<!--
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 Assistant 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
[email protected].
-->
<histogram-configuration>
<histograms>
<histogram name="Assistant.ButtonClickCount" enum="AssistantButtonId"
expires_after="2025-04-28">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
The number of times buttons on Assistant UI (e.g., minimize) are clicked.
</summary>
</histogram>
<histogram name="Assistant.ContextEnabledUserCount" enum="BooleanEnabled"
expires_after="2025-04-28">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Among eligible users, whether the user has the Assistant context (related
info) enabled. Recorded once for every UMA upload. The set of eligible users
includes all users with profiles that can allow Assistant service to be
enabled (AssistantAllowedState is limited by locale, policy, etc).
</summary>
</histogram>
<histogram name="Assistant.DspHotwordDetection"
enum="DspHotwordDetectionStatus" expires_after="2025-01-19">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Counts the number of times Dsp hotword gets detected in each status, to help
capture the hotword false acceptance rate.
</summary>
</histogram>
<histogram name="Assistant.EntryPoint" enum="AssistantEntryPoint"
expires_after="2025-01-05">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Record the Assistant entry point where Assistant UI becomes visible.
ChromeOS only.
</summary>
</histogram>
<histogram name="Assistant.ExitPoint" enum="AssistantExitPoint"
expires_after="2024-11-03">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Record the Assistant exit point where Assistant UI becomes invisible.
ChromeOS only.
</summary>
</histogram>
<histogram name="Assistant.HotwordEnableNotification" enum="BooleanHit"
expires_after="2024-10-31">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Counts the number of times user click the hotword enable notification to
open Assistant settings.
</summary>
</histogram>
<histogram name="Assistant.Interaction.Resolution"
enum="AssistantInteractionResolution" expires_after="2025-02-10">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Record the Assistant interaction resolution code. It indicates how the
Assistant server interpreted a particular query and decision on the state,
e.g. if the conversation is normal or timed out or ended with other errors.
</summary>
</histogram>
<histogram name="Assistant.LauncherSearchIphQueryType.{Location}"
enum="Assistant.LauncherSearchIphQueryType" expires_after="2025-02-02">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Record the query types selected in the Assistant LauncherSearchIphView.
Emitted when the query chip in the LauncherSearchIphView is clicked. The
LauncherSearchIphView can be located in the {Location}
</summary>
<token key="Location">
<variant name="AssistantPage" summary="IPH in AssistantPage"/>
<variant name="SearchBox" summary="IPH in SearchBox"/>
</token>
</histogram>
<histogram name="Assistant.Libassistant.DlcInstallResult"
enum="Assistant.LibassistantDlcInstallResult" expires_after="2025-02-10">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
The result of an attempt to install the libassistant DLC package. Emitted
when the Assistant service installs the DLC.
</summary>
</histogram>
<histogram name="Assistant.Libassistant.DlcLoadStatus"
enum="Assistant.LibassistantDlcLoadStatus" expires_after="2025-02-10">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Records if the libassistant DLC is loaded successfully. Emitted when the
libassistant service initializes.
</summary>
</histogram>
<histogram name="Assistant.OptInFlow.GetSettingsRequestTime" units="ms"
expires_after="2025-02-16">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Amount of time between get settings request and response. The request will
be sent for each time the Assistant OptIn Flow is triggered to get string
texts from the server.
</summary>
</histogram>
<histogram name="Assistant.OptInFlow.LoadingTimeoutCount" units="timeouts"
expires_after="2025-08-13">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Number of times that the loading timeout triggers. The loading timeout is
set by the Assistant OptIn Flow loading screen, which shows up during the
server string texts and webviews are pending.
</summary>
</histogram>
<histogram name="Assistant.OptInFlowStatus" enum="AssistantOptInFlowStatus"
expires_after="2025-04-28">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>Record the status of the Assistant opt-in flow.</summary>
</histogram>
<histogram name="Assistant.QueryCountPerEntryPoint" enum="AssistantEntryPoint"
expires_after="2025-01-26">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>Number of queries fired for each entry point.</summary>
</histogram>
<histogram name="Assistant.QueryResponseType" enum="AssistantQueryResponseType"
expires_after="2025-01-05">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>The Assistant query response type.</summary>
</histogram>
<histogram name="Assistant.QuerySource" enum="AssistantQuerySource"
expires_after="2025-02-10">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
The source of Assistant query (e.g. dialog plate text field, voice input).
Recorded when the query is committed.
</summary>
</histogram>
<histogram name="Assistant.ServiceEnabledUserCount" enum="BooleanEnabled"
expires_after="2025-01-05">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Among eligible users, whether the user has the Assistant service enabled.
Recorded once for every UMA upload. The set of eligible users includes all
users with profiles that can allow Assistant service to be enabled
(AssistantAllowedState is limited by locale, policy, etc).
</summary>
</histogram>
<histogram name="Assistant.ServiceReadyTime" units="ms"
expires_after="2025-07-21">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Amount of time between when the Assistant service is launched, and when the
Assistant back-end signals it is ready to process queries.
</summary>
</histogram>
<histogram name="Assistant.ServiceStartTime" units="ms"
expires_after="2024-12-17">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>Amount of time spent in starting Assistant service.</summary>
</histogram>
<histogram name="Assistant.ServiceState" enum="AssistantServiceState"
expires_after="2024-12-30">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
Records the number of Assistant manager service in each state, to help
capture the service failure rate. Recorded when the service state changes.
</summary>
</histogram>
<histogram name="Assistant.SetDspHotwordLocale" enum="BooleanSuccess"
expires_after="2024-11-12">
<owner>[email protected]</owner>
<owner>[email protected]</owner>
<summary>
For each attempt to set the hotword locale for a DSP device, counts whether
the attempt succeeded.
</summary>
</histogram>
</histograms>
</histogram-configuration>
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