Add Package Manager tracing (c8a465c4) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageManagerService.java

+151 −37

Original line number	Diff line number	Diff line
		@@ -66,6 +66,7 @@ import static android.content.pm.PackageManager.PERMISSION_GRANTED;
		import static android.content.pm.PackageParser.isApkFile;
		import static android.os.Process.PACKAGE_INFO_GID;
		import static android.os.Process.SYSTEM_UID;
		import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER;
		import static android.system.OsConstants.O_CREAT;
		import static android.system.OsConstants.O_RDWR;
		import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
		@@ -163,6 +164,7 @@ import android.os.SELinux;
		import android.os.ServiceManager;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.os.Trace;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.os.storage.IMountService;
		@@ -1134,6 +1136,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		// need to do anything. The pending install
		// will be processed later on.
		if (!mBound) {
		try {
		Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindMCS",
		System.identityHashCode(params));
		// If this is the only one pending we might
		// have to bind to the service again.
		if (!connectToService()) {
		@@ -1145,6 +1150,10 @@ public class PackageManagerService extends IPackageManager.Stub {
		// pending request will be processed.
		mPendingInstalls.add(idx, params);
		}
		} finally {
		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindMCS",
		System.identityHashCode(params));
		}
		} else {
		mPendingInstalls.add(idx, params);
		// Already bound to the service. Just make
		@@ -1168,6 +1177,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		for (HandlerParams params : mPendingInstalls) {
		// Indicate service bind error
		params.serviceError();
		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
		System.identityHashCode(params));
		}
		mPendingInstalls.clear();
		} else {
		@@ -1205,6 +1216,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}
		}
		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
		System.identityHashCode(params));
		} else {
		// Should never happen ideally.
		Slog.w(TAG, "Empty queue");
		@@ -1222,6 +1235,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		for (HandlerParams params : mPendingInstalls) {
		// Indicate service bind error
		params.serviceError();
		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
		System.identityHashCode(params));
		}
		mPendingInstalls.clear();
		}
		@@ -1249,7 +1264,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		case MCS_GIVE_UP: {
		if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
		mPendingInstalls.remove(0);
		HandlerParams params = mPendingInstalls.remove(0);
		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
		System.identityHashCode(params));
		break;
		}
		case SEND_PENDING_BROADCAST: {
		@@ -1444,6 +1461,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		} else {
		Slog.e(TAG, "Bogus post-install token " + msg.arg1);
		}

		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1);
		} break;
		case UPDATED_MEDIA_STATUS: {
		if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
		@@ -1525,6 +1544,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		processPendingInstall(args, ret);
		mHandler.sendEmptyMessage(MCS_UNBIND);
		}
		Trace.asyncTraceEnd(
		TRACE_TAG_PACKAGE_MANAGER, "pendingVerification", verificationId);
		break;
		}
		case PACKAGE_VERIFIED: {
		@@ -2207,7 +2228,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		mSettings.enableSystemPackageLPw(packageName);

		try {
		scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null);
		scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null);
		} catch (PackageManagerException e) {
		Slog.e(TAG, "Failed to parse original system package: "
		+ e.getMessage());
		@@ -5577,7 +5598,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		continue;
		}
		try {
		scanPackageLI(file, parseFlags \| PackageParser.PARSE_MUST_BE_APK,
		scanPackageTracedLI(file, parseFlags \| PackageParser.PARSE_MUST_BE_APK,
		scanFlags, currentTime, null);
		} catch (PackageManagerException e) {
		Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
		@@ -5664,9 +5685,23 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		/*
		* Scan a package and return the newly parsed package.
		* Returns null in case of errors and the error code is stored in mLastScanError
		/**
		* Traces a package scan.
		* @see #scanPackageLI(File, int, int, long, UserHandle)
		*/
		private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags,
		long currentTime, UserHandle user) throws PackageManagerException {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage");
		try {
		return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user);
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}
		}

		/**
		* Scans a package and returns the newly parsed package.
		* Returns {@code null} in case of errors and the error code is stored in mLastScanError
		*/
		private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
		long currentTime, UserHandle user) throws PackageManagerException {
		@@ -6437,6 +6472,16 @@ public class PackageManagerService extends IPackageManager.Stub {
		return cpuAbiOverride;
		}

		private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags,
		int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage");
		try {
		return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user);
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}
		}

		private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
		int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
		boolean success = false;
		@@ -6984,6 +7029,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		// this symlink for 64 bit libraries.
		if (pkg.applicationInfo.primaryCpuAbi != null &&
		!VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib");
		try {
		final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
		for (int userId : userIds) {
		if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
		@@ -6992,6 +7039,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		"Failed linking native library dir (user=" + userId + ")");
		}
		}
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}
		}
		}

		@@ -7051,8 +7101,12 @@ public class PackageManagerService extends IPackageManager.Stub {
		}

		if ((scanFlags & SCAN_NO_DEX) == 0) {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");

		int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */,
		forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */);

		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
		throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
		}
		@@ -7141,8 +7195,12 @@ public class PackageManagerService extends IPackageManager.Stub {
		// so that we do not end up in a confused state while the user is still using the older
		// version of the application while the new one gets installed.
		if ((scanFlags & SCAN_REPLACING) != 0) {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication");

		killApplication(pkg.applicationInfo.packageName,
		pkg.applicationInfo.uid, "replace pkg");

		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		// Also need to kill any apps that are dependent on the library.
		@@ -7159,6 +7217,9 @@ public class PackageManagerService extends IPackageManager.Stub {
		ksms.assertScannedPackageValid(pkg);

		// writer
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings");

		boolean createIdmapFailed = false;
		synchronized (mPackages) {
		// We don't expect installation to fail beyond this point

		@@ -7501,8 +7562,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		map.put(pkg.packageName, pkg);
		PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
		if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
		throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
		"scanPackageLI failed to createIdmap");
		createIdmapFailed = true;
		}
		}
		} else if (mOverlays.containsKey(pkg.packageName) &&
		@@ -7512,6 +7572,12 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);

		if (createIdmapFailed) {
		throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
		"scanPackageLI failed to createIdmap");
		}
		return pkg;
		}

		@@ -8310,6 +8376,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		return;
		}

		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions");

		PermissionsState permissionsState = ps.getPermissionsState();
		PermissionsState origPermissions = permissionsState;

		@@ -8536,6 +8604,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		for (int userId : changedRuntimePermissionUserIds) {
		mSettings.writeRuntimePermissionsForUserLPr(userId, false);
		}

		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
		@@ -9528,6 +9598,10 @@ public class PackageManagerService extends IPackageManager.Stub {
		msg.obj = new InstallParams(origin, null, observer, params.installFlags,
		installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride,
		params.grantedRuntimePermissions);

		Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
		System.identityHashCode(msg.obj));

		mHandler.sendMessage(msg);
		}

		@@ -10103,7 +10177,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
		args.doPreInstall(res.returnCode);
		synchronized (mInstallLock) {
		installPackageLI(args, res);
		installPackageTracedLI(args, res);
		}
		args.doPostInstall(res.returnCode, res.uid);
		}
		@@ -10123,8 +10197,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (mNextInstallToken < 0) mNextInstallToken = 1;
		token = mNextInstallToken++;

		PostInstallData data = new PostInstallData(args, res);
		mRunningInstalls.put(token, data);
		if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);

		if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
		@@ -10137,6 +10209,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (bm != null) {
		if (DEBUG_INSTALL) Log.v(TAG, "token " + token
		+ " to BM for possible restore");
		Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token);
		try {
		if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) {
		bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
		@@ -10148,6 +10221,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		} catch (Exception e) {
		Slog.e(TAG, "Exception trying to enqueue restore", e);
		doRestore = false;
		} finally {
		Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token);
		}
		} else {
		Slog.e(TAG, "Backup Manager not found!");
		@@ -10159,6 +10234,11 @@ public class PackageManagerService extends IPackageManager.Stub {
		// No restore possible, or the Backup Manager was mysteriously not
		// available -- just fire the post-install work request directly.
		if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);

		Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token);

		PostInstallData data = new PostInstallData(args, res);
		mRunningInstalls.put(token, data);
		Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
		mHandler.sendMessage(msg);
		}
		@@ -10522,7 +10602,6 @@ public class PackageManagerService extends IPackageManager.Stub {

		final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
		final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;

		PackageInfoLite pkgLite = null;

		if (onInt && onSd) {
		@@ -10718,6 +10797,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		mRequiredVerifierPackage, receivers);
		if (ret == PackageManager.INSTALL_SUCCEEDED
		&& mRequiredVerifierPackage != null) {
		Trace.asyncTraceBegin(
		TRACE_TAG_PACKAGE_MANAGER, "pendingVerification", verificationId);
		/*
		* Send the intent to the required verification agent,
		* but only start the verification timeout after the
		@@ -10984,6 +11065,15 @@ public class PackageManagerService extends IPackageManager.Stub {
		}

		int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk");
		try {
		return doCopyApk(imcs, temp);
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}
		}

		private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
		if (origin.staged) {
		if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy");
		codeFile = origin.file;
		@@ -11693,12 +11783,15 @@ public class PackageManagerService extends IPackageManager.Stub {
		private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
		UserHandle user, String installerPackageName, String volumeUuid,
		PackageInstalledInfo res) {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage");

		// Remember this for later, in case we need to rollback this install
		String pkgName = pkg.packageName;

		if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
		final boolean dataDirExists = Environment
		.getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists();

		synchronized(mPackages) {
		if (mSettings.mRenamedPackages.containsKey(pkgName)) {
		// A package with the same name is already installed, though
		@@ -11719,7 +11812,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		}

		try {
		PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags,
		PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags,
		System.currentTimeMillis(), user);

		updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user);
		@@ -11738,6 +11831,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		} catch (PackageManagerException e) {
		res.setError("Package couldn't be installed in " + pkg.codePath, e);
		}

		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) {
		@@ -11864,7 +11959,7 @@ public class PackageManagerService extends IPackageManager.Stub {

		deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName);
		try {
		final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
		final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags,
		scanFlags \| SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
		updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
		perUserInstalled, res, user);
		@@ -11898,7 +11993,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		(oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
		int oldScanFlags = SCAN_UPDATE_SIGNATURE \| SCAN_UPDATE_TIME;
		try {
		scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
		scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
		} catch (PackageManagerException e) {
		Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
		+ e.getMessage());
		@@ -11980,7 +12075,7 @@ public class PackageManagerService extends IPackageManager.Stub {

		PackageParser.Package newPackage = null;
		try {
		newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);
		newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user);
		if (newPackage.mExtras != null) {
		final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
		newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
		@@ -12013,7 +12108,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		// Add back the old system package
		try {
		scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
		scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
		} catch (PackageManagerException e) {
		Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
		}
		@@ -12034,6 +12129,8 @@ public class PackageManagerService extends IPackageManager.Stub {
		private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
		String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res,
		UserHandle user) {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings");

		String pkgName = newPackage.packageName;
		synchronized (mPackages) {
		//write settings. the installStatus will be incomplete at this stage.
		@@ -12044,7 +12141,6 @@ public class PackageManagerService extends IPackageManager.Stub {
		}

		if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);

		synchronized (mPackages) {
		updatePermissionsLPw(newPackage.packageName, newPackage,
		UPDATE_PERMISSIONS_REPLACE_PKG \| (newPackage.permissions.size() > 0
		@@ -12095,6 +12191,17 @@ public class PackageManagerService extends IPackageManager.Stub {
		//to update install status
		mSettings.writeLPr();
		}

		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) {
		try {
		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage");
		installPackageLI(args, res);
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}
		}

		private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
		@@ -12115,6 +12222,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		res.returnCode = PackageManager.INSTALL_SUCCEEDED;

		if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);

		// Retrieve PackageSettings and parse package
		final int parseFlags = mDefParseFlags \| PackageParser.PARSE_CHATTY
		\| (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
		@@ -12123,12 +12231,15 @@ public class PackageManagerService extends IPackageManager.Stub {
		pp.setSeparateProcesses(mSeparateProcesses);
		pp.setDisplayMetrics(mMetrics);

		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage");
		final PackageParser.Package pkg;
		try {
		pkg = pp.parsePackage(tmpPackageFile, parseFlags);
		} catch (PackageParserException e) {
		res.setError("Failed parse during installPackageLI", e);
		return;
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		// Mark that we have an install time CPU ABI override.
		@@ -12142,12 +12253,15 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates");
		try {
		pp.collectCertificates(pkg, parseFlags);
		pp.collectManifestDigest(pkg);
		} catch (PackageParserException e) {
		res.setError("Failed collect during installPackageLI", e);
		return;
		} finally {
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		/* If the installer passed in a manifest digest, compare it now. */
		@@ -12929,7 +13043,7 @@ public class PackageManagerService extends IPackageManager.Stub {

		final PackageParser.Package newPkg;
		try {
		newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
		newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
		} catch (PackageManagerException e) {
		Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
		return false;
		@@ -15444,7 +15558,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		synchronized (mInstallLock) {
		PackageParser.Package pkg = null;
		try {
		pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null);
		pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null);
		} catch (PackageManagerException e) {
		Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
		}
		@@ -15590,7 +15704,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		for (PackageSetting ps : packages) {
		final PackageParser.Package pkg;
		try {
		pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null);
		pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null);
		loaded.add(pkg.applicationInfo);
		} catch (PackageManagerException e) {
		Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage());