Merge "Revert^2 "AppStartInfo surfaceflinger and renderthread timestamps"" into main (236cb8e4) · Commits · e / os / android_frameworks_base

core/java/android/app/IActivityManager.aidl

+9 −0

Original line number	Diff line number	Diff line
		@@ -756,6 +756,15 @@ interface IActivityManager {
		*/
		void addStartInfoTimestamp(int key, long timestampNs, int userId);

		/**
		* Reports view related timestamps to be added to the calling apps most
		* recent {@link ApplicationStartInfo}.
		*
		* @param renderThreadDrawStartTimeNs Clock monotonic time in nanoseconds of RenderThread draw start
		* @param framePresentedTimeNs Clock monotonic time in nanoseconds of frame presented
		*/
		oneway void reportStartInfoViewTimestamps(long renderThreadDrawStartTimeNs, long framePresentedTimeNs);

		/**
		* Return a list of {@link ApplicationExitInfo} records.
		*

core/java/android/view/ViewRootImpl.java

+87 −0

Original line number	Diff line number	Diff line
		@@ -177,6 +177,7 @@ import android.graphics.Region;
		import android.graphics.RenderNode;
		import android.graphics.drawable.Drawable;
		import android.graphics.drawable.GradientDrawable;
		import android.hardware.SyncFence;
		import android.hardware.display.DisplayManager;
		import android.hardware.display.DisplayManager.DisplayListener;
		import android.hardware.display.DisplayManagerGlobal;
		@@ -219,6 +220,7 @@ import android.util.proto.ProtoOutputStream;
		import android.view.InputDevice.InputSourceClass;
		import android.view.Surface.OutOfResourcesException;
		import android.view.SurfaceControl.Transaction;
		import android.view.SurfaceControl.TransactionStats;
		import android.view.View.AttachInfo;
		import android.view.View.FocusDirection;
		import android.view.View.MeasureSpec;
		@@ -293,6 +295,7 @@ import java.util.OptionalInt;
		import java.util.Queue;
		import java.util.concurrent.CountDownLatch;
		import java.util.concurrent.Executor;
		import java.util.function.Consumer;
		import java.util.function.Predicate;
		/**
		* The top of a view hierarchy, implementing the needed protocol between View
		@@ -1189,6 +1192,13 @@ public final class ViewRootImpl implements ViewParent,
		private String mFpsTraceName;
		private String mLargestViewTraceName;

		private final boolean mAppStartInfoTimestampsFlagValue;
		@GuardedBy("this")
		private boolean mAppStartTimestampsSent = false;
		private boolean mAppStartTrackingStarted = false;
		private long mRenderThreadDrawStartTimeNs = -1;
		private long mFirstFramePresentedTimeNs = -1;

		private static boolean sToolkitSetFrameRateReadOnlyFlagValue;
		private static boolean sToolkitFrameRateFunctionEnablingReadOnlyFlagValue;
		private static boolean sToolkitMetricsForFrameRateDecisionFlagValue;
		@@ -1306,6 +1316,8 @@ public final class ViewRootImpl implements ViewParent,
		} else {
		mSensitiveContentProtectionService = null;
		}

		mAppStartInfoTimestampsFlagValue = android.app.Flags.appStartInfoTimestamps();
		}

		public static void addFirstDrawHandler(Runnable callback) {
		@@ -2578,6 +2590,12 @@ public final class ViewRootImpl implements ViewParent,
		notifySurfaceDestroyed();
		}
		destroySurface();

		// Reset so they can be sent again for warm starts.
		mAppStartTimestampsSent = false;
		mAppStartTrackingStarted = false;
		mRenderThreadDrawStartTimeNs = -1;
		mFirstFramePresentedTimeNs = -1;
		}
		}
		}
		@@ -4376,6 +4394,30 @@ public final class ViewRootImpl implements ViewParent,
		reportDrawFinished(t, seqId);
		}
		});

		// Only trigger once per {@link ViewRootImpl} instance, so don't add listener if
		// {link mTransactionCompletedTimeNs} has already been set.
		if (mAppStartInfoTimestampsFlagValue && !mAppStartTrackingStarted) {
		mAppStartTrackingStarted = true;
		Transaction transaction = new Transaction();
		transaction.addTransactionCompletedListener(mExecutor,
		new Consumer<TransactionStats>() {
		@Override
		public void accept(TransactionStats transactionStats) {
		SyncFence presentFence = transactionStats.getPresentFence();
		if (presentFence.awaitForever()) {
		if (mFirstFramePresentedTimeNs == -1) {
		// Only trigger once per {@link ViewRootImpl} instance.
		mFirstFramePresentedTimeNs = presentFence.getSignalTime();
		maybeSendAppStartTimes();
		}
		}
		presentFence.close();
		}
		});
		applyTransactionOnDraw(transaction);
		}

		if (DEBUG_BLAST) {
		Log.d(mTag, "Setup new sync=" + mWmsRequestSyncGroup.getName());
		}
		@@ -4383,6 +4425,45 @@ public final class ViewRootImpl implements ViewParent,
		mWmsRequestSyncGroup.add(this, null /* runnable */);
		}

		private void maybeSendAppStartTimes() {
		synchronized (this) {
		if (mAppStartTimestampsSent) {
		// Don't send timestamps more than once.
		return;
		}

		// If we already have {@link mRenderThreadDrawStartTimeNs} then pass it through, if not
		// post to main thread and check if we have it there.
		if (mRenderThreadDrawStartTimeNs != -1) {
		sendAppStartTimesLocked();
		} else {
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		synchronized (ViewRootImpl.this) {
		if (mRenderThreadDrawStartTimeNs == -1) {
		return;
		}
		sendAppStartTimesLocked();
		}
		}
		});
		}
		}
		}

		@GuardedBy("this")
		private void sendAppStartTimesLocked() {
		try {
		ActivityManager.getService().reportStartInfoViewTimestamps(
		mRenderThreadDrawStartTimeNs, mFirstFramePresentedTimeNs);
		mAppStartTimestampsSent = true;
		} catch (RemoteException e) {
		// Ignore, timestamps may be lost.
		if (DBG) Log.d(TAG, "Exception attempting to report start timestamps.", e);
		}
		}

		/**
		* Helper used to notify the service to block projection when a sensitive
		* view (the view displays sensitive content) is attached to the window.
		@@ -5569,7 +5650,13 @@ public final class ViewRootImpl implements ViewParent,
		registerCallbackForPendingTransactions();
		}

		long timeNs = SystemClock.uptimeNanos();
		mAttachInfo.mThreadedRenderer.draw(mView, mAttachInfo, this);

		// Only trigger once per {@link ViewRootImpl} instance.
		if (mAppStartInfoTimestampsFlagValue && mRenderThreadDrawStartTimeNs == -1) {
		mRenderThreadDrawStartTimeNs = timeNs;
		}
		} else {
		// If we get here with a disabled & requested hardware renderer, something went
		// wrong (an invalidate posted right before we destroyed the hardware surface

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

+13 −0

Original line number	Diff line number	Diff line
		@@ -10237,6 +10237,19 @@ public class ActivityManagerService extends IActivityManager.Stub
		addStartInfoTimestampInternal(key, timestampNs, userId, callingUid);
		}

		@Override
		public void reportStartInfoViewTimestamps(long renderThreadDrawStartTimeNs,
		long framePresentedTimeNs) {
		int callingUid = Binder.getCallingUid();
		int userId = UserHandle.getUserId(callingUid);
		addStartInfoTimestampInternal(
		ApplicationStartInfo.START_TIMESTAMP_INITIAL_RENDERTHREAD_FRAME,
		renderThreadDrawStartTimeNs, userId, callingUid);
		addStartInfoTimestampInternal(
		ApplicationStartInfo.START_TIMESTAMP_SURFACEFLINGER_COMPOSITION_COMPLETE,
		framePresentedTimeNs, userId, callingUid);
		}

		private void addStartInfoTimestampInternal(int key, long timestampNs, int userId, int uid) {
		mProcessList.getAppStartInfoTracker().addTimestampToStart(
		Settings.getPackageNameForUid(mContext, uid),

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

+50 −14

Original line number	Diff line number	Diff line
		@@ -1195,31 +1195,67 @@ public final class AppStartInfoTracker {

		// Records are sorted newest to oldest, grab record at index 0.
		ApplicationStartInfo startInfo = mInfos.get(0);

		if (!isAddTimestampAllowed(startInfo, key, timestampNs)) {
		return;
		}

		startInfo.addStartupTimestamp(key, timestampNs);

		if (key == ApplicationStartInfo.START_TIMESTAMP_FIRST_FRAME
		&& android.app.Flags.appStartInfoTimestamps()) {
		startInfo.setStartupState(ApplicationStartInfo.STARTUP_STATE_FIRST_FRAME_DRAWN);
		checkCompletenessAndCallback(startInfo);
		}
		}

		private boolean isAddTimestampAllowed(ApplicationStartInfo startInfo, int key,
		long timestampNs) {
		int startupState = startInfo.getStartupState();

		// If startup state is error then don't accept any further timestamps.
		if (startupState == ApplicationStartInfo.STARTUP_STATE_ERROR) {
		if (DEBUG) Slog.d(TAG, "Startup state is error, not accepting new timestamps.");
		return;
		return false;
		}

		// If startup state is first frame drawn then only accept fully drawn timestamp.
		if (startupState == ApplicationStartInfo.STARTUP_STATE_FIRST_FRAME_DRAWN
		&& key != ApplicationStartInfo.START_TIMESTAMP_FULLY_DRAWN) {
		if (DEBUG) {
		Slog.d(TAG, "Startup state is first frame drawn and timestamp is not fully "
		+ "drawn, not accepting new timestamps.");
		Map<Integer, Long> timestamps = startInfo.getStartupTimestamps();

		if (startupState == ApplicationStartInfo.STARTUP_STATE_FIRST_FRAME_DRAWN) {
		switch (key) {
		case ApplicationStartInfo.START_TIMESTAMP_FULLY_DRAWN:
		// Allowed, continue to confirm it's not already added.
		break;
		case ApplicationStartInfo.START_TIMESTAMP_INITIAL_RENDERTHREAD_FRAME:
		Long firstFrameTimeNs = timestamps
		.get(ApplicationStartInfo.START_TIMESTAMP_FIRST_FRAME);
		if (firstFrameTimeNs == null) {
		// This should never happen. State can't be first frame drawn if first
		// frame timestamp was not provided.
		return false;
		}
		return;

		if (timestampNs > firstFrameTimeNs) {
		// Initial renderthread frame has to occur before first frame.
		return false;
		}

		startInfo.addStartupTimestamp(key, timestampNs);
		// Allowed, continue to confirm it's not already added.
		break;
		case ApplicationStartInfo.START_TIMESTAMP_SURFACEFLINGER_COMPOSITION_COMPLETE:
		// Allowed, continue to confirm it's not already added.
		break;
		default:
		return false;
		}
		}

		if (key == ApplicationStartInfo.START_TIMESTAMP_FIRST_FRAME
		&& android.app.Flags.appStartInfoTimestamps()) {
		startInfo.setStartupState(ApplicationStartInfo.STARTUP_STATE_FIRST_FRAME_DRAWN);
		checkCompletenessAndCallback(startInfo);
		if (timestamps.get(key) != null) {
		// Timestamp should not occur more than once for a given start.
		return false;
		}

		return true;
		}

		@GuardedBy("mLock")