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Commit fc974566 authored by Hui Yu's avatar Hui Yu Committed by Android (Google) Code Review
Browse files

Merge "Add EventLogTags for FGS start/stop/denied events." into tm-dev

parents 0e52eb3a 6772e73e

services/core/java/com/android/server/am/ActiveServices.java

+68 −8
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; 
import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;



import android.Manifest;

import android.annotation.IntDef;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.annotation.UptimeMillisLong;
@@ -174,6 +175,8 @@ import java.io.FileDescriptor; 
import java.io.IOException;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Collections;
@@ -211,6 +214,24 @@ public final class ActiveServices { 
                    | ServiceInfo.FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE

                    | ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION;



    // Foreground service is stopped for unknown reason.

    static final int FGS_STOP_REASON_UNKNOWN = 0;

    // Foreground service is stopped by app calling Service.stopForeground().

    static final int FGS_STOP_REASON_STOP_FOREGROUND = 1;

    // Foreground service is stopped because service is brought down either by app calling

    // stopService() or unbindService(), or service process is killed by the system.

    static final int FGS_STOP_REASON_STOP_SERVICE = 2;

    /**

     * The list of FGS stop reasons.

     */

    @IntDef(flag = true, prefix = { "FGS_STOP_REASON_" }, value = {

            FGS_STOP_REASON_UNKNOWN,

            FGS_STOP_REASON_STOP_FOREGROUND,

            FGS_STOP_REASON_STOP_SERVICE,

    })

    @Retention(RetentionPolicy.SOURCE)

    @interface FgsStopReason {}



    final ActivityManagerService mAm;



    // Maximum number of services that we allow to start in the background
@@ -721,7 +742,7 @@ public final class ActiveServices { 
                showFgsBgRestrictedNotificationLocked(r);

                logFGSStateChangeLocked(r,

                        FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__DENIED,

                        0);

                        0, FGS_STOP_REASON_UNKNOWN);

                if (CompatChanges.isChangeEnabled(FGS_START_EXCEPTION_CHANGE_ID, callingUid)) {

                    throw new ForegroundServiceStartNotAllowedException(msg);

                }
@@ -1909,7 +1930,7 @@ public final class ActiveServices { 
                        ignoreForeground = true;

                        logFGSStateChangeLocked(r,

                                FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__DENIED,

                                0);

                                0, FGS_STOP_REASON_UNKNOWN);

                        if (CompatChanges.isChangeEnabled(FGS_START_EXCEPTION_CHANGE_ID,

                                r.appInfo.uid)) {

                            throw new ForegroundServiceStartNotAllowedException(msg);
@@ -1984,7 +2005,7 @@ public final class ActiveServices { 
                        mAm.updateForegroundServiceUsageStats(r.name, r.userId, true);

                        logFGSStateChangeLocked(r,

                                FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__ENTER,

                                0);

                                0, FGS_STOP_REASON_UNKNOWN);

                    }

                    // Even if the service is already a FGS, we need to update the notification,

                    // so we need to call it again.
@@ -2066,7 +2087,8 @@ public final class ActiveServices { 
                logFGSStateChangeLocked(r,

                        FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__EXIT,

                        r.mFgsExitTime > r.mFgsEnterTime

                                ? (int)(r.mFgsExitTime - r.mFgsEnterTime) : 0);

                                ? (int) (r.mFgsExitTime - r.mFgsEnterTime) : 0,

                        FGS_STOP_REASON_STOP_FOREGROUND);

                r.mFgsNotificationWasDeferred = false;

                signalForegroundServiceObserversLocked(r);

                resetFgsRestrictionLocked(r);
@@ -4652,7 +4674,8 @@ public final class ActiveServices { 
            logFGSStateChangeLocked(r,

                    FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__EXIT,

                    r.mFgsExitTime > r.mFgsEnterTime

                            ? (int)(r.mFgsExitTime - r.mFgsEnterTime) : 0);

                            ? (int) (r.mFgsExitTime - r.mFgsEnterTime) : 0,

                    FGS_STOP_REASON_STOP_SERVICE);

            mAm.updateForegroundServiceUsageStats(r.name, r.userId, false);

        }
@@ -6846,7 +6869,8 @@ public final class ActiveServices { 
     * @param state one of ENTER/EXIT/DENIED event.

     * @param durationMs Only meaningful for EXIT event, the duration from ENTER and EXIT state.

     */

    private void logFGSStateChangeLocked(ServiceRecord r, int state, int durationMs) {

    private void logFGSStateChangeLocked(ServiceRecord r, int state, int durationMs,

            @FgsStopReason int fgsStopReason) {

        if (!ActivityManagerUtils.shouldSamplePackageForAtom(

                r.packageName, mAm.mConstants.mFgsAtomSampleRate)) {

            return;
@@ -6861,6 +6885,8 @@ public final class ActiveServices { 
            allowWhileInUsePermissionInFgs = r.mAllowWhileInUsePermissionInFgs;

            fgsStartReasonCode = r.mAllowStartForeground;

        }

        final int callerTargetSdkVersion = r.mRecentCallerApplicationInfo != null

                ? r.mRecentCallerApplicationInfo.targetSdkVersion : 0;

        FrameworkStatsLog.write(FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED,

                r.appInfo.uid,

                r.shortInstanceName,
@@ -6869,8 +6895,7 @@ public final class ActiveServices { 
                fgsStartReasonCode,

                r.appInfo.targetSdkVersion,

                r.mRecentCallingUid,

                r.mRecentCallerApplicationInfo != null

                        ? r.mRecentCallerApplicationInfo.targetSdkVersion : 0,

                callerTargetSdkVersion,

                r.mInfoTempFgsAllowListReason != null

                        ? r.mInfoTempFgsAllowListReason.mCallingUid : INVALID_UID,

                r.mFgsNotificationWasDeferred,
@@ -6879,6 +6904,30 @@ public final class ActiveServices { 
                r.mStartForegroundCount,

                ActivityManagerUtils.hashComponentNameForAtom(r.shortInstanceName),

                r.mFgsHasNotificationPermission);



        int event = 0;

        if (state == FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__ENTER) {

            event = EventLogTags.AM_FOREGROUND_SERVICE_START;

        } else if (state == FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__EXIT) {

            event = EventLogTags.AM_FOREGROUND_SERVICE_STOP;

        } else if (state == FrameworkStatsLog.FOREGROUND_SERVICE_STATE_CHANGED__STATE__DENIED) {

            event = EventLogTags.AM_FOREGROUND_SERVICE_DENIED;

        } else {

            // Unknown event.

            return;

        }

        EventLog.writeEvent(event,

                r.userId,

                r.shortInstanceName,

                allowWhileInUsePermissionInFgs ? 1 : 0,

                reasonCodeToString(fgsStartReasonCode),

                r.appInfo.targetSdkVersion,

                callerTargetSdkVersion,

                r.mFgsNotificationWasDeferred ? 1 : 0,

                r.mFgsNotificationShown ? 1 : 0,

                durationMs,

                r.mStartForegroundCount,

                fgsStopReasonToString(fgsStopReason));

    }



    boolean canAllowWhileInUsePermissionInFgsLocked(int callingPid, int callingUid,
@@ -6903,4 +6952,15 @@ public final class ActiveServices { 
        return mAm.getPackageManagerInternal().isSameApp(packageName, uid,

                UserHandle.getUserId(uid));

    }



    private static String fgsStopReasonToString(@FgsStopReason int stopReason) {

        switch (stopReason) {

            case FGS_STOP_REASON_STOP_SERVICE:

                return "STOP_SERVICE";

            case FGS_STOP_REASON_STOP_FOREGROUND:

                return "STOP_FOREGROUND";

            default:

                return "UNKNOWN";

        }

    }

}

services/core/java/com/android/server/am/EventLogTags.logtags

+8 −0
Original line number Diff line number Diff line
@@ -116,3 +116,11 @@ option java_package com.android.server.am 
30086 ssm_user_stopping (userId|1|5)

30087 ssm_user_stopped (userId|1|5)

30088 ssm_user_completed_event (userId|1|5),(eventFlag|1|5)



# Foreground service start/stop events.

30100 am_foreground_service_start (User|1|5),(Component Name|3),(allowWhileInUse|1),(startReasonCode|3),(targetSdk|1|1),(callerTargetSdk|1|1),(notificationWasDeferred|1),(notificationShown|1),(durationMs|1|3),(startForegroundCount|1|1),(stopReason|3)

30101 am_foreground_service_denied (User|1|5),(Component Name|3),(allowWhileInUse|1),(startReasonCode|3),(targetSdk|1|1),(callerTargetSdk|1|1),(notificationWasDeferred|1),(notificationShown|1),(durationMs|1|3),(startForegroundCount|1|1),(stopReason|3)

30102 am_foreground_service_stop (User|1|5),(Component Name|3),(allowWhileInUse|1),(startReasonCode|3),(targetSdk|1|1),(callerTargetSdk|1|1),(notificationWasDeferred|1),(notificationShown|1),(durationMs|1|3),(startForegroundCount|1|1),(stopReason|3)