Add traces to the code where wallpaper is loaded during a user switch. (0e97a0b2) · Commits · e / os / android_frameworks_base

core/java/android/app/WallpaperManager.java

+15 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,7 @@ import android.os.ParcelFileDescriptor;
		import android.os.RemoteException;
		import android.os.StrictMode;
		import android.os.SystemProperties;
		import android.os.Trace;
		import android.text.TextUtils;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		@@ -612,11 +613,14 @@ public class WallpaperManager {
		ColorManagementProxy cmProxy) {
		if (mService != null) {
		try {
		Trace.beginSection("WPMS.isWallpaperSupported");
		if (!mService.isWallpaperSupported(context.getOpPackageName())) {
		return null;
		}
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		} finally {
		Trace.endSection();
		}
		}
		synchronized (this) {
		@@ -627,6 +631,7 @@ public class WallpaperManager {
		mCachedWallpaper = null;
		Bitmap currentWallpaper = null;
		try {
		Trace.beginSection("WPMS.getCurrentWallpaperLocked");
		currentWallpaper = getCurrentWallpaperLocked(
		context, which, userId, hardware, cmProxy);
		} catch (OutOfMemoryError e) {
		@@ -652,6 +657,8 @@ public class WallpaperManager {
		// Post-O apps really most sincerely need the permission.
		throw e;
		}
		} finally {
		Trace.endSection();
		}
		if (currentWallpaper != null) {
		mCachedWallpaper = new CachedWallpaper(currentWallpaper, userId, which);
		@@ -730,9 +737,11 @@ public class WallpaperManager {

		try {
		Bundle params = new Bundle();
		Trace.beginSection("WPMS.getWallpaperWithFeature_" + which);
		ParcelFileDescriptor pfd = mService.getWallpaperWithFeature(
		context.getOpPackageName(), context.getAttributionTag(), this, which,
		params, userId, /* getCropped = */ true);
		Trace.endSection();

		if (pfd != null) {
		try (BufferedInputStream bis = new BufferedInputStream(
		@@ -762,13 +771,18 @@ public class WallpaperManager {
		}

		private Bitmap getDefaultWallpaper(Context context, @SetWallpaperFlags int which) {
		Trace.beginSection("WPMS.getDefaultWallpaper_" + which);
		Bitmap defaultWallpaper = mDefaultWallpaper;
		if (defaultWallpaper == null \|\| defaultWallpaper.isRecycled()) {
		defaultWallpaper = null;
		Trace.beginSection("WPMS.openDefaultWallpaper");
		try (InputStream is = openDefaultWallpaper(context, which)) {
		Trace.endSection();
		if (is != null) {
		BitmapFactory.Options options = new BitmapFactory.Options();
		Trace.beginSection("WPMS.decodeStream");
		defaultWallpaper = BitmapFactory.decodeStream(is, null, options);
		Trace.endSection();
		}
		} catch (OutOfMemoryError \| IOException e) {
		Log.w(TAG, "Can't decode stream", e);
		@@ -777,6 +791,7 @@ public class WallpaperManager {
		synchronized (this) {
		mDefaultWallpaper = defaultWallpaper;
		}
		Trace.endSection();
		return defaultWallpaper;
		}

packages/SystemUI/src/com/android/systemui/wallpapers/ImageWallpaper.java

+17 −1

Original line number	Diff line number	Diff line
		@@ -317,10 +317,11 @@ public class ImageWallpaper extends WallpaperService {
		}

		private void loadWallpaperAndDrawFrameInternal() {
		Trace.beginSection("ImageWallpaper.CanvasEngine#loadWallpaper");
		Trace.beginSection("WPMS.ImageWallpaper.CanvasEngine#loadWallpaper");
		boolean loadSuccess = false;
		Bitmap bitmap;
		try {
		Trace.beginSection("WPMS.getBitmapAsUser");
		bitmap = mWallpaperManager.getBitmapAsUser(
		mUserTracker.getUserId(), false, getSourceFlag(), true);
		if (bitmap != null
		@@ -333,15 +334,22 @@ public class ImageWallpaper extends WallpaperService {
		// be loaded, we will go into a cycle. Don't do a build where the
		// default wallpaper can't be loaded.
		Log.w(TAG, "Unable to load wallpaper!", exception);
		Trace.beginSection("WPMS.clearWallpaper");
		mWallpaperManager.clearWallpaper(getWallpaperFlags(), mUserTracker.getUserId());
		Trace.endSection();

		try {
		Trace.beginSection("WPMS.getBitmapAsUser_defaultWallpaper");
		bitmap = mWallpaperManager.getBitmapAsUser(
		mUserTracker.getUserId(), false, getSourceFlag(), true);
		} catch (RuntimeException \| OutOfMemoryError e) {
		Log.w(TAG, "Unable to load default wallpaper!", e);
		bitmap = null;
		} finally {
		Trace.endSection();
		}
		} finally {
		Trace.endSection();
		}

		if (bitmap == null) {
		@@ -355,15 +363,23 @@ public class ImageWallpaper extends WallpaperService {
		loadSuccess = true;
		// recycle the previously loaded bitmap
		if (mBitmap != null) {
		Trace.beginSection("WPMS.mBitmap.recycle");
		mBitmap.recycle();
		Trace.endSection();
		}
		mBitmap = bitmap;
		Trace.beginSection("WPMS.wallpaperSupportsWcg");
		mWideColorGamut = mWallpaperManager.wallpaperSupportsWcg(getSourceFlag());
		Trace.endSection();

		// +2 usages for the color extraction and the delayed unload.
		mBitmapUsages += 2;
		Trace.beginSection("WPMS.recomputeColorExtractorMiniBitmap");
		recomputeColorExtractorMiniBitmap();
		Trace.endSection();
		Trace.beginSection("WPMS.drawFrameInternal");
		drawFrameInternal();
		Trace.endSection();

		/*
		* after loading, the bitmap will be unloaded after all these conditions: