data upload is likely to succeed. For more details see: |
| https://goo.gl/GJXwFe. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.PublishArchive.PublishSource" |
| enum="OfflinePagesPublishSource" expires_after="M85"> |
| <owner>petewil@chromium.org</owner> |
| <summary> |
| When publishing an offline page, a page might not be found. This returns the |
| publishing path that was used (ex: by Guid or by OfflineId). |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.SavedPageCountUponQuery" units="pages" |
| expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Total number of saved offline pages recorded when they are all queried from |
| the store. This value is more meaningful when filtered by unique users as |
| that eliminates multiple reports from the same Chrome instance. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.SavePage.AddPageTime" units="ms" |
| expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time taken to successfully create the store metadata entry for an offline |
| page archive during the process of saving an offline page. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.SavePage.ComputeDigestTime" |
| units="ms" expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time taken to successfully compute the digest of an offline page archive |
| during the process of saving an offline page. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.SavePage.CreateArchiveTime" |
| units="ms" expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time taken to successfully create an offline page archive during the process |
| of saving an offline page. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.SavePage.PercentLoaded" units="%" |
| expires_after="M77"> |
| <owner>twellington@chromium.org</owner> |
| <owner>ianwen@chromium.org</owner> |
| <summary> |
| The percentage of the page load completed when the button to save an offline |
| page is pressed. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.SavePage.PublishArchiveTime" |
| units="ms" expires_after="2021-05-31"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Time taken to successfully move an offline page archive to the public |
| downloads folder during the process of saving an offline page. |
| </summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.SavePageResult2" |
| enum="OfflinePagesSavePageResult" expires_after="M85"> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Result of saving an offline copy for a page.</summary> |
| </histogram> |
| |
| <histogram base="true" name="OfflinePages.SavePageTime" units="ms" |
| expires_after="2021-06-25"> |
| <owner>jianli@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The amount of time taken to save an offline copy for a page. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.SharedPageWasOffline" |
| enum="OfflinePagesSharedPageWasOffline" expires_after="2021-06-25"> |
| <owner>dewittj@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary>Whether a shared page was an offline page or not.</summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.Sharing.PublishInternalPageResult" |
| enum="OfflinePagesSavePageResult" expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Result of publishing internal page while sharing. CANCELLED means the page |
| to publish isn't found. ALREADY_EXISTS means the page have already been |
| published before. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.SQLStorage.StoreEvent" |
| enum="OfflinePagesStoreEvent" expires_after="2021-06-25"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Used as a counter to track different events related to offline page store |
| inner working. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.StorageInfo.ExternalArchiveSizeMiB" units="MiB" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The storage space used by the archive files of offline pages, including all |
| files in public directory with mhtml/mht extensions. Collected after every |
| time an offline page is saved successfully. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.StorageInfo.ExternalFreeSpaceMiB" units="MiB" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The amount of free space on the external drive (which contains the public |
| download directory). Collected after every time an offline page is saved |
| successfully. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.StorageInfo.ExternalUsagePercentage" units="%" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The percentage of storage space on the external volume (that contains public |
| download directory) used by offline pages archives. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.StorageInfo.InternalArchiveSizeMiB" units="MiB" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The storage space used by the archive files of offline pages, including the |
| files in temporary and private directory. Collected after every time an |
| offline page is saved successfully. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.StorageInfo.InternalFreeSpaceMiB" units="MiB" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The amount of free space on the internal drive (which contains the app |
| directory). Collected after every time an offline page is saved |
| successfully. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.StorageInfo.InternalUsagePercentage" units="%" |
| expires_after="2021-06-25"> |
| <owner>dimich@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The percentage of storage space on internal volume (that contains the app |
| directory) used by offline pages archives. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.TabRestore" enum="OfflinePagesTabRestoreType" |
| expires_after="2021-06-25"> |
| <owner>carlosk@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| Tracks the reload of contents of an existing tab that is being restored |
| either because that tab is being presented for the first time after Chrome |
| was restarted or because its contents were discarded. All buckets are |
| mutually exclusive (adding up all reported values amounts to the total |
| number of tracked tab restores). This metric is focused on last_n offline |
| pages and is exclusive to Chrome on Android. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.TrustStateOnOpen" enum="OfflinePageTrustedState" |
| expires_after="2021-06-25"> |
| <owner>sclittle@chromium.org</owner> |
| <owner>offline-dev@chromium.org</owner> |
| <summary> |
| The trust state of the offline page. This is recorded when an offline page |
| is being opened. |
| </summary> |
| </histogram> |
| |
| <histogram name="OfflinePages.WebsiteSettings.OpenOnlineButtonVisible" |
| enum="BooleanVisible" expires_after="M77"> |
| <owner>fgorski@chromium.org</owner> |
| <summary> |
| Indicates whether Open online was visible in Page Info popup, when it was |
| shown for an offline page. (The button is visible only when Chrome is |
| connected when the Page Info popup is opened for offline page.) |
| </summary> |
| </histogram> |
| |
| </histograms> |
| |
| </histogram-configuration> |