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Commit d117271e authored by Riddle Hsu's avatar Riddle Hsu
Browse files

Use elapsed time as timestamp of activity launch 

To have the information of the relation to wall time.

Bug: 187043447
Test: atest ActivityMetricsLoggerTests
Change-Id: Ib9724b83698c5ada372cd5f0db5f4aa7a26e75b5
parent 184c6139

services/core/java/com/android/server/wm/ActivityMetricsLogger.java

+9 −6
Original line number Diff line number Diff line
@@ -906,9 +906,11 @@ class ActivityMetricsLogger { 
        // This will avoid any races with other operations that modify the ActivityRecord.

        final TransitionInfoSnapshot infoSnapshot = new TransitionInfoSnapshot(info);

        if (info.isInterestingToLoggerAndObserver()) {

            final long timestamp = info.mTransitionStartTimeNs;

            final long uptime = info.mTransitionDeviceUptimeMs;

            final int transitionDelay = info.mCurrentTransitionDelayMs;

            mLoggerHandler.post(() -> logAppTransition(

                    info.mTransitionDeviceUptimeMs, info.mCurrentTransitionDelayMs,

                    infoSnapshot, isHibernating));

                    timestamp, uptime, transitionDelay, infoSnapshot, isHibernating));

        }

        mLoggerHandler.post(() -> logAppDisplayed(infoSnapshot));

        if (info.mPendingFullyDrawn != null) {
@@ -919,8 +921,8 @@ class ActivityMetricsLogger { 
    }



    // This gets called on another thread without holding the activity manager lock.

    private void logAppTransition(long transitionDeviceUptimeMs, int currentTransitionDelayMs,

            TransitionInfoSnapshot info, boolean isHibernating) {

    private void logAppTransition(long transitionStartTimeNs, long transitionDeviceUptimeMs,

            int currentTransitionDelayMs, TransitionInfoSnapshot info, boolean isHibernating) {

        final LogMaker builder = new LogMaker(APP_TRANSITION);

        builder.setPackageName(info.packageName);

        builder.setType(info.type);
@@ -971,7 +973,7 @@ class ActivityMetricsLogger { 
                info.launchedActivityName,

                info.launchedActivityLaunchedFromPackage,

                isInstantApp,

                transitionDeviceUptimeMs,

                0 /* deprecated transitionDeviceUptimeMs */,

                info.reason,

                currentTransitionDelayMs,

                info.startingWindowDelayMs,
@@ -985,7 +987,8 @@ class ActivityMetricsLogger { 
                isHibernating,

                isIncremental,

                isLoading,

                info.launchedActivityName.hashCode());

                info.launchedActivityName.hashCode(),

                TimeUnit.NANOSECONDS.toMillis(transitionStartTimeNs));



        if (DEBUG_METRICS) {

            Slog.i(TAG, String.format("APP_START_OCCURRED(%s, %s, %s, %s, %s)",