| <!-- |
| 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 Platform 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="Platform.AnyCrashesDaily" units="count per day" |
| expires_after="2022-04-17"> |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>sonnyrao@chromium.org</owner> |
| <summary> |
| Count of crashes (user, kernel, and unclean shutdowns) during the previous |
| day, or the most recent day the device was in use. Reported at most once a |
| day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.AnyCrashesWeekly" units="count per week" |
| expires_after="2022-05-01"> |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>sonnyrao@chromium.org</owner> |
| <summary> |
| Count of crashes (user, kernel, and unclean shutdowns) during the previous |
| epoch-week, or the most recent epoch-week the device was in use. Reported at |
| most once a week. Epoch-weeks divide the time in 7-day intervals starting at |
| the UNIX epoch. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.AsvGroup" units="units" expires_after="2018-08-30"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Chrome OS (ARM Chromebooks using Exynos 5250 only) Adaptive Support Voltage |
| Group, recorded once per bootup. Indicates which "bin" the SoC is |
| part of, which sets the voltage that different rails on the system will run |
| at. The values 0-11 are valid. A value of 12 indicates an error parsing |
| dmesg and should be investigated. See also Platform.LotIdEnum. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.BatteryAbsent" enum="BooleanAbsent" |
| expires_after="M77"> |
| <owner>cernekee@chromium.org</owner> |
| <summary> |
| Indicates whether the kernel's ACPI Smart Battery System driver logged an |
| error trying to find the battery on boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Bootlockbox.AvailabilityAtStart" |
| enum="BootlockboxAvailability" expires_after="2023-10-24"> |
| <owner>yich@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Record the bootlockbox space availability when bootlockbox started. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.BootMode.DevSwitch" |
| enum="Platform.BootMode.SwitchStatus" expires_after="2022-04-03"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>dossym@chromium.org</owner> |
| <summary> |
| Indicates the status of the developer switch on Chrome OS hardware. The |
| developer switch allows users to run their own code on the device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.BootMode.FirmwareWriteProtect" |
| enum="Platform.BootMode.FirmwareWriteProtect" expires_after="2022-04-17"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>dossym@chromium.org</owner> |
| <summary> |
| On Chrome OS hardware, indicates whether flash write protection is enabled |
| for the firmware indicated by the histogram suffix. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.BootMode.WriteProtectSwitch" |
| enum="Platform.BootMode.SwitchStatus" expires_after="2021-09-05"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>dossym@chromium.org</owner> |
| <summary> |
| Indicates the status of the hardware write protect switch on Chrome OS |
| hardware. The write protect switch protects firmware from being rewritten. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.BootSectorsRead" units="units" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-performance@google.com</owner> |
| <summary> |
| Chrome OS number of disk sectors read at boot from kernel start to |
| login-prompt-ready. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.BootSectorsWritten" units="units" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-performance@google.com</owner> |
| <summary> |
| Chrome OS number of disk sectors written at boot from kernel start to |
| login-prompt-ready. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.ReinitializingToken" |
| enum="ChapsReinitializingToken" expires_after="2023-08-27"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the status code when Chaps needs to reinitializing token. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.Session.Decrypt" enum="ChapsSessionStatus" |
| expires_after="2023-08-27"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps session decrypt operation. The |
| return code is defined in pkcs11 specification. There is exactly one sample |
| logged for every chaps session decrypt operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.Session.Digest" enum="ChapsSessionStatus" |
| expires_after="2023-10-25"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps session digest operation. The |
| return code is defined in pkcs11 specification. There is exactly one sample |
| logged for every chaps session digest operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.Session.Encrypt" enum="ChapsSessionStatus" |
| expires_after="2023-10-25"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps session encrypt operation. The |
| return code is defined in pkcs11 specification. There is exactly one sample |
| logged for every chaps session encrypt operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.Session.Sign" enum="ChapsSessionStatus" |
| expires_after="2023-08-27"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps session sign operation. The |
| return code is defined in pkcs11 specification. There is exactly one sample |
| logged for every chaps session sign operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.Session.Verify" enum="ChapsSessionStatus" |
| expires_after="2023-10-25"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps session verify operation. The |
| return code is defined in pkcs11 specification. There is exactly one sample |
| logged for every chaps session verify operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.TokenManager.LoadToken" |
| enum="TokenManagerStatus" expires_after="2023-08-27"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps token manager load token |
| operation. There is exactly one sample logged for every call to |
| SlotManagerImpl::LoadToken(). |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.TokenManager.UnloadToken" |
| enum="TokenManagerStatus" expires_after="2023-10-01"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the return value of a chaps token manager unload token |
| operation. There is exactly one sample logged for every call to |
| SlotManagerImpl::UnloadToken(). |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Chaps.TPMAvailability" enum="ChapsTPMAvailability" |
| expires_after="2023-08-27"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary>Each sample is the TPM Availability status.</summary> |
| </histogram> |
| |
| <histogram name="Platform.CompressedSwapSize" units="MB" |
| expires_after="2021-11-07"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Chrome OS size of allocated swap area in megabytes (before compression) |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.CpuFrequencyThermalScaling" units="%" |
| expires_after="2022-04-17"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-performance@google.com</owner> |
| <summary> |
| CPU frequency as percent of the baseline frequency, sampled every 30s. This |
| may be throttled down from 100% due to power dissipation issues (too high |
| temperature). It may also be throttled up (turbo), but the kernel does not |
| report the actual turbo frequency, so we put such samples in the 101% |
| bucket. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.CrOS.CrashSenderRemoveReason" |
| enum="CrosCrashSenderRemoveReason" expires_after="2023-08-08"> |
| <owner>iby@chromium.org</owner> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| (Chrome OS only) An enum indicating the reasons for removal of crash reports |
| on devices. Generally, we'll remove crash reports after successfully sending |
| them, but there are other reasons for removal (e.g. if the metadata file was |
| malformed). These should be rare, but bugs in the crash reporting system may |
| cause us to start removing crashes before sending them more often. This |
| metric is intended to monitor crash reporting system health. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.CrOSEvent" enum="CrosEventEnum" expires_after="never"> |
| <!-- expires-never: Used by the core CrOS platform with individual buckets added |
| and removed as makes sense. --> |
| |
| <!-- https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/metrics/OWNERS --> |
| |
| <owner>iby@chromium.org</owner> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>vapier@chromium.org</owner> |
| <summary> |
| Generic event of interest from Chrome OS. Intended mainly to help assess the |
| frequency of rare error conditions. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Crouton.Started" enum="Platform.Crouton.Started" |
| expires_after="2022-10-04"> |
| <owner>drinkcat@chromium.org</owner> |
| <owner>dnschneid@chromium.org</owner> |
| <summary> |
| Detects presence of /run/crouton, indicating that crouton has been started |
| since the previous boot. Value 0/"Total count" is reported on |
| boot, 1/"Started" is reported after the file presence is detected |
| (checked periodically). |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.CumulativeCpuTime" units="seconds" |
| expires_after="M78"> |
| <owner>semenzato@chromium.org</owner> |
| <owner>bsimonnet@chromium.org</owner> |
| <summary> |
| Total CPU time accumulated since the last version update. Reported at most |
| once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.CumulativeUseTime" units="seconds" |
| expires_after="M77"> |
| <owner>semenzato@chromium.org</owner> |
| <owner>bsimonnet@chromium.org</owner> |
| <summary> |
| Total use time (device ON and not asleep) since last version update. |
| Reported at most once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DailyUseTime" units="seconds" expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>semenzato@chromium.org</owner> |
| <owner>bsimonnet@chromium.org</owner> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>iby@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Total use time (device ON and not asleep) in the previous day, or the most |
| recent day the device was in use. Reported at most once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DetachableBase.ActivePercent" units="%" |
| expires_after="2023-10-22"> |
| <owner>fshao@chromium.org</owner> |
| <owner>phoenixshen@chromium.org</owner> |
| <owner>chromeos-kukui@google.com</owner> |
| <summary> |
| Ratio of time a detachable base keyboard is active, i.e. when the USB |
| interface is not auto-suspended. Reported every 30 seconds when the base is |
| connected. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DetachableBase.AttachedOnBoot" enum="BooleanAttached" |
| expires_after="2023-10-22"> |
| <owner>fshao@chromium.org</owner> |
| <owner>phoenixshen@chromium.org</owner> |
| <owner>chromeos-kukui@google.com</owner> |
| <summary> |
| For devices with a detachable base: whether or not the base is connected on |
| boot. Recorded by upstart task on boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DetachableBase.PairResult" |
| enum="DetachableBasePairResult" expires_after="2022-04-24"> |
| <owner>fshao@chromium.org</owner> |
| <owner>phoenixshen@chromium.org</owner> |
| <owner>chromeos-kukui@google.com</owner> |
| <summary>Result of a detachable base pair operation.</summary> |
| </histogram> |
| |
| <histogram name="Platform.DetachableBase.PendingRWUpdate" |
| enum="DetachableBasePendingRWUpdate" expires_after="2022-04-24"> |
| <owner>fshao@chromium.org</owner> |
| <owner>phoenixshen@chromium.org</owner> |
| <owner>chromeos-kukui@google.com</owner> |
| <summary> |
| Detachable base firmware updates can be configured to only occur on boot. In |
| this mode, any update will be considered "pending" until the |
| system is rebooted, at which point the update may take place. Every time a |
| detachable base is connected to the system, a metric representing the |
| pending update status is recorded. Its possible values are as follows: (0) |
| communication error; (1) no update available; (2) critical update available; |
| or (3) non-critical update available. The definition of "critical" |
| is up to the software performing updates, and would typically be used in the |
| case of a security issue, or broken functionality in a previous firmware |
| version. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DetachableBase.ROUpdateResult" |
| enum="DetachableBaseROUpdateResult" expires_after="2022-04-24"> |
| <owner>fshao@chromium.org</owner> |
| <owner>phoenixshen@chromium.org</owner> |
| <owner>chromeos-kukui@google.com</owner> |
| <summary>Result of a detachable base RO firmware update.</summary> |
| </histogram> |
| |
| <histogram name="Platform.DetachableBase.RWUpdateResult" |
| enum="DetachableBaseRWUpdateResult" expires_after="2022-04-24"> |
| <owner>fshao@chromium.org</owner> |
| <owner>phoenixshen@chromium.org</owner> |
| <owner>chromeos-kukui@google.com</owner> |
| <summary>Result of a detachable base RW firmware update.</summary> |
| </histogram> |
| |
| <histogram name="Platform.Discod.AutoWbBwUtilization" units="%" |
| expires_after="2023-09-01"> |
| <owner>dlunev@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Emits when io-burst-triggered Write Boost expires. Specifies how well the |
| Write Boost is utilized, i.e. amount of cycles with bandwidth over trigger |
| threshold divided by total amount of cycles Write Boost was enabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Discod.AutoWbOnCycles" units="cycles" |
| expires_after="2023-09-01"> |
| <owner>dlunev@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Emits when io-burst-triggered Write Boost expires. Specifies length of |
| io-burst-triggered Write Booster period. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Discod.BurstResult" enum="DiscodBurstResult" |
| expires_after="2023-09-01"> |
| <owner>dlunev@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Emits when the io-burst ends or when the burst triggers WriteBoost. |
| Specifies if the burst resulted in enabling Write Booster. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Discod.ExplicitWbBwUtilization" units="%" |
| expires_after="2023-09-01"> |
| <owner>dlunev@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Emits when application-triggered Write Boost expires. Specifies how well the |
| Write Boost is utilized, i.e. amount of cycles with bandwidth over trigger |
| threshold divided by total amount of cycles Write Boost was enabled. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Discod.ExplicitWbOnCycles" units="cycles" |
| expires_after="2023-09-01"> |
| <owner>dlunev@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Emits when applications-triggered Write Boost expires. Specifies length of |
| application-triggered Write Booster period. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DiskUsage.NumUserHomeDirectories" |
| units="home directories" expires_after="2023-10-22"> |
| <owner>achuith@chromium.org</owner> |
| <owner>tls@chromium.org</owner> |
| <summary> |
| Number of users home directories on the device. Logged once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DiskUsage.OldestUserOnDevice" units="days" |
| expires_after="2022-08-01"> |
| <owner>achuith@chromium.org</owner> |
| <owner>omrilio@chromium.org</owner> |
| <summary> |
| Number of days between now and the last login of the device's least recent |
| user. Logged once a day, if disk usage is high. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DiskUsage.UsersOnDevice" units="units" |
| expires_after="M85"> |
| <owner>achuith@chromium.org</owner> |
| <owner>omrilio@chromium.org</owner> |
| <summary> |
| Number of user home dirs on device. Logged once a day, if disk usage is |
| high. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DiskUsageChronos" units="KB" |
| expires_after="2022-04-10"> |
| <owner>keescook@google.com</owner> |
| <summary> |
| Chrome OS KB in use in the /home/chronos filesystem tree. Logged once a day |
| during log file cleanup. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DiskUsageVar" units="KB" expires_after="2022-05-01"> |
| <owner>keescook@google.com</owner> |
| <summary> |
| Chrome OS KB in use in the /var filesystem tree. Logged once a day during |
| log file cleanup. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DlcService.InstallResult" |
| enum="DlcService.InstallResult" expires_after="2023-10-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The result of an attempt to Install a DLC package. DLCs are ChromiumOS |
| Software packages that are installed in the stateful partition. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.DlcService.UninstallResult" |
| enum="DlcService.UninstallResult" expires_after="2023-10-01"> |
| <owner>kimjae@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| The result of an attempt to Uninstall a DLC package. DLCs are ChromiumOS |
| Software packages that are installed in the stateful partition. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Emmc.LifeUsed" enum="EmmcLifeUsed" |
| expires_after="2023-09-12"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| eMMC [5.0] Device lifetime estimation for flash. This field provides an |
| estimated indication about the device lifetime that is reflected by the |
| averaged wear out of memory of a given type relative to its maximum |
| estimated lifetime. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ExternalMetrics.SamplesRead" units="count" |
| expires_after="2023-09-27"> |
| <owner>iby@google.com</owner> |
| <owner>mutexlox@google.com</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| On ChromeOS, number of external metrics samples read in from the platform. |
| Emitted once every 30 seconds. If this is too large (over 100,000), we will |
| silently lose metrics. Additionally, 100,000 is the largest number we'll |
| ever record here: we stop counting when we hit 100,000. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Featured.BootAttemptsSinceLastSafeSeed" |
| units="number of boot attempts" expires_after="2023-10-06"> |
| <owner>kendraketsui@google.com</owner> |
| <owner>mutexlox@google.com</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Records number of boot attempts on a device since receiving a variations |
| safe seed from Chrome. This value is reported every time a device boots. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.FileSystem.ErrorCount" units="errors" |
| expires_after="2023-09-01"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Number of file system errors, as reported by dumpe2fs "FS Error |
| count" field. Reported once per boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.FileSystem.FsckNeeded" enum="Boolean" |
| expires_after="2023-09-01"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| True when kernel reports that the file system needs deep recovery. File |
| system has corruption the kernel can not fix by itself. Reported once per |
| boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.FileSystem.RecoveryNeeded" enum="Boolean" |
| expires_after="2023-09-01"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| True when kernel reports that the file system needed recovery at boot. It |
| indicates the filesytem was not properly unmounted, but was recovered. |
| Reported once per boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Firmware.Mismatch" enum="BooleanDetected" |
| expires_after="2023-10-01"> |
| <owner>yuanpengni@chromium.org</owner> |
| <owner>chromeos-core-services@google.com</owner> |
| <summary> |
| Records if the system firmware mismatched OS bundled firmware. Reported once |
| per boot by dev_debug_vboot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Fwupd.ActivateStatus" enum="FwupdReturnValue" |
| expires_after="2023-09-03"> |
| <owner>campello@google.com</owner> |
| <owner>chromeos-fwupd@google.com</owner> |
| <summary> |
| Indicates the return value of a firmware activation operation via fwupd. |
| Reported once per activation operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Fwupd.UpdateDuration" units="seconds" |
| expires_after="2023-09-03"> |
| <owner>campello@google.com</owner> |
| <owner>chromeos-fwupd@google.com</owner> |
| <summary> |
| Time elapsed during the firmware update operation. Sent after every |
| sucessful update firmware operation via fwupd. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Fwupd.UpdateStatus" enum="FwupdReturnValue" |
| expires_after="2023-09-03"> |
| <owner>campello@google.com</owner> |
| <owner>chromeos-fwupd@google.com</owner> |
| <summary> |
| Indicates the return value of a firmware update operation via fwupd. |
| Reported once per update operation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.AdditionalMemoryNeeded" units="MiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The difference between the amount of memory and swap available and the |
| amount of space needed to successfully hibernate on ChromeOS devices when |
| there is not enough memory available when hibernate is triggered. Recorded |
| at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.Duration.HibernateResumeReady" |
| units="seconds" expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The duration in seconds we waited for the hibernate Resume Signal Ready from |
| powerd on ChromeOS devices. Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.Duration.SetupLVMFiles" units="seconds" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The duration in seconds we wait for hibernate files to be setup on ChromeOS |
| devices with LVM. Reported at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.ExcessMemoryAvailable" units="MiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The difference between the amount of memory and swap available and the |
| amount of space needed to successfully hibernate on ChromeOS devices when |
| there is more memory available than needed when hibernate is triggered. |
| Recorded at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.PreloadImage.Duration" units="seconds" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The duration in seconds spent preloading the hibernate image on ChromeOS |
| devices. Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.PreloadImage.Rate" units="MiB/s" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The rate in MiB/s we are preloading the hibernate image on ChromeOS devices. |
| Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.PreloadImage.Size" units="KiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The size in KiB of the hibernate image we preload on ChromeOS devices. |
| Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.ReadAllData.Duration" units="seconds" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The total duration in seconds spent preloading and moving the hibernate |
| image on ChromeOS devices. This should be the summation of the preloading |
| and main image durations. Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.ReadAllData.Rate" units="MiB/s" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The rate in MiB/s we preloaded and moved the hibernate image on ChromeOS |
| devices. Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.ReadAllData.Size" units="KiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The size in KiB of the hibernate image we preload and move on ChromeOS |
| devices. This should be the summation of the preloaded and main image sizes. |
| Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.ReadMainImage.Duration" units="seconds" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The duration in seconds spent moving in the hibernate image on ChromeOS |
| devices. Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.ReadMainImage.Rate" units="MiB/s" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The rate in MiB/s we are moving the hibernate image on ChromeOS devices. |
| Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.ReadMainImage.Size" units="KiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The size in KiB of the hibernate image we are moving on ChromeOS devices. |
| Reported at resume from hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.WriteHibernateImage.Duration" |
| units="seconds" expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The duration in seconds spent writing the hibernate image on ChromeOS |
| devices. Reported at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.WriteHibernateImage.Rate" units="MiB/s" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The rate in MiB/s we wrote the hibernate image on ChromeOS devices. Reported |
| at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.IO.WriteHibernateImage.Size" units="KiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The size in KiB of the hibernate image we wrote on ChromeOS devices. |
| Reported at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.LoginToResumeReady" units="ms" |
| expires_after="2023-09-10"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| The time between when hiberman receives the request to resume, and when |
| resume is ready to launch. This represents an approximation of how long the |
| user had to wait for a hibernate resume to occur. Recorded when resume is |
| ready, and reported when hiberman flushes metrics at the completion of |
| resume. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.MemoryAndSwapAvailable" units="MiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| ChromeOS total memory and swap available in MiB when hibernate is triggered. |
| Reported at hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Hibernate.MemoryAvailable" units="MiB" |
| expires_after="2023-08-04"> |
| <owner>asavery@chromium.org</owner> |
| <owner>evgreen@chromium.org</owner> |
| <summary> |
| ChromeOS memory available in MiB when hibernate is triggered. Reported at |
| hibernate. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.IntelMaxMicroArchitecture" |
| enum="IntelMaxMicroArchitecture" expires_after="2023-10-22"> |
| <owner>fbarchard@chromium.org</owner> |
| <owner>pwnall@chromium.org</owner> |
| <summary> |
| The maximum supported micro-architecture on an Intel platform. This value is |
| logged at program start time. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KernelCrashesDaily" units="count per day" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of kernel crashes during the previous day, or the most recent day the |
| device was in use. Reported at most once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KernelCrashesPerActiveYear" units="count per year" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of kernel crashes since the last OS update, normalized as number of |
| crashes per year of active use (active use = device is ON and not asleep). |
| Reported daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KernelCrashesPerCpuYear" units="count per CPU year" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of kernel crashes since the last OS update, normalized as number |
| crashes per year of CPU time. Reported daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KernelCrashesSinceUpdate" units="count" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of kernel crashes since the last OS update, reported daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KernelCrashesWeekly" units="count per week" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of kernel crashes during the previous epoch-week, or the most recent |
| epoch-week the device was in use. Reported at most once a week. Epoch-weeks |
| divide the time in 7-day intervals starting at the UNIX epoch. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KernelCrashInterval" units="seconds" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>grundler@chromium.org</owner> |
| <owner>groeck@chromium.org</owner> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Time elapsed between the last two kernel crashes. Sent after every kernel |
| crash. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.KmsVncMethod" enum="KmsVncMethodEnum" |
| expires_after="2022-02-02"> |
| <owner>uekawa@chromium.org</owner> |
| <owner>shaochuan@chromium.org</owner> |
| <summary> |
| KmsVnc graphics method in use, depending on command line flags and |
| auto-detected kernel graphics features. Recorded at start up of VNC server. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Libhwsec.RetryAction{Category}" |
| enum="HwsecRetryActionEnum" expires_after="2023-06-19"> |
| <owner>yich@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the result code of a libhwsec operation issued through |
| libhwsec that belongs to {Category}. Success is 0. For the other error |
| codes, see src/platform2/libhwsec/error/tpm_retry_action.h. Recorded when |
| the libhwsec operation finished in the middleware. |
| </summary> |
| <token key="Category"> |
| <variant name="" summary="hwsec"/> |
| <variant name=".Config" summary="Config"/> |
| <variant name=".Config.IsCurrentUserSet" |
| summary="Config::IsCurrentUserSet"/> |
| <variant name=".Config.Quote" summary="Config::Quote"/> |
| <variant name=".Config.SetCurrentUser" summary="Config::SetCurrentUser"/> |
| <variant name=".Config.ToOperationPolicy" |
| summary="Config::ToOperationPolicy"/> |
| <variant name=".DAMitigation" summary="DAMitigation"/> |
| <variant name=".DAMitigation.GetStatus" summary="DAMitigation::GetStatus"/> |
| <variant name=".DAMitigation.IsReady" summary="DAMitigation::IsReady"/> |
| <variant name=".DAMitigation.Mitigate" summary="DAMitigation::Mitigate"/> |
| <variant name=".Deriving" summary="Deriving"/> |
| <variant name=".Deriving.Derive" summary="Deriving::Derive"/> |
| <variant name=".Deriving.SecureDerive" summary="Deriving::SecureDerive"/> |
| <variant name=".Encryption" summary="Encryption"/> |
| <variant name=".Encryption.Decrypt" summary="Encryption::Decrypt"/> |
| <variant name=".Encryption.Encrypt" summary="Encryption::Encrypt"/> |
| <variant name=".KeyManagement" summary="KeyManagement"/> |
| <variant name=".KeyManagement.CreateKey" |
| summary="KeyManagement::CreateKey"/> |
| <variant name=".KeyManagement.Flush" summary="KeyManagement::Flush"/> |
| <variant name=".KeyManagement.GetECCPublicInfo" |
| summary="KeyManagement::GetECCPublicInfo"/> |
| <variant name=".KeyManagement.GetKeyHandle" |
| summary="KeyManagement::GetKeyHandle"/> |
| <variant name=".KeyManagement.GetPersistentKey" |
| summary="KeyManagement::GetPersistentKey"/> |
| <variant name=".KeyManagement.GetPolicyEndorsementKey" |
| summary="KeyManagement::GetPolicyEndorsementKey"/> |
| <variant name=".KeyManagement.GetPubkeyHash" |
| summary="KeyManagement::GetPubkeyHash"/> |
| <variant name=".KeyManagement.GetRSAPublicInfo" |
| summary="KeyManagement::GetRSAPublicInfo"/> |
| <variant name=".KeyManagement.GetSupportedAlgo" |
| summary="KeyManagement::GetSupportedAlgo"/> |
| <variant name=".KeyManagement.IsSupported" |
| summary="KeyManagement::IsSupported"/> |
| <variant name=".KeyManagement.LoadKey" summary="KeyManagement::LoadKey"/> |
| <variant name=".KeyManagement.ReloadIfPossible" |
| summary="KeyManagement::ReloadIfPossible"/> |
| <variant name=".KeyManagement.SideLoadKey" |
| summary="KeyManagement::SideLoadKey"/> |
| <variant name=".KeyManagement.WrapECCKey" |
| summary="KeyManagement::WrapECCKey"/> |
| <variant name=".KeyManagement.WrapRSAKey" |
| summary="KeyManagement::WrapRSAKey"/> |
| <variant name=".PinWeaver" summary="PinWeaver"/> |
| <variant name=".PinWeaver.BlockGeneratePk" |
| summary="PinWeaver::BlockGeneratePk"/> |
| <variant name=".PinWeaver.CheckCredential" |
| summary="PinWeaver::CheckCredential"/> |
| <variant name=".PinWeaver.GeneratePk" summary="PinWeaver::GeneratePk"/> |
| <variant name=".PinWeaver.GetDelayInSeconds" |
| summary="PinWeaver::GetDelayInSeconds"/> |
| <variant name=".PinWeaver.GetDelaySchedule" |
| summary="PinWeaver::GetDelaySchedule"/> |
| <variant name=".PinWeaver.GetExpirationInSeconds" |
| summary="PinWeaver::GetExpirationInSeconds"/> |
| <variant name=".PinWeaver.GetLog" summary="PinWeaver::GetLog"/> |
| <variant name=".PinWeaver.GetVersion" summary="PinWeaver::GetVersion"/> |
| <variant name=".PinWeaver.GetWrongAuthAttempts" |
| summary="PinWeaver::GetWrongAuthAttempts"/> |
| <variant name=".PinWeaver.InsertCredential" |
| summary="PinWeaver::InsertCredential"/> |
| <variant name=".PinWeaver.InsertRateLimiter" |
| summary="PinWeaver::InsertRateLimiter"/> |
| <variant name=".PinWeaver.IsEnabled" summary="PinWeaver::IsEnabled"/> |
| <variant name=".PinWeaver.RemoveCredential" |
| summary="PinWeaver::RemoveCredential"/> |
| <variant name=".PinWeaver.ReplayLogOperation" |
| summary="PinWeaver::ReplayLogOperation"/> |
| <variant name=".PinWeaver.Reset" summary="PinWeaver::Reset"/> |
| <variant name=".PinWeaver.ResetCredential" |
| summary="PinWeaver::ResetCredential"/> |
| <variant name=".PinWeaver.StartBiometricsAuth" |
| summary="PinWeaver::StartBiometricsAuth"/> |
| <variant name=".Random" summary="Random"/> |
| <variant name=".Random.RandomBlob" summary="Random::RandomBlob"/> |
| <variant name=".Random.RandomSecureBlob" |
| summary="Random::RandomSecureBlob"/> |
| <variant name=".RecoveryCrypto" summary="RecoveryCrypto"/> |
| <variant name=".RecoveryCrypto.EncryptEccPrivateKey" |
| summary="RecoveryCrypto::EncryptEccPrivateKey"/> |
| <variant name=".RecoveryCrypto.GenerateDiffieHellmanSharedSecret" |
| summary="RecoveryCrypto::GenerateDiffieHellmanSharedSecret"/> |
| <variant name=".RecoveryCrypto.GenerateKeyAuthValue" |
| summary="RecoveryCrypto::GenerateKeyAuthValue"/> |
| <variant name=".RecoveryCrypto.GenerateRsaKeyPair" |
| summary="RecoveryCrypto::GenerateRsaKeyPair"/> |
| <variant name=".RecoveryCrypto.SignRequestPayload" |
| summary="RecoveryCrypto::SignRequestPayload"/> |
| <variant name=".RoData" summary="RoData"/> |
| <variant name=".RoData.Certify" summary="RoData::Certify"/> |
| <variant name=".RoData.IsReady" summary="RoData::IsReady"/> |
| <variant name=".RoData.Read" summary="RoData::Read"/> |
| <variant name=".Sealing" summary="Sealing"/> |
| <variant name=".Sealing.IsSupported" summary="Sealing::IsSupported"/> |
| <variant name=".Sealing.PreloadSealedData" |
| summary="Sealing::PreloadSealedData"/> |
| <variant name=".Sealing.Seal" summary="Sealing::Seal"/> |
| <variant name=".Sealing.Unseal" summary="Sealing::Unseal"/> |
| <variant name=".SessionManagement" summary="SessionManagement"/> |
| <variant name=".SessionManagement.FlushInvalidSessions" |
| summary="SessionManagement::FlushInvalidSessions"/> |
| <variant name=".SignatureSealing" summary="SignatureSealing"/> |
| <variant name=".SignatureSealing.Challenge" |
| summary="SignatureSealing::Challenge"/> |
| <variant name=".SignatureSealing.Seal" summary="SignatureSealing::Seal"/> |
| <variant name=".SignatureSealing.Unseal" |
| summary="SignatureSealing::Unseal"/> |
| <variant name=".Signing" summary="Signing"/> |
| <variant name=".Signing.RawSign" summary="Signing::RawSign"/> |
| <variant name=".Signing.Sign" summary="Signing::Sign"/> |
| <variant name=".Signing.Verify" summary="Signing::Verify"/> |
| <variant name=".State" summary="State"/> |
| <variant name=".State.IsEnabled" summary="State::IsEnabled"/> |
| <variant name=".State.IsReady" summary="State::IsReady"/> |
| <variant name=".State.Prepare" summary="State::Prepare"/> |
| <variant name=".State.WaitUntilReady" summary="State::WaitUntilReady"/> |
| <variant name=".Storage" summary="Storage"/> |
| <variant name=".Storage.Destroy" summary="Storage::Destroy"/> |
| <variant name=".Storage.IsReady" summary="Storage::IsReady"/> |
| <variant name=".Storage.IsWriteLocked" summary="Storage::IsWriteLocked"/> |
| <variant name=".Storage.Load" summary="Storage::Load"/> |
| <variant name=".Storage.Lock" summary="Storage::Lock"/> |
| <variant name=".Storage.Prepare" summary="Storage::Prepare"/> |
| <variant name=".Storage.Store" summary="Storage::Store"/> |
| <variant name=".U2f" summary="U2f"/> |
| <variant name=".U2f.Check" summary="U2f::Check"/> |
| <variant name=".U2f.CheckUserPresenceOnly" |
| summary="U2f::CheckUserPresenceOnly"/> |
| <variant name=".U2f.CorpAttest" summary="U2f::CorpAttest"/> |
| <variant name=".U2f.G2fAttest" summary="U2f::G2fAttest"/> |
| <variant name=".U2f.Generate" summary="U2f::Generate"/> |
| <variant name=".U2f.GenerateUserPresenceOnly" |
| summary="U2f::GenerateUserPresenceOnly"/> |
| <variant name=".U2f.GetG2fAttestData" summary="U2f::GetG2fAttestData"/> |
| <variant name=".U2f.Sign" summary="U2f::Sign"/> |
| <variant name=".U2f.SignUserPresenceOnly" |
| summary="U2f::SignUserPresenceOnly"/> |
| <variant name=".Vendor" summary="Vendor"/> |
| <variant name=".Vendor.DeclareTpmFirmwareStable" |
| summary="Vendor::DeclareTpmFirmwareStable"/> |
| <variant name=".Vendor.GetFamily" summary="Vendor::GetFamily"/> |
| <variant name=".Vendor.GetFingerprint" summary="Vendor::GetFingerprint"/> |
| <variant name=".Vendor.GetFirmwareVersion" |
| summary="Vendor::GetFirmwareVersion"/> |
| <variant name=".Vendor.GetIFXFieldUpgradeInfo" |
| summary="Vendor::GetIFXFieldUpgradeInfo"/> |
| <variant name=".Vendor.GetManufacturer" summary="Vendor::GetManufacturer"/> |
| <variant name=".Vendor.GetRsuDeviceId" summary="Vendor::GetRsuDeviceId"/> |
| <variant name=".Vendor.GetRwVersion" summary="Vendor::GetRwVersion"/> |
| <variant name=".Vendor.GetSpecLevel" summary="Vendor::GetSpecLevel"/> |
| <variant name=".Vendor.GetTpmModel" summary="Vendor::GetTpmModel"/> |
| <variant name=".Vendor.GetVendorSpecific" |
| summary="Vendor::GetVendorSpecific"/> |
| <variant name=".Vendor.IsSrkRocaVulnerable" |
| summary="Vendor::IsSrkRocaVulnerable"/> |
| <variant name=".Vendor.SendRawCommand" summary="Vendor::SendRawCommand"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.LogicalCpuCount" units="units" |
| expires_after="2022-08-21"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-performance@google.com</owner> |
| <summary> |
| Number of logical processors. This includes Hyperthreaded cores. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.LotIdEnum" enum="Exynos5250LotIdEnum" |
| expires_after="2018-08-30"> |
| <owner>Please list the metric's owners. Add more owner tags as needed.</owner> |
| <summary> |
| Chrome OS (ARM Chromebooks using Exynos 5250 only) indication about whether |
| we're part of a special lot ID. Special lot IDs are groups of chips that |
| have special case handling in the kernel for the Adaptive Support Voltage |
| code (the normal logic doesn't work). See also Platform.AsvGroup. Note that |
| fused devices are never part of a special lot (currently) and only some |
| unfused lots are "special". |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Mem" units="%" expires_after="2022-07-02"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Various memory usage % of total memory on Chrome OS devices (snapshotted |
| every 30s). Warning: this histogram was expired from 2021-07-02 to 2022-01; |
| data may be missing. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Meminfo" units="KB" expires_after="2023-10-08"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Various memory usage amount on Chrome OS devices (snapshotted every 30s). |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Memory.ARC" units="MiB" expires_after="2023-10-01"> |
| <!-- Name completed by histogram_suffixes name="ProcessMemoryType" --> |
| |
| <owner>bgeffon@chromium.org</owner> |
| <owner>khmel@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Memory usage of all ARC and ARCVM processes in Chrome OS, reported every 10 |
| minutes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Memory.Browser" units="MiB" |
| expires_after="2023-10-08"> |
| <!-- Name completed by histogram_suffixes name="ProcessMemoryType" --> |
| |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Memory usage of browser and helper processes (excluding GPU process and |
| renderers) in Chrome OS, reported every 10 minutes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Memory.Daemons" units="MiB" |
| expires_after="2023-10-15"> |
| <!-- Name completed by histogram_suffixes name="ProcessMemoryType" --> |
| |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Memory usage of user-level daemons in Chrome OS, reported every 10 minutes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Memory.Gpu" units="MiB" expires_after="2023-10-15"> |
| <!-- Name completed by histogram_suffixes name="ProcessMemoryType" --> |
| |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Memory usage of the GPU process in Chrome OS, reported every 10 minutes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Memory.Renderers" units="MiB" |
| expires_after="2023-08-08"> |
| <!-- Name completed by histogram_suffixes name="ProcessMemoryType" --> |
| |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Memory usage of renderer processes in Chrome OS, reported every 10 minutes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Memory.VMs" units="MiB" expires_after="2023-10-22"> |
| <!-- Name completed by histogram_suffixes name="ProcessMemoryType" --> |
| |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Memory usage of VMs (crostini and others, except for ARCVM) in Chrome OS, |
| reported every 10 minutes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MemuseAnon0" units="units" expires_after="M85"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <summary> |
| Chrome OS total anonymous memory (active + inactive) as % of total memory 1 |
| minute after boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MemuseAnon1" units="units" expires_after="M85"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <summary> |
| Chrome OS total anonymous memory (active + inactive) as % of total memory 5 |
| minutes after boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MemuseAnon2" units="units" expires_after="M85"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <summary> |
| Chrome OS total anonymous memory (active + inactive) as % of total memory 30 |
| minutes after boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MemuseAnon3" units="units" expires_after="M85"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <summary> |
| Chrome OS total anonymous memory (active + inactive) as % of total memory |
| 150 minutes after boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MemuseAnon4" units="units" expires_after="M85"> |
| <owner>hajimehoshi@chromium.org</owner> |
| <owner>kouhei@chromium.org</owner> |
| <summary> |
| Chrome OS total anonymous memory (active + inactive) as % of total memory |
| 750 minutes after boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MiniDiag.Launch" units="launches" |
| expires_after="2023-10-08"> |
| <owner>roccochen@chromium.org</owner> |
| <owner>chromeos-minidiag-eng@google.com</owner> |
| <summary> |
| Total number of launches of the MiniDiag (pre-boot diagnostic tool) since |
| the last upload. This metrics is recorded right after booting into ChromeOS. |
| This metrics leverages a coreboot command, elogtool, to retrieve the event |
| log and count launch events. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MiniDiag.OpenDuration" units="seconds" |
| expires_after="2023-08-08"> |
| <owner>roccochen@chromium.org</owner> |
| <owner>chromeos-minidiag-eng@google.com</owner> |
| <summary> |
| Records the duration that the MiniDiag (pre-boot diagnostic tool) is open. |
| This metrics is recorded right after booting into ChromeOS. This metrics |
| leverages a coreboot command, elogtool, to retrieve the event log and count |
| launch events. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MiniDiag.{TestType}.OpenDuration" units="seconds" |
| expires_after="2023-08-08"> |
| <owner>roccochen@chromium.org</owner> |
| <owner>chromeos-minidiag-eng@google.com</owner> |
| <summary> |
| Test item-specific duration of the MiniDiag (pre-boot diagnostic tool) since |
| the last upload. This metrics is recorded right after booting into ChromeOS. |
| This metrics leverages a coreboot command, elogtool, to retrieve the event |
| log and count launch events. The TestType is the same as |
| cros_diagnostics_diag_types listed in coreboot/util/cbfstool/eventlog.c |
| since all the data are parsed from them. |
| </summary> |
| <token key="TestType"> |
| <variant name="MemoryCheckFull"/> |
| <variant name="MemoryCheckQuick"/> |
| <variant name="StorageHealthInfo"/> |
| <variant name="StorageSelfTestExtended"/> |
| <variant name="StorageSelfTestShort"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.MiniDiag.{TestType}.Result" enum="MiniDiagResultType" |
| expires_after="2023-08-08"> |
| <owner>roccochen@chromium.org</owner> |
| <owner>chromeos-minidiag-eng@google.com</owner> |
| <summary> |
| Test item-specific results of the MiniDiag (pre-boot diagnostic tool) since |
| the last upload. This metrics is recorded right after booting into ChromeOS. |
| This metrics leverages a coreboot command, elogtool, to retrieve the event |
| log and count launch events. The TestType and MiniDiagResultType are the |
| same as cros_diagnostics_diag_types and cros_diagnostics_diag_results listed |
| in coreboot/util/cbfstool/eventlog.c since all the data are parsed from |
| them. |
| </summary> |
| <token key="TestType"> |
| <variant name="MemoryCheckFull"/> |
| <variant name="MemoryCheckQuick"/> |
| <variant name="StorageHealthInfo"/> |
| <variant name="StorageSelfTestExtended"/> |
| <variant name="StorageSelfTestShort"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.Missive.ClientEnqueueResult" |
| enum="EnterpriseCloudReportingStatusCode" expires_after="2023-11-30"> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>xuhong@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| Recorded when missive clientlib calls ReportQueue::Enqueue to post an event |
| to ERP. It counts occurrences of the call returning success or each possible |
| error Status. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.CpuUsage" units="%" |
| expires_after="2024-03-20"> |
| <owner>xuhong@chromium.org</owner> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| The percentage of CPU time that the Missive daemon has been using. The CPU |
| usage is not expected to be high and any usage beyond 100% is considered to |
| be in the overflow bucket. This is reported once every 10 minutes and only |
| if the Missive daemon is running. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.MemoryUsage" units="0.1MiB" |
| expires_after="2023-09-03"> |
| <owner>xuhong@chromium.org</owner> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| The amount of memory that the Missive daemon has been using. This is |
| reported once every 10 minutes and only if the Missive daemon is running. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.MigrationStatus" |
| enum="MissiveMigrationStatus" expires_after="2024-03-24"> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>xuhong@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| Recorded when Missive runs the storage directory migration function (called |
| each time when Missive starts). It counts the status of the migration. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.ResourceExhaustedCase" |
| enum="ResourceExhaustedCase" expires_after="2023-11-17"> |
| <owner>xuhong@chromium.org</owner> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| Counter of each case RESOURCE_EXHAUSTED error was returned by missive |
| Storage to the caller. This is reported only when such error happens |
| (rarely), and only if the Missive daemon is running. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.StorageQueueGenerationIdReset" enum="Boolean" |
| expires_after="2024-01-31"> |
| <owner>vshenvi@google.com</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| Would only be true. Recorded whenever the generation id is reset in the |
| storage queue. The generation id is set up once during storage queue |
| initialization using the metadata file that matches the last sequencing id |
| used to track, deduplicate and confirm delivery by the server. The |
| generation id is reset when this file is missing or corrupted and the |
| sequencing is irreparably broken. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.StorageUsage" units="MiB" |
| expires_after="2023-09-03"> |
| <owner>xuhong@chromium.org</owner> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| The amount of disk storage that the Missive daemon has been using for |
| storing encrypted records. This is reported once every hour and only if the |
| Missive daemon is running. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Missive.UnusualEnqueueTimestamp" enum="Boolean" |
| expires_after="2024-01-30"> |
| <owner>xuhong@chromium.org</owner> |
| <owner>lbaraz@chromium.org</owner> |
| <owner>cros-reporting-team@google.com</owner> |
| <summary> |
| Would only be true. Recorded whenever an unusual timestamp is encountered |
| when enqueuing a record, which will be rejected. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.CheckForWedgedModemResult" |
| enum="ModemfwdCheckForWedgedModemResult" expires_after="2023-09-17"> |
| <owner>andrewlassalle@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary> |
| Result of the |CheckForWedgedModem| function. The function checks the modem |
| state after modemfwd starts, and tries to recover the modem if the modem is |
| non responsive. This function is only called once after boot, so a single |
| value is emitted per boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.DlcInstallResult" |
| enum="ModemfwdDlcInstallResult" expires_after="2023-10-22"> |
| <owner>andrewlassalle@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary> |
| Result of the DLC install action performed by modemfwd. Some device variants |
| use a DLC to store their FW. When this DLC is installed, a metric is logged. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.DlcUninstallResult" |
| enum="ModemfwdDlcUninstallResult" expires_after="2023-10-01"> |
| <owner>andrewlassalle@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary> |
| Result of each DLC uninstall action performed by modemfwd. Modemfwd will |
| remove any modem DLCs that are not for the device's variant. Each uninstall |
| will log a metric. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.FWInstallResult" |
| enum="ModemfwdFWInstallResult" expires_after="2023-10-22"> |
| <owner>andrewlassalle@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary>The result of each modem FW install attempt.</summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.FWInstallTime" units="seconds" |
| expires_after="2023-06-17"> |
| <owner>ujjwalpande@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary> |
| Metric to track time taken by modemfwd helpers in seconds to flash the |
| firmwares to modem. Values will be reported only for successful flashing |
| cases as flashing times in case of failures could be misleading. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.FWUpdateLocation" |
| enum="ModemfwdFWUpdateLocation" expires_after="2023-10-22"> |
| <owner>andrewlassalle@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary> |
| The location that modemfwd uses for the FW install. After modemfwd |
| determines if a DLC will be used or not, a metric is logged with the |
| location used. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Modemfwd.ModemRecoveryState" |
| enum="ModemfwdModemRecoveryState" expires_after="2024-03-06"> |
| <owner>ujjwalpande@google.com</owner> |
| <owner>cros-connectivity@google.com</owner> |
| <summary>Report state of modem recovery operation.</summary> |
| </histogram> |
| |
| <histogram name="Platform.MountEncrypted.EncryptionKeyStatus" |
| enum="MountEncryptedEncryptionKeyStatus" expires_after="2023-09-10"> |
| <owner>apronin@chromium.org</owner> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| File system encryption key status for the encrypted stateful file system on |
| Chrome OS. The encryption key is the one that is used by the kernel to |
| protect actual file contents on disk. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MountEncrypted.SystemKeyStatus" |
| enum="MountEncryptedSystemKeyStatus" expires_after="2023-09-10"> |
| <owner>apronin@chromium.org</owner> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Type/Origin of the system key used for the encrypted stateful file system on |
| Chrome OS. This key is used to wrap the actual file system encryption key. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.MountEncrypted.TimeToTakeTpmOwnership" units="ms" |
| expires_after="2021-12-31"> |
| <owner>apronin@chromium.org</owner> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cylai@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The amount of time for Chrome OS mount-encrypted to take TPM ownership. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.PageFaultsLong" units="page faults/second" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Page faults per second averaged over 30s interval, sampled continuously. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.PageFaultsShort" units="page faults/second" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Page faults per second averaged over 1s interval, sampled every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ReadSectorsLong" units="sectors per second" |
| expires_after="2023-09-01"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Number of disk sectors per second read by Chrome OS in a long interval |
| (currently 30s) |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ReadSectorsShort" units="sectors per second" |
| expires_after="2023-09-04"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Number of disk sectors per second read by Chrome OS in a short interval |
| (currently 1s, sampled every 30s) |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SATA.AvailableReservedSpace" units="%" |
| expires_after="2023-09-08"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| The remaining reserved space (SMART 232). The value counts down typically |
| from 100 to 0, sent at boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SATA.LogicalSectorsRead" units="512-byte sectors" |
| expires_after="2023-09-08"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| The total number of 512-byte sectors written during the lifetime of the |
| device, sent at boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SATA.LogicalSectorsWritten" units="512-byte sectors" |
| expires_after="2023-09-08"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| The total number of 512-byte sectors written during the lifetime of the |
| device, sent at boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SATA.PercentageUsed" units="%" |
| expires_after="2023-09-08"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Percentage Used Endurance Indicator. A value of 0 indicates a new device, a |
| value of 100 indicates the device is at the end of its lifespan as projected |
| by the manufacturer. Values greater than 100 indicate the device is beyond |
| the projected lifespan. Maximum value is 255, sent at boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SmartTransferErrors" units="units" |
| expires_after="2023-09-08"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary>Disk communication errors (SMART 199), sent at boot.</summary> |
| </histogram> |
| |
| <histogram name="Platform.SmartUncorrectableErrors" units="units" |
| expires_after="2023-09-08"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary>Uncorrectable disk errors (SMART 187), sent at boot.</summary> |
| </histogram> |
| |
| <histogram name="Platform.SpringChargerType" units="units" expires_after="M77"> |
| <owner>vpalatin@google.com</owner> |
| <summary> |
| USB device ID of the charger plugged into a Spring device (if any), sent |
| once a minute. The Device ID is composed from the following 4 8-bit |
| registers of the TSU6721 chip: ADC (07h), Device Type 3 (15h), Device Type 2 |
| (0Bh), Device Type 1 (0Ah). Device Type 1/2/3 is a bitmap and most of bits |
| are mutually exclusive (excepted VBUS debounce). ADC is the 5-bit value of |
| the ID pin, but for most types (as in Device Type), there are only one or |
| two possible ID pin connections/values. The datasheet can be found here: |
| http://www.ti.com/lit/ds/symlink/tsu6721.pdf. |
| |
| Note that different brand/models of the charger can have the same ID. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulFormat" enum="StatefulFormat" |
| expires_after="2023-09-25"> |
| <owner>sarthakkukreti@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary>Chrome OS stateful partition format. Sampled once per boot.</summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulFreeSpace" units="MB" |
| expires_after="2023-09-21"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Chrome OS stateful partition space free. Sampled once daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulLifetimeWrites" units="GiB" |
| expires_after="2023-05-07"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Chrome OS stateful partition lifetime writes. Sampled once daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulTrim.TimeBetweenTrim" units="hours" |
| expires_after="2022-10-21"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| The amount of time in hours since the last trim when chromeos-trim triggers |
| a trim for the stateful partition. The chromeos-trim script is run daily, |
| but a trim is only triggered if the previous run was interrupted, the amount |
| of writes since the last trim is greater than X% of the remaining space in |
| stateful or we have not trimmed in 7 days. Reported at most once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulTrim.TrimmedAmount" units="MiB" |
| expires_after="2022-10-21"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| The amount of data in the stateful partition that is erased when |
| chromeos-trim triggers a trim. The chromeos-trim script is run daily, but a |
| trim is only triggered if the previous run was interrupted, the amount of |
| writes since the last trim is greater than X% of the remaining space in |
| stateful or we have not trimmed in 7 days. Reported at most once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulUsage" units="%" expires_after="2022-04-10"> |
| <owner>achuith@chromium.org</owner> |
| <owner>omrilio@chromium.org</owner> |
| <summary>Chrome OS stateful partition usage level.</summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulUsedSpace" units="GB" |
| expires_after="2023-09-29"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Chrome OS stateful partition space used. Sampled once daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.StatefulWritesDaily" units="KiB" |
| expires_after="2023-09-03"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Chrome OS stateful partition KiB writes per day. Sampled once daily. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Storage.Flash.BadBlocks" units="units" |
| expires_after="M85"> |
| <owner>dehrenberg@chromium.org</owner> |
| <owner>cast-analytics@google.com</owner> |
| <summary> |
| The number of blocks marked bad in an MTD partition. This is relevant for |
| devices with raw NAND flash, such as Chromecast. Sampled once daily, if the |
| Chromecast is on for any significant length of time in the day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Storage.Nvme.PercentageUsed" units="%" |
| expires_after="2023-09-25"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Vendor specific estimate of the percentage of NVM subsystem life used based |
| on the actual usage and the manufacturer's prediction of NVM life. A value |
| of 100 indicates the estimated endurance has been consumed, but may not |
| indicate a failure. Values can exceed 100, with percentages greater than 254 |
| represented as 255. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Storage.Ufs.LifeUsed" enum="EmmcLifeUsed" |
| expires_after="2023-09-21"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| UFS Device life time estimation. This field provides an indication of the |
| device life time based on the amount of performed program/erase cycles. The |
| calculation is vendor specific. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SwapInDaily" units="pages" expires_after="2023-09-03"> |
| <owner>asavery@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary>Number of pages swapped IN over a day, sampled daily.</summary> |
| </histogram> |
| |
| <histogram name="Platform.SwapInLong" units="pages/second" |
| expires_after="2022-04-03"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Average pages/second swapped IN over a 30s interval, sampled every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SwapInShort" units="pages/second" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Average pages/second swapped IN over a 1s interval, sampled every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SwapOutDaily" units="pages" |
| expires_after="2023-09-03"> |
| <owner>asavery@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary>Number of pages swapped OUT over a day, sampled daily.</summary> |
| </histogram> |
| |
| <histogram name="Platform.SwapOutLong" units="pages/second" |
| expires_after="2022-04-03"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Average pages/second swapped OUT over a 30s interval, sampled every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.SwapOutShort" units="pages/second" |
| expires_after="2022-04-03"> |
| <owner>sonnyrao@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Average pages/second swapped OUT over a 1s interval, sampled every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.ApRoVerificationTime" units="ms" |
| expires_after="2023-10-22"> |
| <owner>granaghan@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Time in milliseconds AP RO verification took. Captured every cold boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.AuthErrorCode" enum="TPMResultCodeEnum" |
| expires_after="2023-09-10"> |
| <owner>yich@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the result code of a TPM authorized command issued through |
| tcsd. Success is 0. For the other error codes, see |
| /usr/include/tss/tpm_error.h. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.AuthFailCommand.Auth2Fail" |
| enum="TPM12CommandOrdinal" expires_after="2022-10-08"> |
| <owner>cylai@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Reporting the TPM command ordinal that results in TPM_E_AUTH2FAIL code. Note |
| that this is only applicable for TPM1.2. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.AuthFailCommand.AuthFail" |
| enum="TPM12CommandOrdinal" expires_after="2022-10-08"> |
| <owner>cylai@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Reporting the TPM command ordinal that results in TPM_E_AUTHFAIL code. Note |
| that this is only applicable for TPM1.2. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.DictionaryAttackCounter" units="units" |
| expires_after="2023-09-10"> |
| <owner>cylai@chromium.org</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the value of the TPM dictionary attack counter reported at |
| boot and hourly while running. Any non-zero value is unexpected. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.DictionaryAttackResetStatus" |
| enum="CrosTPMDictionaryAttackResetStatusEnum" expires_after="2023-08-27"> |
| <owner>cylai@chromium.org</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the status of an hourly attempt to reset the TPM dictionary |
| attack counter. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.ErrorCode" enum="TPMResultCodeEnum" |
| expires_after="2023-09-10"> |
| <owner>yich@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Each sample is the result code of a TPM command issued through tcsd. Success |
| is 0. For the other error codes, see /usr/include/tss/tpm_error.h. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.ExpandedApRoVerificationStatus" |
| enum="ExpandedApRoVerificationStatus" expires_after="2023-10-22"> |
| <owner>granaghan@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| AP RO Verification status and detailed result. Captured every cold boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.FilesystemInitTime" units="ms" |
| expires_after="2023-10-22"> |
| <owner>granaghan@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Time in milliseconds filesystem initialization and scanning took. Captured |
| every cold boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.FilesystemUtilization" units="bytes" |
| expires_after="2023-10-22"> |
| <owner>granaghan@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Number of bytes used by the filesystem. Captured every cold boot. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.FirmwareUpdate.Attempts" units="attempts" |
| expires_after="2022-07-01"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Number of attempts until a successful TPM firmware update. This is the total |
| sum of attempts, i.e. number of failed attempts + 1 for the final successful |
| attempt. Note that we're not in a position to report UMA after failed |
| attempts, so this will only be reported by devices that eventually see a |
| successful attempt. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.FirmwareUpdate.Result" |
| enum="TPMFirmwareUpdateResult" expires_after="2023-10-01"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary>Status of a complete TPM firmware update attempt.</summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.FirmwareUpdate.Status" |
| enum="TPMFirmwareUpdateStatus" expires_after="2022-07-01"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary>Exit status of the TPM firmware updater script.</summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.HardwareAlerts" enum="PlatformTPMHardwareAlerts" |
| expires_after="2023-10-22"> |
| <owner>anatol@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Trusted Platform Module hardware alerts that signal about the chip abnormal |
| situation. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.PowerWashResult" enum="TPMPowerWashResult" |
| expires_after="2023-08-27"> |
| <owner>chenyian@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Report if TPM clear is success or not after a power wash. TPM should not be |
| owned after the power wash. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.TakeOwnershipResult" |
| enum="TPMTakeOwnershipResult" expires_after="2023-09-29"> |
| <owner>yich@google.com</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary> |
| Report the TPM ownership can be take or not for each TPM initialization |
| process. The process usually happen at the first boot of device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.TimeToTakeOwnership" units="ms" |
| expires_after="2023-10-22"> |
| <owner>yich@google.com</owner> |
| <owner>cylai@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The amount of time for Chrome OS to take TPM ownership. Recorded when |
| tpm_manager takes the ownership of TPM. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.TpmManagerSecretStatus" |
| enum="TpmManagerSecretStatus" expires_after="2023-10-22"> |
| <owner>cylai@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The status of the secrets that tpm manager holds. |
| |
| Warning: this histogram was expired from 2021-09-01 to 2022-06-14; data may |
| be missing. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM.VersionFingerprint" enum="TPMVersionFingerprint" |
| expires_after="2023-09-03"> |
| <owner>mnissler@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Indicates a fingerprint of hardware + firmware versions for the TPM chip |
| present in a Chrome OS device. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.TPM1.CommandAndResponse.{Client}" |
| enum="TPM1CommandAndResponse" expires_after="2023-12-20"> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The TPM1 command and response code send from {Client} to trousers. The value |
| is the encoding of 2 bytes command code and 2 bytes response code. |
| </summary> |
| <token key="Client"> |
| <variant name="Attestation"/> |
| <variant name="Chaps"/> |
| <variant name="Cryptohome"/> |
| <variant name="TpmManager"/> |
| <variant name="TrunksSend"/> |
| <variant name="U2f"/> |
| <variant name="Unknown"/> |
| <variant name="Vtpm"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.TPM2.CommandAndResponse.{Client}" |
| enum="TPM2CommandAndResponse" expires_after="2023-12-20"> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The TPM2 command and response code send from {Client} to trunks. The value |
| is the encoding of 2 bytes command code and 2 bytes response code. |
| </summary> |
| <token key="Client"> |
| <variant name="Attestation"/> |
| <variant name="Chaps"/> |
| <variant name="Cryptohome"/> |
| <variant name="TpmManager"/> |
| <variant name="TrunksSend"/> |
| <variant name="U2f"/> |
| <variant name="Unknown"/> |
| <variant name="Vtpm"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.FirstTimeoutReadingCommand" |
| enum="TPMCommandCode" expires_after="2022-01-14"> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary>Command code of the first timeout reading TPM command</summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.FirstTimeoutReadingTime" units="seconds" |
| expires_after="2022-01-14"> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary>System uptime when first timeout reading TPM command occurs</summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.FirstTimeoutWritingCommand" |
| enum="TPMCommandCode" expires_after="2023-08-27"> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary>Command code of the first timeout writing TPM command</summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.FirstTimeoutWritingTime" units="seconds" |
| expires_after="2023-09-10"> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary>System uptime when first timeout writing TPM command occurs</summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.RecoverableWriteErrorNo" enum="PopularOSErrno" |
| expires_after="2023-10-01"> |
| <owner>cylai@google.com</owner> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The write errno recovered after rebinding the TPM driver; recorded only once |
| when trunks notices the write errno is gone after restart. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.TpmErrorCode" enum="TPMResponseCode" |
| expires_after="2023-10-08"> |
| <owner>yich@google.com</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| Each sample is the result code of a TPM command issued through trunks. For |
| the error codes, see src/platform2/trunks/tpm_generated.h. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.TransitionedWriteErrorNo" |
| enum="PopularOSErrno" expires_after="2023-08-01"> |
| <owner>cylai@google.com</owner> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The write errno changed after rebinding the TPM driver; recorded only once |
| when trunks notices the write errno has changed after restart. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.Trunks.UnrecoverableWriteErrorNo" |
| enum="PopularOSErrno" expires_after="2023-10-01"> |
| <owner>cylai@google.com</owner> |
| <owner>chingkang@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| The sticky write errno after rebinding the TPM driver; recorded only once |
| when trunks notices the write errno isn't changed after restart. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.U2F.Command" enum="Cr50U2FCommands" |
| expires_after="2023-06-25"> |
| <owner>cylai@chromium.org</owner> |
| <owner>cros-hwsec-userland-eng+uma@google.com</owner> |
| <summary>Records occurrences of U2F commands sent to cr50.</summary> |
| </histogram> |
| |
| <histogram name="Platform.UnaggregatedUsageTime" units="seconds" |
| expires_after="2023-10-22"> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>iby@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Use time (device ON and not asleep) in a particular period (approximately |
| every five minutes). To compute usage time in a given period (e.g. a day), |
| sum up all reported values of this metric for that period (day). As with |
| other UMA metrics on CrOS, this will be uploaded roughly every half-hour. |
| This will eventually supercede Platform.DailyUseTime, which has significant |
| limitations (e.g. it may not report on the right day). |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.UnaggregatedUsageTimeTooBig" units="seconds" |
| expires_after="2023-06-04"> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>iby@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Use time samples that would have gone to Platform.UnaggregatedUsageTime, but |
| which are implausibly big. For example, we've seen individual samples of ~1 |
| billion seconds, and many more of over 1 million seconds, which are both far |
| too large to be valid data. metrics_daemon records this metric whenever an |
| individual 5-minute usage sample exceeds 2 hours (defined by |
| kMaxAcceptableUnaggregatedUsageTime, in metrics_daemon.cc, in platform2). |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.UncleanShutdownsDaily" units="count per day" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>semenzato@chromium.org</owner> |
| <owner>bsimonnet@chromium.org</owner> |
| <owner>iby@chromium.org</owner> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of unclean OS shutdowns during the previous day, or the most recent |
| day the device was in use. Specifically, the counter is incremented during |
| boot if the OS did not shut down cleanly and the previous shutdown was not |
| due to a kernel crash (kernel crashes are counted elsewere) and the previous |
| shutdown did not occur while the device was suspended (failures while |
| suspended are assumed to be the battery running down). Reported at most once |
| a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.UserCrashesDaily" units="count per day" |
| expires_after="never"> |
| <!-- expires-never: Used to assess Chrome OS platform stability. --> |
| |
| <owner>semenzato@chromium.org</owner> |
| <owner>bsimonnet@chromium.org</owner> |
| <owner>iby@chromium.org</owner> |
| <owner>mutexlox@chromium.org</owner> |
| <owner>cros-telemetry@google.com</owner> |
| <summary> |
| Count of crashes (user) during the previous day, or the most recent day the |
| device was in use. Reported at most once a day. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.WiFiDeviceCount" units="wifi devices" |
| expires_after="2023-12-01"> |
| <owner>norvez@chromium.org</owner> |
| <owner>cros-network-metrics@google.com</owner> |
| <summary> |
| Sample collected 10s after boot, showing how many WiFi interfaces are |
| present. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.WiFiDisapppearedFromPCI" units="units" |
| expires_after="2023-12-01"> |
| <owner>norvez@chromium.org</owner> |
| <owner>cros-network-metrics@google.com</owner> |
| <summary> |
| Logged (with a constant value of 1) if a WiFi device experienced a PCI |
| failure such that it is being removed from the system. Typically, Chrome OS |
| will follow such a removal with an attempt to rescan the bus and recover |
| device functionality. See also Platform.WiFiStatusAfterForcedPCIRescan for |
| the result of such attempts. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.WiFiStatusAfterForcedPCIRescan" enum="WiFiPCIStatus" |
| expires_after="2023-12-01"> |
| <owner>norvez@chromium.org</owner> |
| <owner>cros-network-metrics@google.com</owner> |
| <summary> |
| Shows the WiFi status after the PCI bus is rescanned to recover WiFi. The UI |
| depends on shill noticing that wlan0 is back up, so the only happy case is |
| one where shill recognizes wlan0 after the rescan completes. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.WriteSectorsLong" units="sectors per second" |
| expires_after="2023-10-27"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Number of disk sectors per second written by Chrome OS in a long interval |
| (currently 30s) |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.WriteSectorsShort" units="sectors per second" |
| expires_after="2023-10-27"> |
| <owner>gwendal@google.com</owner> |
| <owner>chromeos-storage@google.com</owner> |
| <summary> |
| Number of disk sectors per second written by Chrome OS in a short interval |
| (currently 1s, sampled every 30s) |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramCompressedSize" units="MB" |
| expires_after="2023-03-19"> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Compressed swap size in megabytes. This is the actual amount of RAM used by |
| the system to compress memory (i.e. after compression). Snapshot every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramCompressionRatioPercent" units="%" |
| expires_after="2023-03-19"> |
| <owner>bgeffon@chromium.org</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| The ratio of compressed memory (zram) before and after compression when the |
| denominator at least 1 MB. Ratios of interest are between 1 and 6 (typically |
| between 2 and 3), and we express them as a percentage (between 100% and |
| 600%). The size of memory before compression includes zero-filled pages. |
| Values close to 100% indicate low compression effectiveness. Snapshot every |
| 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramIncompressiblePages" units="pages" |
| expires_after="2021-03-06"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <summary> |
| Number of incompressible pages stored in zram. A large number suggests lower |
| compression effectiveness. Snapshot every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramIncompressibleRatioPercent.PostCompression" |
| units="%" expires_after="2021-03-06"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <summary> |
| The fraction of compressed memory that consists of incompressible pages. We |
| express this as a percentage (between 0% and 100%). Values close to 100% |
| mean we are not able to effectively benefit from compression. Snapshot every |
| 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramIncompressibleRatioPercent.PreCompression" |
| units="%" expires_after="2021-03-06"> |
| <owner>asavery@chromium.org</owner> |
| <owner>gwendal@chromium.org</owner> |
| <summary> |
| The fraction of the uncompressed memory size that consists of incompressible |
| pages. We express this as a percentage (between 0% and 100%). Values close |
| to 100% mean we are not able to effectively benefit from compression. |
| Snapshot every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramSavings" units="MB" expires_after="2021-07-02"> |
| <owner>sonnyrao@google.com</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| RAM savings in megabytes from using memory compression. This is the |
| difference between the RAM size before and after compression. Snapshot every |
| 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramZeroPages" units="pages" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@google.com</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| Number of zero-filled pages that the OS is compressing. A large number |
| suggests wasteful allocation. Snapshot every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.ZramZeroRatioPercent" units="%" |
| expires_after="2021-07-02"> |
| <owner>sonnyrao@google.com</owner> |
| <owner>chromeos-memory@google.com</owner> |
| <summary> |
| The fraction of compressed memory that consists of zero-filled pages. |
| Snapshot every 30s. |
| </summary> |
| </histogram> |
| |
| <histogram name="Platform.{GSC}.ARVStatus" enum="GscArvStatus" |
| expires_after="2024-02-05"> |
| <owner>vbendeb@chromium.org</owner> |
| <owner>ti50-core+uma@chromium.org</owner> |
| <summary> |
| A histogram of values representing AP RO verification state on ChromeOS |
| devices in the field. The values are collected on each ChromeOS start up and |
| are clustered in two ranges: 0..7 and 20..34, both ranges could grow. |
| |
| Cr50 and Ti50 are two generations of GSC (Google Security Chip), their AP RO |
| verification states are named such that it is clear which particular chip |
| version they refer to. |
| </summary> |
| <token key="GSC"> |
| <variant name="Cr50"/> |
| <variant name="Ti50"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.{GSC}.BoardIdFlags" enum="Cr50BoardIdFlags" |
| expires_after="2024-02-05"> |
| <owner>apronin@chromium.org</owner> |
| <owner>vbendeb@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| A sparse histogram of values of Board ID flags programmed in GSC devices in |
| the field. Board ID flags is a 32 bit field, and while there only are a few |
| expected values, conceivably any bit combination could be encountered. |
| </summary> |
| <token key="GSC"> |
| <variant name="Cr50"/> |
| <variant name="Ti50"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.{GSC}.BoardIdOfRlzMismatch" enum="Cr50CrosRlzCodes" |
| expires_after="2024-02-05"> |
| <owner>vbendeb@chromium.org</owner> |
| <owner>apronin@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| A sparse histogram of values indexed by 4 byte Board ID code programmed in |
| GSC reported by devices where there is a mismatch between the RLZ code and |
| the Board ID value programmed in the GSC. |
| </summary> |
| <token key="GSC"> |
| <variant name="Cr50"/> |
| <variant name="Ti50"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.{GSC}.FlashLog" enum="Cr50FlashLogs" |
| expires_after="2024-02-05"> |
| <owner>apronin@chromium.org</owner> |
| <owner>vbendeb@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| A histogram of flash log event types collected from the GSC device. Log |
| event type is an 8 bit value. This histogram does not allow to drill into |
| particular log entries' contents, but allows to collect a general statistics |
| of events. A script running on the Chrome OS device polls the GSC for new |
| flash log events after every start up. |
| </summary> |
| <token key="GSC"> |
| <variant name="Cr50"/> |
| <variant name="Ti50"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.{GSC}.MatchingBoardId" enum="Cr50CrosRlzCodes" |
| expires_after="2024-02-05"> |
| <owner>vbendeb@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| A sparse histogram of values indexed by 4 byte Board ID code programmed in |
| GSC, reported by devices where there is no mismatch between the RLZ code and |
| the Board ID value. |
| </summary> |
| <token key="GSC"> |
| <variant name="Cr50"/> |
| <variant name="Ti50"/> |
| </token> |
| </histogram> |
| |
| <histogram name="Platform.{GSC}.RlzOfBoardIdMismatch" enum="Cr50CrosRlzCodes" |
| expires_after="2024-02-05"> |
| <owner>vbendeb@chromium.org</owner> |
| <owner>apronin@chromium.org</owner> |
| <owner>cros-hwsec+uma@chromium.org</owner> |
| <summary> |
| A sparse histogram of values indexed by 4 byte RLZ code reported by devices |
| where there is a mismatch between the RLZ code and the Board ID value |
| programmed in the GSC. Since RLZ code could be misprogrammed, a sparse |
| histogram is used to allow keeping track of outliers. |
| </summary> |
| <token key="GSC"> |
| <variant name="Cr50"/> |
| <variant name="Ti50"/> |
| </token> |
| </histogram> |
| |
| <histogram name="PlatformFile.UnknownErrors.Windows" enum="WinGetLastError" |
| expires_after="M95"> |
| <owner>dmurph@chromium.org</owner> |
| <owner>pwnall@chromium.org</owner> |
| <summary> |
| Errors returned by CreateFile on Windows that PlatformFileError doesn't yet |
| support. |
| </summary> |
| </histogram> |
| |
| </histograms> |
| |
| </histogram-configuration> |
