Reclaim more memory, more often. (65b345fa) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+64 −56

Original line number	Diff line number	Diff line
		@@ -123,7 +123,6 @@ public final class ActivityThread {
		/** @hide */
		public static final String TAG = "ActivityThread";
		private static final android.graphics.Bitmap.Config THUMBNAIL_FORMAT = Bitmap.Config.RGB_565;
		private static final boolean DEBUG = false;
		static final boolean localLOGV = false;
		static final boolean DEBUG_MESSAGES = false;
		/** @hide */
		@@ -163,7 +162,7 @@ public final class ActivityThread {
		= new ArrayList<Application>();
		// set of instantiated backup agents, keyed by package name
		final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>();
		static final ThreadLocal<ActivityThread> sThreadLocal = new ThreadLocal();
		static final ThreadLocal<ActivityThread> sThreadLocal = new ThreadLocal<ActivityThread>();
		Instrumentation mInstrumentation;
		String mInstrumentationAppDir = null;
		String mInstrumentationAppPackage = null;
		@@ -410,9 +409,9 @@ public final class ActivityThread {
		CompatibilityInfo info;
		}

		native private void dumpGraphicsInfo(FileDescriptor fd);
		private native void dumpGraphicsInfo(FileDescriptor fd);

		private final class ApplicationThread extends ApplicationThreadNative {
		private class ApplicationThread extends ApplicationThreadNative {
		private static final String HEAP_COLUMN = "%13s %8s %8s %8s %8s %8s %8s";
		private static final String ONE_COUNT_COLUMN = "%21s %8d";
		private static final String TWO_COUNT_COLUMNS = "%21s %8d %21s %8d";
		@@ -734,13 +733,13 @@ public final class ActivityThread {
		FileOutputStream fout = new FileOutputStream(fd);
		PrintWriter pw = new PrintWriter(fout);
		try {
		return dumpMemInfo(fd, pw, args);
		return dumpMemInfo(pw, args);
		} finally {
		pw.flush();
		}
		}

		private Debug.MemoryInfo dumpMemInfo(FileDescriptor fd, PrintWriter pw, String[] args) {
		private Debug.MemoryInfo dumpMemInfo(PrintWriter pw, String[] args) {
		long nativeMax = Debug.getNativeHeapSize() / 1024;
		long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
		long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
		@@ -754,7 +753,7 @@ public final class ActivityThread {
		long dalvikFree = runtime.freeMemory() / 1024;
		long dalvikAllocated = dalvikMax - dalvikFree;
		long viewInstanceCount = ViewDebug.getViewInstanceCount();
		long viewRootInstanceCount = ViewDebug.getViewAncestorInstanceCount();
		long viewRootInstanceCount = ViewDebug.getViewRootImplCount();
		long appContextInstanceCount = Debug.countInstancesOfClass(ContextImpl.class);
		long activityInstanceCount = Debug.countInstancesOfClass(Activity.class);
		int globalAssetCount = AssetManager.getGlobalAssetCount();
		@@ -868,7 +867,7 @@ public final class ActivityThread {
		int otherPrivateDirty = memInfo.otherPrivateDirty;

		for (int i=0; i<Debug.MemoryInfo.NUM_OTHER_STATS; i++) {
		printRow(pw, HEAP_COLUMN, memInfo.getOtherLabel(i),
		printRow(pw, HEAP_COLUMN, Debug.MemoryInfo.getOtherLabel(i),
		memInfo.getOtherPss(i), memInfo.getOtherSharedDirty(i),
		memInfo.getOtherPrivateDirty(i), "", "", "");
		otherPss -= memInfo.getOtherPss(i);
		@@ -885,7 +884,7 @@ public final class ActivityThread {

		pw.println(" ");
		pw.println(" Objects");
		printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewAncestors:",
		printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRootImpl:",
		viewRootInstanceCount);

		printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
		@@ -937,6 +936,7 @@ public final class ActivityThread {
		@Override
		public void dumpGfxInfo(FileDescriptor fd, String[] args) {
		dumpGraphicsInfo(fd);
		WindowManagerImpl.getDefault().dumpGfxInfo(fd);
		}

		private void printRow(PrintWriter pw, String format, Object...objs) {
		@@ -959,7 +959,7 @@ public final class ActivityThread {
		}
		}

		private final class H extends Handler {
		private class H extends Handler {
		public static final int LAUNCH_ACTIVITY = 100;
		public static final int PAUSE_ACTIVITY = 101;
		public static final int PAUSE_ACTIVITY_FINISHING= 102;
		@@ -1220,7 +1220,7 @@ public final class ActivityThread {
		}
		}

		private final class Idler implements MessageQueue.IdleHandler {
		private class Idler implements MessageQueue.IdleHandler {
		public final boolean queueIdle() {
		ActivityClientRecord a = mNewActivities;
		if (a != null) {
		@@ -1231,12 +1231,13 @@ public final class ActivityThread {
		if (localLOGV) Slog.v(
		TAG, "Reporting idle of " + a +
		" finished=" +
		(a.activity != null ? a.activity.mFinished : false));
		(a.activity != null && a.activity.mFinished));
		if (a.activity != null && !a.activity.mFinished) {
		try {
		am.activityIdle(a.token, a.createdConfig);
		a.createdConfig = null;
		} catch (RemoteException ex) {
		// Ignore
		}
		}
		prev = a;
		@@ -1256,7 +1257,7 @@ public final class ActivityThread {
		}
		}

		private final static class ResourcesKey {
		private static class ResourcesKey {
		final private String mResDir;
		final private float mScale;
		final private int mHash;
		@@ -1282,17 +1283,17 @@ public final class ActivityThread {
		}
		}

		public static final ActivityThread currentActivityThread() {
		public static ActivityThread currentActivityThread() {
		return sThreadLocal.get();
		}

		public static final String currentPackageName() {
		public static String currentPackageName() {
		ActivityThread am = currentActivityThread();
		return (am != null && am.mBoundApplication != null)
		? am.mBoundApplication.processName : null;
		}

		public static final Application currentApplication() {
		public static Application currentApplication() {
		ActivityThread am = currentActivityThread();
		return am != null ? am.mInitialApplication : null;
		}
		@@ -1337,7 +1338,7 @@ public final class ActivityThread {
		return config;
		}

		private final Configuration mMainThreadConfig = new Configuration();
		private Configuration mMainThreadConfig = new Configuration();
		Configuration applyConfigCompatMainThread(Configuration config, CompatibilityInfo compat) {
		if (config == null) {
		return null;
		@@ -1456,6 +1457,7 @@ public final class ActivityThread {
		ai = getPackageManager().getApplicationInfo(packageName,
		PackageManager.GET_SHARED_LIBRARY_FILES);
		} catch (RemoteException e) {
		// Ignore
		}

		if (ai != null) {
		@@ -1505,7 +1507,7 @@ public final class ActivityThread {
		}
		}

		private final LoadedApk getPackageInfo(ApplicationInfo aInfo, CompatibilityInfo compatInfo,
		private LoadedApk getPackageInfo(ApplicationInfo aInfo, CompatibilityInfo compatInfo,
		ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
		synchronized (mPackages) {
		WeakReference<LoadedApk> ref;
		@@ -1712,15 +1714,15 @@ public final class ActivityThread {

		// if the thread hasn't started yet, we don't have the handler, so just
		// save the messages until we're ready.
		private final void queueOrSendMessage(int what, Object obj) {
		private void queueOrSendMessage(int what, Object obj) {
		queueOrSendMessage(what, obj, 0, 0);
		}

		private final void queueOrSendMessage(int what, Object obj, int arg1) {
		private void queueOrSendMessage(int what, Object obj, int arg1) {
		queueOrSendMessage(what, obj, arg1, 0);
		}

		private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
		private void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
		synchronized (this) {
		if (DEBUG_MESSAGES) Slog.v(
		TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
		@@ -1743,7 +1745,7 @@ public final class ActivityThread {
		queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
		}

		private final Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) {
		private Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) {
		// System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");

		ActivityInfo aInfo = r.activityInfo;
		@@ -1861,7 +1863,7 @@ public final class ActivityThread {
		return activity;
		}

		private final void handleLaunchActivity(ActivityClientRecord r, Intent customIntent) {
		private void handleLaunchActivity(ActivityClientRecord r, Intent customIntent) {
		// If we are getting ready to gc after going to the background, well
		// we are back active so skip it.
		unscheduleGcIdler();
		@@ -1917,11 +1919,12 @@ public final class ActivityThread {
		ActivityManagerNative.getDefault()
		.finishActivity(r.token, Activity.RESULT_CANCELED, null);
		} catch (RemoteException ex) {
		// Ignore
		}
		}
		}

		private final void deliverNewIntents(ActivityClientRecord r,
		private void deliverNewIntents(ActivityClientRecord r,
		List<Intent> intents) {
		final int N = intents.size();
		for (int i=0; i<N; i++) {
		@@ -1949,7 +1952,7 @@ public final class ActivityThread {
		}
		}

		private final void handleNewIntent(NewIntentData data) {
		private void handleNewIntent(NewIntentData data) {
		performNewIntents(data.token, data.intents);
		}

		@@ -1964,7 +1967,7 @@ public final class ActivityThread {
		return sCurrentBroadcastIntent.get();
		}

		private final void handleReceiver(ReceiverData data) {
		private void handleReceiver(ReceiverData data) {
		// If we are getting ready to gc after going to the background, well
		// we are back active so skip it.
		unscheduleGcIdler();
		@@ -1976,7 +1979,7 @@ public final class ActivityThread {

		IActivityManager mgr = ActivityManagerNative.getDefault();

		BroadcastReceiver receiver = null;
		BroadcastReceiver receiver;
		try {
		java.lang.ClassLoader cl = packageInfo.getClassLoader();
		data.intent.setExtrasClassLoader(cl);
		@@ -2026,7 +2029,7 @@ public final class ActivityThread {
		}

		// Instantiate a BackupAgent and tell it that it's alive
		private final void handleCreateBackupAgent(CreateBackupAgentData data) {
		private void handleCreateBackupAgent(CreateBackupAgentData data) {
		if (DEBUG_BACKUP) Slog.v(TAG, "handleCreateBackupAgent: " + data);

		// no longer idle; we have backup work to do
		@@ -2091,7 +2094,7 @@ public final class ActivityThread {
		}

		// Tear down a BackupAgent
		private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
		private void handleDestroyBackupAgent(CreateBackupAgentData data) {
		if (DEBUG_BACKUP) Slog.v(TAG, "handleDestroyBackupAgent: " + data);

		LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo, data.compatInfo);
		@@ -2110,7 +2113,7 @@ public final class ActivityThread {
		}
		}

		private final void handleCreateService(CreateServiceData data) {
		private void handleCreateService(CreateServiceData data) {
		// If we are getting ready to gc after going to the background, well
		// we are back active so skip it.
		unscheduleGcIdler();
		@@ -2156,7 +2159,7 @@ public final class ActivityThread {
		}
		}

		private final void handleBindService(BindServiceData data) {
		private void handleBindService(BindServiceData data) {
		Service s = mServices.get(data.token);
		if (s != null) {
		try {
		@@ -2184,7 +2187,7 @@ public final class ActivityThread {
		}
		}

		private final void handleUnbindService(BindServiceData data) {
		private void handleUnbindService(BindServiceData data) {
		Service s = mServices.get(data.token);
		if (s != null) {
		try {
		@@ -2236,7 +2239,7 @@ public final class ActivityThread {
		}
		}

		private final void handleServiceArgs(ServiceArgsData data) {
		private void handleServiceArgs(ServiceArgsData data) {
		Service s = mServices.get(data.token);
		if (s != null) {
		try {
		@@ -2270,7 +2273,7 @@ public final class ActivityThread {
		}
		}

		private final void handleStopService(IBinder token) {
		private void handleStopService(IBinder token) {
		Service s = mServices.remove(token);
		if (s != null) {
		try {
		@@ -2465,7 +2468,7 @@ public final class ActivityThread {
		private Bitmap mAvailThumbnailBitmap = null;
		private Canvas mThumbnailCanvas = null;

		private final Bitmap createThumbnailBitmap(ActivityClientRecord r) {
		private Bitmap createThumbnailBitmap(ActivityClientRecord r) {
		Bitmap thumbnail = mAvailThumbnailBitmap;
		try {
		if (thumbnail == null) {
		@@ -2515,7 +2518,7 @@ public final class ActivityThread {
		return thumbnail;
		}

		private final void handlePauseActivity(IBinder token, boolean finished,
		private void handlePauseActivity(IBinder token, boolean finished,
		boolean userLeaving, int configChanges) {
		ActivityClientRecord r = mActivities.get(token);
		if (r != null) {
		@@ -2621,7 +2624,7 @@ public final class ActivityThread {
		CharSequence description;
		}

		private final class ProviderRefCount {
		private class ProviderRefCount {
		public int count;
		ProviderRefCount(int pCount) {
		count = pCount;
		@@ -2636,7 +2639,7 @@ public final class ActivityThread {
		* For the client, we want to call onStop()/onStart() to indicate when
		* the activity's UI visibillity changes.
		*/
		private final void performStopActivityInner(ActivityClientRecord r,
		private void performStopActivityInner(ActivityClientRecord r,
		StopInfo info, boolean keepShown, boolean saveState) {
		if (localLOGV) Slog.v(TAG, "Performing stop of " + r);
		Bundle state = null;
		@@ -2699,7 +2702,7 @@ public final class ActivityThread {
		}
		}

		private final void updateVisibility(ActivityClientRecord r, boolean show) {
		private void updateVisibility(ActivityClientRecord r, boolean show) {
		View v = r.activity.mDecor;
		if (v != null) {
		if (show) {
		@@ -2726,7 +2729,7 @@ public final class ActivityThread {
		}
		}

		private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
		private void handleStopActivity(IBinder token, boolean show, int configChanges) {
		ActivityClientRecord r = mActivities.get(token);
		r.activity.mConfigChangeFlags \|= configChanges;

		@@ -2760,7 +2763,7 @@ public final class ActivityThread {
		}
		}

		private final void handleWindowVisibility(IBinder token, boolean show) {
		private void handleWindowVisibility(IBinder token, boolean show) {
		ActivityClientRecord r = mActivities.get(token);

		if (r == null) {
		@@ -2785,7 +2788,7 @@ public final class ActivityThread {
		}
		}

		private final void handleSleeping(IBinder token, boolean sleeping) {
		private void handleSleeping(IBinder token, boolean sleeping) {
		ActivityClientRecord r = mActivities.get(token);

		if (r == null) {
		@@ -2846,7 +2849,7 @@ public final class ActivityThread {
		WindowManagerImpl.getDefault().reportNewConfiguration(mConfiguration);
		}

		private final void deliverResults(ActivityClientRecord r, List<ResultInfo> results) {
		private void deliverResults(ActivityClientRecord r, List<ResultInfo> results) {
		final int N = results.size();
		for (int i=0; i<N; i++) {
		ResultInfo ri = results.get(i);
		@@ -2869,7 +2872,7 @@ public final class ActivityThread {
		}
		}

		private final void handleSendResult(ResultData res) {
		private void handleSendResult(ResultData res) {
		ActivityClientRecord r = mActivities.get(res.token);
		if (DEBUG_RESULTS) Slog.v(TAG, "Handling send result to " + r);
		if (r != null) {
		@@ -2915,7 +2918,7 @@ public final class ActivityThread {
		return performDestroyActivity(token, finishing, 0, false);
		}

		private final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing,
		private ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing,
		int configChanges, boolean getNonConfigInstance) {
		ActivityClientRecord r = mActivities.get(token);
		Class activityClass = null;
		@@ -3008,7 +3011,7 @@ public final class ActivityThread {
		return component == null ? "[Unknown]" : component.toShortString();
		}

		private final void handleDestroyActivity(IBinder token, boolean finishing,
		private void handleDestroyActivity(IBinder token, boolean finishing,
		int configChanges, boolean getNonConfigInstance) {
		ActivityClientRecord r = performDestroyActivity(token, finishing,
		configChanges, getNonConfigInstance);
		@@ -3123,7 +3126,7 @@ public final class ActivityThread {
		}
		}

		private final void handleRelaunchActivity(ActivityClientRecord tmp) {
		private void handleRelaunchActivity(ActivityClientRecord tmp) {
		// If we are getting ready to gc after going to the background, well
		// we are back active so skip it.
		unscheduleGcIdler();
		@@ -3233,7 +3236,7 @@ public final class ActivityThread {
		handleLaunchActivity(r, currentIntent);
		}

		private final void handleRequestThumbnail(IBinder token) {
		private void handleRequestThumbnail(IBinder token) {
		ActivityClientRecord r = mActivities.get(token);
		Bitmap thumbnail = createThumbnailBitmap(r);
		CharSequence description = null;
		@@ -3308,7 +3311,7 @@ public final class ActivityThread {
		return callbacks;
		}

		private final void performConfigurationChanged(
		private void performConfigurationChanged(
		ComponentCallbacks cb, Configuration config) {
		// Only for Activity objects, check that they actually call up to their
		// superclass implementation. ComponentCallbacks is an interface, so
		@@ -3452,6 +3455,9 @@ public final class ActivityThread {
		callbacks = collectComponentCallbacksLocked(false, config);
		}

		// Cleanup hardware accelerated stuff
		WindowManagerImpl.getDefault().trimLocalMemory();

		if (callbacks != null) {
		final int N = callbacks.size();
		for (int i=0; i<N; i++) {
		@@ -3579,7 +3585,7 @@ public final class ActivityThread {
		WindowManagerImpl.getDefault().trimMemory(level);
		}

		private final void handleBindApplication(AppBindData data) {
		private void handleBindApplication(AppBindData data) {
		mBoundApplication = data;
		mConfiguration = new Configuration(data.config);
		mCompatConfiguration = new Configuration(data.config);
		@@ -3791,7 +3797,7 @@ public final class ActivityThread {
		}
		}

		private final void installContentProviders(
		private void installContentProviders(
		Context context, List<ProviderInfo> providers) {
		final ArrayList<IActivityManager.ContentProviderHolder> results =
		new ArrayList<IActivityManager.ContentProviderHolder>();
		@@ -3825,7 +3831,7 @@ public final class ActivityThread {
		}
		}

		private final IContentProvider getExistingProvider(Context context, String name) {
		private IContentProvider getExistingProvider(Context context, String name) {
		synchronized(mProviderMap) {
		final ProviderClientRecord pr = mProviderMap.get(name);
		if (pr != null) {
		@@ -3835,7 +3841,7 @@ public final class ActivityThread {
		}
		}

		private final IContentProvider getProvider(Context context, String name) {
		private IContentProvider getProvider(Context context, String name) {
		IContentProvider existing = getExistingProvider(context, name);
		if (existing != null) {
		return existing;
		@@ -4007,7 +4013,7 @@ public final class ActivityThread {
		}
		}

		private final IContentProvider installProvider(Context context,
		private IContentProvider installProvider(Context context,
		IContentProvider provider, ProviderInfo info, boolean noisy) {
		ContentProvider localProvider = null;
		if (provider == null) {
		@@ -4027,6 +4033,7 @@ public final class ActivityThread {
		c = context.createPackageContext(ai.packageName,
		Context.CONTEXT_INCLUDE_CODE);
		} catch (PackageManager.NameNotFoundException e) {
		// Ignore
		}
		}
		if (c == null) {
		@@ -4086,7 +4093,7 @@ public final class ActivityThread {
		return provider;
		}

		private final void attach(boolean system) {
		private void attach(boolean system) {
		sThreadLocal.set(this);
		mSystemThread = system;
		if (!system) {
		@@ -4101,6 +4108,7 @@ public final class ActivityThread {
		try {
		mgr.attachApplication(mAppThread);
		} catch (RemoteException ex) {
		// Ignore
		}
		} else {
		// Don't set application object here -- if the system crashes,
		@@ -4166,7 +4174,7 @@ public final class ActivityThread {
		}
		}

		public static final void main(String[] args) {
		public static void main(String[] args) {
		SamplingProfilerIntegration.start();

		// CloseGuard defaults to true and can be quite spammy. We

core/java/android/view/DisplayList.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -54,4 +54,11 @@ public abstract class DisplayList {
		* @return boolean true if the display list is able to be replayed, false otherwise.
		*/
		abstract boolean isValid();

		/**
		* Return the amount of memory used by this display list.
		*
		* @return The size of this display list in bytes
		*/
		abstract int getSize();
		}

core/java/android/view/GLES20Canvas.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -330,6 +330,12 @@ class GLES20Canvas extends HardwareCanvas {

		private static native void nDestroyDisplayList(int displayList);

		static int getDisplayListSize(int displayList) {
		return nGetDisplayListSize(displayList);
		}

		private static native int nGetDisplayListSize(int displayList);

		@Override
		public boolean drawDisplayList(DisplayList displayList, int width, int height, Rect dirty) {
		return nDrawDisplayList(mRenderer,

core/java/android/view/GLES20DisplayList.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,12 @@ class GLES20DisplayList extends DisplayList {
		}
		}

		@Override
		int getSize() {
		if (mFinalizer == null) return 0;
		return GLES20Canvas.getDisplayListSize(mFinalizer.mNativeDisplayList);
		}

		private static class DisplayListFinalizer {
		final int mNativeDisplayList;

core/java/android/view/HardwareRenderer.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -934,7 +934,9 @@ public abstract class HardwareRenderer {
		}

		private void destroyHardwareLayer(View view) {
		view.destroyLayer();
		if (view.destroyLayer()) {
		view.invalidate(true);
		}
		if (view instanceof ViewGroup) {
		ViewGroup group = (ViewGroup) view;