ajgo@chromium.org wfh@chromium.org Records if AcLayers.dll is loaded in the browser process, indicating that Chrome has been shimmed by Window's AppCompat mechanism. Reported once per browser session, on startup. wfh@chromium.org ssmole@microsoft.com Records the HRESULT from the attempt to automatically de-elevate the browser process, which only happens on startup, if it's launched with an elevated linked process token. ajgo@chromium.org wfh@chromium.org Records if CET (Control-flow Enforcement Technology / Hardware Enforced Shadow Stack) is available, based on IsUserCetAvailableInEnvironment(). Reported once per browser session, on startup. ajgo@chromium.org wfh@chromium.org Records if CET (Control-flow Enforcement Technology / Hardware Enforced Shadow Stack) is enabled or if it has been disabled by IFEO. Reported only if CetAvailable is true, once per browser session, on startup. Note: This was recorded incorrectly in M91. msw@google.com btriebw@google.com Records the result of deriving a display ID from DISPLAY_DEVICE::DeviceId. Recorded once for each monitor detected by the OS during startup of chrome and after any monitor topology changes (addition/removal) thereafter. msw@google.com btriebw@google.com Records the result of deriving a display ID from DISPLAY_DEVICE::DeviceKey. Recorded once for each monitor detected by the OS during startup of chrome and after any monitor topology changes (addition/removal) thereafter. koretadaniel@chromium.org joonehur@microsoft.com Recorded on Windows when a drag-and-drop operation requests CFSTR_FILECONTENTS with TYMED_HGLOBAL only, triggering an on-the-fly conversion from TYMED_ISTREAM to TYMED_HGLOBAL in Chromium's data object. True when the conversion is performed. Used to detect legacy applications that do not support TYMED_ISTREAM for CFSTR_FILECONTENTS. ajgo@chromium.org wfh@chromium.org Whether or not support for {Type} is/are available for use on the system, by calling IsEnclaveTypeSupported. Reported once per browser session, on startup. spvm@chromium.org catan-team@chromium.org Records the {StartupState} of the "\\Process V2(chrome:PID)\\{Counter}" PDH counter in the {ProcessType} process. For more information on this PDH counter, see PerfMon.exe's documentation. Recorded once every five seconds for the browser, GPU, and network processes, and once every five seconds for every 1/20th process on Canary/Dev/Beta, and once every five seconds for every 1/100th process on Stable. Only supported on Windows 11. Not recorded on Windows Server 2022 or other earlier platforms. davidbienvenu@chromium.org jessemckenna@google.com Reported when the user toggles the feature notifications setting in Chrome's System settings. Its value represents what the setting was changed to. brucedawson@chromium.org gab@chromium.org The value of TimeTicks::IsHighResolution(). Reported once per browser session, on startup. olivierli@chromium.org gab@chromium.org The value of ThreadTicks::IsSupported(). Reported once per browser session, on startup. rkc@chromium.org vnagarnaik@google.com rockot@chromium.org Whether Hyper-V is enabled on this machine. Logged shortly after startup. This metric will only be logged on Windows 10+. koretadaniel@chromium.org top-chrome-desktop-ui@google.com Logged once per installer download attempt. True when the DownloaderManager successfully saved the file under the suggested name. koretadaniel@chromium.org top-chrome-desktop-ui@google.com Outcome of the download that runs after the user accepts: true for a fully completed download, false for any failure or interruption. Logged once per download attempt. koretadaniel@chromium.org top-chrome-desktop-ui@google.com Records the reason why an installer download failed after it had already started. This is recorded when the download enters a terminal state other than COMPLETE. koretadaniel@chromium.org top-chrome-desktop-ui@google.com Logged once per browser session when the Installer Downloader infobar is displayed for the first time. Always true, since the metric records how often the prompt surfaces. koretadaniel@chromium.org top-chrome-desktop-ui@google.com Records the download interrupt reason when an installer download fails to start. This is recorded when the DownloadManager returns an interrupt reason other than NONE, which can happen for a wide variety of reasons including network errors, file errors, or server issues. songhaoli@chromium.org top-chrome-desktop-ui@google.com Records which re-engagement campaign cycle (1, 2, or 3) was active when the Installer Downloader infobar was shown. Logged when the infobar is shown (at most once per browser session). songhaoli@chromium.org top-chrome-desktop-ui@google.com Records which re-engagement campaign cycle (1, 2, or 3) was active when the user accepted the Installer Downloader infobar prompt. Logged at most once per campaign (only if accepted). koretadaniel@chromium.org top-chrome-desktop-ui@google.com Records the user’s response to the infobar. Logged exactly once per prompt: - true: user accepted the prompt. - false: user dismissed the prompt. songhaoli@chromium.org top-chrome-desktop-ui@google.com Records the cumulative number of times the Installer Downloader infobar was shown to the user across all cycles. Logged once per user when the campaign ends (either because the user accepted, or because all allowed cycles were exhausted). davidbienvenu@chromium.org jessemckenna@chromium.org Records whether or not the user unpinned Chrome after the installer pinned Chrome, on Win10+. Recorded when Chrome checks if Chrome is pinned to the taskbar, on startup. This check is currently done on 1% of startups. Records true if the installer pinned Chrome, and it's no longer pinned, false if the installer pinned Chrome and it's still pinned. The unpin is only recorded at most once per user, whereas the still pinned state is recorded on every launch that checks if Chrome is pinned to the taskbar. markchang@google.com pmonette@chromium.org Indicates whether Chrome is pinned to the Windows taskbar for the current user. Recorded shortly after startup. koretadaniel@chromium.org iclelland@chromium.org Records Windows OneDrive personal sync state. This is recorded once per browser session, on startup. jessemckenna@google.com davidbienvenu@chromium.org Records the result of opening the Settings app via the IOpenWithLauncher COM interface. forshaw@chromium.org wfh@chromium.org Records whether or not parallel DLL loading is enabled for the browser process executable. This is recorded once per browser session, on startup. wfh@chromium.org brucedawson@chromium.org The 32-bit hash of the lower-case parent process basename (e.g. explorer.exe) of the main Chrome executable. Reported once during startup as part of install verification. wfh@chromium.org brucedawson@chromium.org A 32-bit value formed from combining the minor and patch level of the currently running Windows operating system as reported by GetVersionEx(). E.g. "Windows 10 OS Version 1809 (Build 17763.503)" would be 17763 (0x4563), combined with 503 (0x1F7) = 0x456301F7. If either minor or patch level exceeds the value that can fit in a 16-bit unsigned integer, then this histogram will report 0. Reported once, shortly after browser startup. wfh@chromium.org brucedawson@chromium.org A 32-bit value formed from combining the minor and patch level of the currently running Windows operating system as reported by VerQueryValue() of kernel32.dll. E.g. "Windows 10 OS Version 1809 (Build 17763.503)" would be 17763 (0x4563), combined with 503 (0x1F7) = 0x456301F7. If either minor or patch level exceeds the value that can fit in a 16-bit unsigned integer, then this histogram will report 0. Reported once, shortly after browser startup. spvm@chromium.org catan-team@chromium.org Records the error status returned by various ::Pdh* functions on error. alsan@chromium.org chrome-desktop-ui-waterloo@google.com Records the execution duration of the {TaskName} delegated task run by the platform experience helper. alsan@chromium.org chrome-desktop-ui-waterloo@google.com Records the outcome status of running the {TaskName} delegated task via the platform experience helper. alsan@chromium.org chrome-desktop-ui-waterloo@google.com Records the outcome of attempting to launch the platform experience helper installer via Google Update for system installs. alsan@chromium.org chrome-desktop-ui-waterloo@google.com Records the outcome of attempting to launch the platform experience helper installer executable directly for user installs. rkc@chromium.org vnagarnaik@google.com rockot@chromium.org The processor family type. Logged shortly after startup. The value is specified in the SMBIOS specification, section 7.5.2: https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf This metric will only be logged on Windows 10+. rkc@chromium.org vnagarnaik@google.com rockot@chromium.org Whether virtualization has been enabled in the system firmware. Logged shortly after startup. This metric will only be logged on Windows 10+. grt@chromium.org tingshao@microsoft.com The result of a call to base::ReplaceFile. Logged every time when base::ReplaceFile is called. wfh@chromium.org chrome-platform-security-core@google.com Reports true if the browser process is running isolated from other apps running as the current user, false otherwise. Reported in every UMA log upload. davidbienvenu@chromium.org ui-dev@chromium.org Recorded when a re-entrant call to update display information occurs on Windows (e.g. during display change notifications). Records true if the re-entrant display information vector differs from the initial pass, and false if the display information is unchanged. jackmil@google.com robliao@chromium.org Records the result of calling SetWindowsHookEx inside SafeAcceptFileDialogEventHandler every time a hook registration is attempted. davidbienvenu@chromium.org jessemckenna@google.com The result of calling ShouldOfferToPin(), logged when it is called{PinAppToTaskbarChannel}. It is called when deciding whether or not to offer to pin Chrome (or an installed web app) to the taskbar. davidbienvenu@chromium.org jessemckenna@google.com The bool result passed to PinAppToTaskbar()'s PinResultCallback argument, called from first run experience's set default browser page. The result will be true if pinning succeeded, false otherwise. It is called when the user has agreed to set Chrome as the default browser and pin it to the taskbar. davidbienvenu@chromium.org jessemckenna@google.com The result of calling PinAppToTaskbar() from settings, logged when it is called. It is called when the user has asked to set Chrome as the default browser and pin Chrome to the taskbar. davidbienvenu@chromium.org jessemckenna@google.com The result of calling PinAppToTaskbar(), logged when it is called{PinAppToTaskbarChannel}. It is called when the user has agreed to pin Chrome (or an installed web app) to the taskbar. fdoray@chromium.org pmonette@chromium.org Duration of a call to ui::ExecuteSelectFile. This includes the time to open/close the file select dialog and the time spent by the user in it. Eliminating hangs that occur when opening the file select dialog should move this metric. Reported every time ui::ExecuteSelectFile is called via UtilWinImpl::CallExecuteSelectFile. estalin@chromium.org davidbienvenu@chromium.org Records only on Win10 if the current hardware {Type} passes requirements for Win11. This is recorded once per browser session, on startup. estalin@chromium.org davidbienvenu@chromium.org Records only on Win10 if the current hardware is capable of being upgraded to Win11. This is recorded once per browser session, on startup.