Merge "Reland "Track per-process freezable state in BroadcastQueue."" into udc-dev (39ee2327) · Commits · e / os / android_frameworks_base

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

+27 −19

Original line number	Diff line number	Diff line
		@@ -17311,6 +17311,12 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}

		void onProcessFreezableChangedLocked(ProcessRecord app) {
		if (mEnableModernQueue) {
		mBroadcastQueues[0].onProcessFreezableChangedLocked(app);
		}
		}

		@VisibleForTesting
		public final class LocalService extends ActivityManagerInternal
		implements ActivityManagerLocal {
		@@ -19022,6 +19028,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		// too quickly in parallel below
		pingCount.incrementAndGet();

		synchronized (ActivityManagerService.this) {
		synchronized (mProcLock) {
		final ArrayMap<String, SparseArray<ProcessRecord>> pmap =
		mProcessList.getProcessNamesLOSP().getMap();
		@@ -19046,6 +19053,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}
		}
		}

		// Now that we've dispatched all "ping" events above, we can send our
		// "pong" sentinel value

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

+12 −12

Original line number	Diff line number	Diff line
		@@ -208,7 +208,7 @@ class BroadcastProcessQueue {
		private boolean mLastDeferredStates;

		private boolean mUidForeground;
		private boolean mUidCached;
		private boolean mProcessFreezable;
		private boolean mProcessInstrumented;
		private boolean mProcessPersistent;

		@@ -440,7 +440,7 @@ class BroadcastProcessQueue {
		*/
		@CheckResult
		public boolean setProcessAndUidState(@Nullable ProcessRecord app, boolean uidForeground,
		boolean uidCached) {
		boolean processFreezable) {
		this.app = app;

		// Since we may have just changed our PID, invalidate cached strings
		@@ -449,13 +449,13 @@ class BroadcastProcessQueue {

		boolean didSomething = false;
		if (app != null) {
		didSomething \|= setUidCached(uidCached);
		didSomething \|= setUidForeground(uidForeground);
		didSomething \|= setProcessFreezable(processFreezable);
		didSomething \|= setProcessInstrumented(app.getActiveInstrumentation() != null);
		didSomething \|= setProcessPersistent(app.isPersistent());
		} else {
		didSomething \|= setUidCached(uidCached);
		didSomething \|= setUidForeground(false);
		didSomething \|= setProcessFreezable(false);
		didSomething \|= setProcessInstrumented(false);
		didSomething \|= setProcessPersistent(false);
		}
		@@ -479,13 +479,13 @@ class BroadcastProcessQueue {
		}

		/**
		* Update if this process is in the "cached" state, typically signaling that
		* Update if this process is in the "freezable" state, typically signaling that
		* broadcast dispatch should be paused or delayed.
		*/
		@CheckResult
		private boolean setUidCached(boolean uidCached) {
		if (mUidCached != uidCached) {
		mUidCached = uidCached;
		private boolean setProcessFreezable(boolean freezable) {
		if (mProcessFreezable != freezable) {
		mProcessFreezable = freezable;
		invalidateRunnableAt();
		return true;
		} else {
		@@ -1150,7 +1150,7 @@ class BroadcastProcessQueue {
		} else if (mCountManifest > 0) {
		mRunnableAt = runnableAt;
		mRunnableAtReason = REASON_CONTAINS_MANIFEST;
		} else if (mUidCached) {
		} else if (mProcessFreezable) {
		if (r.deferUntilActive) {
		// All enqueued broadcasts are deferrable, defer
		if (mCountDeferred == mCountEnqueued) {
		@@ -1220,7 +1220,7 @@ class BroadcastProcessQueue {
		// When all we have pending is deferred broadcasts, and we're cached,
		// then we want everything to be marked deferred
		final boolean wantDeferredStates = (mCountDeferred > 0)
		&& (mCountDeferred == mCountEnqueued) && mUidCached;
		&& (mCountDeferred == mCountEnqueued) && mProcessFreezable;

		if (mLastDeferredStates != wantDeferredStates) {
		mLastDeferredStates = wantDeferredStates;
		@@ -1407,9 +1407,9 @@ class BroadcastProcessQueue {
		if (mUidForeground) {
		sb.append("FG");
		}
		if (mUidCached) {
		if (mProcessFreezable) {
		if (sb.length() > 0) sb.append("\|");
		sb.append("CACHED");
		sb.append("FRZ");
		}
		if (mProcessInstrumented) {
		if (sb.length() > 0) sb.append("\|");

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

+7 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,13 @@ public abstract class BroadcastQueue {
		@GuardedBy("mService")
		public abstract void onApplicationCleanupLocked(@NonNull ProcessRecord app);

		/**
		* Signal from OS internals that the given process is in a freezable state and will be
		* frozen soon after.
		*/
		@GuardedBy("mService")
		public abstract void onProcessFreezableChangedLocked(@NonNull ProcessRecord app);

		/**
		* Signal from OS internals that the given package (or some subset of that
		* package) has been disabled or uninstalled, and that any pending

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

+4 −0

Original line number	Diff line number	Diff line
		@@ -466,6 +466,10 @@ public class BroadcastQueueImpl extends BroadcastQueue {
		skipCurrentOrPendingReceiverLocked(app);
		}

		public void onProcessFreezableChangedLocked(ProcessRecord app) {
		// Not supported; ignore
		}

		public boolean sendPendingBroadcastsLocked(ProcessRecord app)
		throws BroadcastDeliveryFailedException {
		boolean didSomething = false;

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

+41 −38

Original line number	Diff line number	Diff line
		@@ -232,16 +232,6 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		@GuardedBy("mService")
		private final SparseBooleanArray mUidForeground = new SparseBooleanArray();

		/**
		* Map from UID to its last known "cached" state.
		* <p>
		* We manually maintain this data structure since the lifecycle of
		* {@link ProcessRecord} and {@link BroadcastProcessQueue} can be
		* mismatched.
		*/
		@GuardedBy("mService")
		private final SparseBooleanArray mUidCached = new SparseBooleanArray();

		private final BroadcastConstants mConstants;
		private final BroadcastConstants mFgConstants;
		private final BroadcastConstants mBgConstants;
		@@ -258,6 +248,7 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		private static final int MSG_BG_ACTIVITY_START_TIMEOUT = 4;
		private static final int MSG_CHECK_HEALTH = 5;
		private static final int MSG_CHECK_PENDING_COLD_START_VALIDITY = 6;
		private static final int MSG_PROCESS_FREEZABLE_CHANGED = 7;

		private void enqueueUpdateRunningList() {
		mLocalHandler.removeMessages(MSG_UPDATE_RUNNING_LIST);
		@@ -298,6 +289,12 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		checkPendingColdStartValidity();
		return true;
		}
		case MSG_PROCESS_FREEZABLE_CHANGED: {
		synchronized (mService) {
		refreshProcessQueueLocked((ProcessRecord) msg.obj);
		}
		return true;
		}
		}
		return false;
		};
		@@ -672,6 +669,12 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		enqueueUpdateRunningList();
		}

		@Override
		public void onProcessFreezableChangedLocked(@NonNull ProcessRecord app) {
		mLocalHandler.removeMessages(MSG_PROCESS_FREEZABLE_CHANGED, app);
		mLocalHandler.sendMessage(mHandler.obtainMessage(MSG_PROCESS_FREEZABLE_CHANGED, app));
		}

		@Override
		public int getPreferredSchedulingGroupLocked(@NonNull ProcessRecord app) {
		final BroadcastProcessQueue queue = getProcessQueue(app);
		@@ -1465,7 +1468,6 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		};
		broadcastPredicate = BROADCAST_PREDICATE_ANY;

		cleanupUserStateLocked(mUidCached, userId);
		cleanupUserStateLocked(mUidForeground, userId);
		}
		return forEachMatchingBroadcast(queuePredicate, broadcastPredicate,
		@@ -1611,22 +1613,6 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		}, ActivityManager.UID_OBSERVER_PROCSTATE,
		ActivityManager.PROCESS_STATE_TOP, "android");

		mService.registerUidObserver(new UidObserver() {
		@Override
		public void onUidStateChanged(int uid, int procState, long procStateSeq,
		int capability) {
		synchronized (mService) {
		if (procState > ActivityManager.PROCESS_STATE_LAST_ACTIVITY) {
		mUidCached.put(uid, true);
		} else {
		mUidCached.delete(uid);
		}
		refreshProcessQueuesLocked(uid);
		}
		}
		}, ActivityManager.UID_OBSERVER_PROCSTATE,
		ActivityManager.PROCESS_STATE_LAST_ACTIVITY, "android");

		// Kick off periodic health checks
		mLocalHandler.sendEmptyMessage(MSG_CHECK_HEALTH);
		}
		@@ -1814,10 +1800,9 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		// warm via this operation, we're going to immediately promote it to
		// be running, and any side effect of this operation will then apply
		// after it's finished and is returned to the runnable list.
		queue.setProcessAndUidState(
		mService.getProcessRecordLocked(queue.processName, queue.uid),
		mUidForeground.get(queue.uid, false),
		mUidCached.get(queue.uid, false));
		final ProcessRecord app = mService.getProcessRecordLocked(queue.processName, queue.uid);
		queue.setProcessAndUidState(app, mUidForeground.get(queue.uid, false),
		isProcessFreezable(app));
		}
		}

		@@ -1829,11 +1814,21 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		private void setQueueProcess(@NonNull BroadcastProcessQueue queue,
		@Nullable ProcessRecord app) {
		if (queue.setProcessAndUidState(app, mUidForeground.get(queue.uid, false),
		mUidCached.get(queue.uid, false))) {
		isProcessFreezable(app))) {
		updateRunnableList(queue);
		}
		}

		@GuardedBy("mService")
		private boolean isProcessFreezable(@Nullable ProcessRecord app) {
		if (app == null) {
		return false;
		}
		synchronized (mService.mProcLock) {
		return app.mOptRecord.isPendingFreeze() \|\| app.mOptRecord.isFrozen();
		}
		}

		/**
		* Refresh the process queues with the latest process state so that runnableAt
		* can be updated.
		@@ -1850,6 +1845,20 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		enqueueUpdateRunningList();
		}

		/**
		* Refresh the process queue corresponding to {@code app} with the latest process state
		* so that runnableAt can be updated.
		*/
		@GuardedBy("mService")
		private void refreshProcessQueueLocked(@NonNull ProcessRecord app) {
		final BroadcastProcessQueue queue = getProcessQueue(app.processName, app.uid);
		if (queue == null \|\| queue.app == null \|\| queue.app.getPid() != app.getPid()) {
		return;
		}
		setQueueProcess(queue, queue.app);
		enqueueUpdateRunningList();
		}

		/**
		* Inform other parts of OS that the given broadcast queue has started
		* running, typically for internal bookkeeping.
		@@ -2176,12 +2185,6 @@ class BroadcastQueueModernImpl extends BroadcastQueue {
		ipw.decreaseIndent();
		ipw.println();

		ipw.println("Cached UIDs:");
		ipw.increaseIndent();
		ipw.println(mUidCached);
		ipw.decreaseIndent();
		ipw.println();

		ipw.println("Foreground UIDs:");
		ipw.increaseIndent();
		ipw.println(mUidForeground);