| <!-- |
| 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 UpdateEngine 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="UpdateEngine.Attempt.ConnectionType" |
| enum="UpdateEngineConnectionType" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The network connection type when the attempt begins. Possible values include |
| "Unknown", "Ethernet", "Wifi", |
| "Wimax", "Bluetooth", "Cellular", |
| "Tethered Ethernet", "Tethered Wifi". |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.DownloadErrorCode" |
| enum="UpdateEngineDownloadErrorCode" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| A more detailed description of the last Payload transfer error when |
| downloading the payload. |
| |
| This is reported when an attempt ends with the "Payload Download |
| Error" result. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.DownloadSource" |
| enum="UpdateEngineDownloadSource" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The download source used, possible values include "HTTPS Server", |
| "HTTP Server" and "HTTP Peer". |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.DurationMinutes" units="minutes" |
| expires_after="2023-10-08"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of minutes the update attempt took including the time the device |
| spent sleeping. |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.DurationUptimeMinutes" units="minutes" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of minutes the update attempt took excluding the time the device |
| spent sleeping. |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.InternalErrorCode" |
| enum="UpdateEngineErrorCode" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| A more detailed description of the last internal error. The possible values |
| correspond to the ErrorCode enumeration in the update_engine source code. |
| |
| This is reported when an attempt ends with the InternalError result. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.Number" units="count" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The attempt number which starts at 0 for the initial attempt and keeps |
| increasing for subsequent attempts. |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.PayloadBytesDownloadedMiB" units="MiB" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of payload mebibytes (1048576 bytes) actually download. |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.PayloadDownloadSpeedKBps" units="KBps" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The payload download speed, in kilobytes per second (1000 bytes/second). |
| This is calculated as the number of bytes downloaded divided by the duration |
| of the attempt (excluding time spent sleeping). |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.PayloadSizeMiB" units="MiB" |
| expires_after="2023-10-08"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The payload size, in mebibytes (1048576 bytes). |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.PayloadType" |
| enum="UpdateEnginePayloadFormat" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The payload type, possible values include "Delta" (if Omaha |
| specified to download a delta payload); and "Full" (if Omaha |
| specified to download a full payload); and "ForcedFull" (if the |
| client specified that it would only accept a full payload). |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.Result" enum="UpdateEngineAttemptResult" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The result of the update attempt. |
| |
| This is reported when an update attempt ends. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.TimeSinceLastAttemptMinutes" |
| units="minutes" expires_after="2023-10-08"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of minutes since the last attempt including the time the device |
| spent sleeping. |
| |
| This is reported when an update attempt ends but only if there was a |
| previous attempt for the same update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Attempt.TimeSinceLastAttemptUptimeMinutes" |
| units="minutes" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of minutes since the last attempt excluding the time the device |
| spent sleeping. |
| |
| This is reported when an update attempt ends but only if there was a |
| previous attempt for the same update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.CertificateCheck.Download" |
| enum="UpdateEngineCertificateCheckStatus" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The status of the certificate check done when downloading a payload over |
| HTTPS. Note that most downloads are done over HTTP. |
| |
| This is reported on every HTTPS connection to the payload download server. |
| Connection drops on the same payload may report different values. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.CertificateCheck.UpdateCheck" |
| enum="UpdateEngineCertificateCheckStatus" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The status of the certificate check done when querying Omaha for a new |
| version. |
| |
| This is reported on every update check. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.DownloadErrorCode" |
| enum="UpdateEngineDownloadErrorCode" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| If unable to download a response from Omaha, a more detailed error code is |
| reported in this metric. |
| |
| This is reported on every update check resulting in "Download |
| error". |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.Reaction" enum="UpdateEngineCheckReaction" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| If there is an update available, this metric will track what the device does |
| with the information. Possible values include "Applying update", |
| "Deferring update", "Ignoring update", and "Backing |
| off". |
| |
| This is reported on update checks resulting in "Update available". |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.Result" enum="UpdateEngineCheckResult" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The update check results from update_engine. Possible values are in sync |
| with the enum class CheckResult in the ChromeOS repo: |
| src/aosp/system/update_engine/common/metrics_constants.h |
| |
| This is reported on every update check. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.RollbackTargetVersion" |
| enum="UpdateEngineChromeOsVersionPrefix" expires_after="2023-11-30"> |
| <owner>mpolzer@google.com</owner> |
| <owner>crisguerrero@chromium.org</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| First section of the ChromeOS target version set by device policy and sent |
| to Omaha if rollback is also allowed. This is a sparse histogram, since the |
| possible valid values are stable ChromeOS version prefixes (usually one per |
| milestone). |
| |
| Example value: 10323 (meaning M65 stable). |
| |
| This is reported on every update check if the TargetVersionPrefix device |
| policy is set and rollback is enabled. |
| |
| This metric is specific to ChromeOS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.TargetVersion" |
| enum="UpdateEngineChromeOsVersionPrefix" expires_after="2023-10-01"> |
| <owner>mpolzer@google.com</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| First section of the Chrome OS target version set by device policy and sent |
| to Omaha. This is a sparse histogram, since the possible valid values are |
| stable Chrome OS version prefixes (usually one per milestone). |
| |
| Example value: 10323 (meaning M65 stable). |
| |
| This is reported on every update check if the TargetVersionPrefix device |
| policy is set. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.TimeSinceLastCheckMinutes" units="minutes" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of minutes since the last check including the time the device |
| spent sleeping. |
| |
| This is reported on every update check except for the first one. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Check.TimeSinceLastCheckUptimeMinutes" |
| units="minutes" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of minutes since the last check excluding the time the device |
| spent sleeping. |
| |
| This is reported on every update check except for the first one. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.ConsecutiveUpdate.Count" units="updates" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of times the inactive partition was updated before reboot. |
| |
| This is reported after every reboot. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.ConsecutiveUpdate.Failed" enum="BooleanHit" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| This is reported after every failed consecutive update. The first update is |
| not included. This metric can be interpreted alongside metrics such as |
| SuccessfulUpdate.AttemptCount, and Attempt.Result. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.ConsumerAutoUpdate" enum="BooleanOptedOut" |
| expires_after="2024-01-01"> |
| <owner>yuanpengni@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| This records if the eligible user has opted out the consumer auto update. |
| Ineligible user will be skipped. |
| |
| This is reported each time Chrome metrics logs are created. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Daily.OSAgeDays" units="days" |
| expires_after="2023-10-08"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The age of the OS in days, defined as the age of the /etc/lsb-release file. |
| |
| This is reported on every update check but at most once a day. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.EnterpriseRollback.Failure" |
| enum="UpdateEngineChromeOsVersionPrefix" expires_after="2023-11-30"> |
| <owner>mpolzer@google.com</owner> |
| <owner>crisguerrero@chromium.org</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| First section of the ChromeOS version to which an enterprise rollback |
| (rollback initiated by the admin of the device) has failed. This is a sparse |
| histogram, since the possible valid values are stable ChromeOS version |
| prefixes (usually one per milestone). |
| |
| Example value: 10323 (meaning M65 stable). |
| |
| This is reported after a rollback image has failed installing. |
| |
| This metric is specific to ChromeOS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.EnterpriseRollback.Success" |
| enum="UpdateEngineChromeOsVersionPrefix" expires_after="2023-11-30"> |
| <owner>mpolzer@google.com</owner> |
| <owner>crisguerrero@chromium.org</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| First section of the ChromeOS version to which an enterprise rollback |
| (rollback initiated by the admin of the device) has succeeded. This is a |
| sparse histogram, since the possible valid values are stable ChromeOS |
| version prefixes (usually one per milestone). |
| |
| Example value: 10323 (meaning M65 stable). |
| |
| This is reported after a rollback image has been successfully installed. |
| |
| This metric is specific to ChromeOS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.FailedUpdateCount" units="count" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The number of consecutive times a device has failed to boot an update that |
| successfully applied. |
| |
| This is reported every time the firmware fails to boot the slot with the |
| update and fell back to the slot it originally updated from. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.InstallDateProvisioningSource" |
| enum="UpdateEngineInstallDateProvisioningSource" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The source used to provision the install-date-days value sent to Omaha with |
| every request. |
| |
| This is reported when OOBE (Out Of Box Experience) completes (M34 or later) |
| or when upgrading to a version with install-date-days support. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.KernelKey.MaxRollforwardSetSuccess" |
| enum="BooleanSuccess" expires_after="2023-11-30"> |
| <owner>mpolzer@google.com</owner> |
| <owner>crisguerrero@chromium.org</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| Whether setting the MaxKernelKeyRollforward value in the TPM succeeded. |
| |
| This is reported every time an update check happens. This is a bool value. |
| |
| This metric is specific to ChromeOS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.KernelKey.MaxRollforwardVersion" units="units" |
| expires_after="2023-11-30"> |
| <owner>mpolzer@google.com</owner> |
| <owner>crisguerrero@chromium.org</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| Maximum value the device can roll forward the minimum kernel key version |
| value in the TPM during the next boot. |
| |
| This value is set to infinity (0xfffffffe) for devices which doesn't allow |
| rollback. |
| |
| Otherwise, the value is the kernel key version of the earliest image to |
| which the device is allowed to roll back. |
| |
| This is reported every time an update check happens. This is a sparse value. |
| |
| This metric is specific to ChromeOS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.KernelKey.MinVersion" units="units" |
| expires_after="2023-11-30"> |
| <owner>mpolzer@google.com</owner> |
| <owner>crisguerrero@chromium.org</owner> |
| <owner>chromeos-commercial-remote-management@google.com</owner> |
| <summary> |
| Minimum kernel key version already set in the TPM. This value specifies |
| which images can be booted up with verified boot. |
| |
| This is reported every time an update check happens. This is a sparse value. |
| |
| This metric is specific to ChromeOS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.Rollback.Result" enum="BooleanSuccess" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| Whether rollback worked. |
| |
| This is reported every time there's a rollback request. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.AttemptCount" units="count" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of update attempts required to update the device. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.BytesDownloadedMiB" units="MiB" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of bytes downloaded in mebibytes (1048576 bytes) using all |
| available sources (e.g. HTTP, HTTPS, HTTP Peer). |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.BytesDownloadedMiBHttpPeer" |
| units="MiB" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of bytes downloaded in mebibytes (1048576 bytes) using HTTP |
| from a local peer. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.BytesDownloadedMiBHttpServer" |
| units="MiB" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of bytes downloaded in mebibytes (1048576 bytes) using |
| HTTP. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.BytesDownloadedMiBHttpsServer" |
| units="MiB" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of bytes downloaded in mebibytes (1048576 bytes) using |
| HTTPS. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.DownloadOverheadPercentage" |
| units="%" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The ratio between bytes downloaded and payload size minus 100. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.DownloadSourcesUsed" |
| enum="UpdateEngineDownloadSources" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The various download sources used - this is a combination of the values |
| "HTTPS Server", "HTTP Server" and "HTTP Peer". |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="UpdateEngine.SuccessfulUpdate.DurationFromSeenDays.NoTimeRestriction" |
| units="days" expires_after="2023-07-16"> |
| <owner>snijhara@google.com</owner> |
| <owner>managed-platforms@google.com</owner> |
| <summary> |
| The total number of days from when an update is first seen to when an update |
| is finished downloading (but before rebooting). This metric is recorded on |
| enterprise-enrolled devices that do not have the |
| DeviceAutoUpdateTimeRestrictions policy enabled. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram |
| name="UpdateEngine.SuccessfulUpdate.DurationFromSeenDays.TimeRestricted" |
| units="days" expires_after="2023-01-01"> |
| <owner>snijhara@google.com</owner> |
| <owner>managed-platforms@google.com</owner> |
| <summary> |
| The total number of days from when an update is first seen to when an update |
| is finished downloading (but before rebooting). This metric is recorded on |
| devices that have the DeviceAutoUpdateTimeRestrictions policy enabled. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.PayloadSizeMiB" units="MiB" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The size of the payload, in mebibytes (1048576 bytes). |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.PayloadType" |
| enum="UpdateEnginePayloadFormat" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The payload type ("Delta", "Full", |
| "ForcedFull") used. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.RebootCount" units="count" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of reboots during the update. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.TotalDurationMinutes" |
| units="minutes" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of minutes from when an update was detected until an update |
| (possibly another update) was applied. This includes the time waiting for |
| update checks and time the device spent sleeping. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.TotalDurationUptimeMinutes" |
| units="minutes" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of minutes from when an update was detected until an update |
| (possibly another update) was applied. This does not include the time |
| waiting for update checks and time the device spent sleeping. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.UpdatesAbandonedCount" |
| units="count" expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of updates that were abandoned since the last successful |
| update. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.SuccessfulUpdate.UrlSwitchCount" units="count" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The total number of times the URL was switched (from e.g. HTTPS to HTTP) |
| because of failures. |
| |
| This is reported on every successful update. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.TimeToRebootMinutes" units="minutes" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The duration between when an update has successfully completed and the user |
| is presented with the "reboot arrow" and when the system has |
| booted into the new update. |
| |
| This is reported every time the device is rebooted after an update has been |
| applied. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| <histogram name="UpdateEngine.UpdateInvalidated" enum="BooleanSuccess" |
| expires_after="2024-01-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| This metric is reported every time the `invalidate_last_update` tag is sent |
| from Omaha. Reports whether the update was able to be fully invalidated. |
| |
| This metric is specific to Chrome OS. |
| </summary> |
| </histogram> |
| |
| </histograms> |
| |
| </histogram-configuration> |
