And yet more logging for slow execution. (36927a36) · Commits · e / os / android_frameworks_base

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

+37 −19

Original line number	Diff line number	Diff line
		@@ -1107,12 +1107,7 @@ public final class ActivityManagerService extends ActivityManagerNative

		final ActivityThread mSystemThread;

		// Holds the current foreground user's id
		int mCurrentUserId = 0;
		// Holds the target user's id during a user switch
		int mTargetUserId = UserHandle.USER_NULL;
		// If there are multiple profiles for the current user, their ids are here
		// Currently only the primary user can have managed profiles
		int[] mCurrentProfileIds = new int[] {UserHandle.USER_OWNER}; // Accessed by ActivityStack

		/**
		@@ -2903,9 +2898,11 @@ public final class ActivityManagerService extends ActivityManagerNative
		boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName,
		boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge,
		String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler) {
		long startTime = SystemClock.elapsedRealtime();
		ProcessRecord app;
		if (!isolated) {
		app = getProcessRecordLocked(processName, info.uid, keepIfLarge);
		checkTime(startTime, "startProcess: after getProcessRecord");
		} else {
		// If this is an isolated process, it can't re-use an existing process.
		app = null;
		@@ -2927,14 +2924,17 @@ public final class ActivityManagerService extends ActivityManagerNative
		if (DEBUG_PROCESSES) Slog.v(TAG, "App already running: " + app);
		// If this is a new package in the process, add the package to the list
		app.addPackage(info.packageName, info.versionCode, mProcessStats);
		checkTime(startTime, "startProcess: done, added package to proc");
		return app;
		}

		// An application record is attached to a previous process,
		// clean it up now.
		if (DEBUG_PROCESSES \|\| DEBUG_CLEANUP) Slog.v(TAG, "App died: " + app);
		checkTime(startTime, "startProcess: bad proc running, killing");
		Process.killProcessGroup(app.info.uid, app.pid);
		handleAppDiedLocked(app, true, true);
		checkTime(startTime, "startProcess: done killing old proc");
		}

		String hostingNameStr = hostingName != null
		@@ -2970,6 +2970,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		}

		if (app == null) {
		checkTime(startTime, "startProcess: creating new process record");
		app = newProcessRecordLocked(info, processName, isolated, isolatedUid);
		app.crashHandler = crashHandler;
		if (app == null) {
		@@ -2981,9 +2982,11 @@ public final class ActivityManagerService extends ActivityManagerNative
		if (isolated) {
		mIsolatedProcesses.put(app.uid, app);
		}
		checkTime(startTime, "startProcess: done creating new process record");
		} else {
		// If this is a new package in the process, add the package to the list
		app.addPackage(info.packageName, info.versionCode, mProcessStats);
		checkTime(startTime, "startProcess: added package to existing proc");
		}

		// If the system is not ready yet, then hold off on starting this
		@@ -3000,6 +3003,7 @@ public final class ActivityManagerService extends ActivityManagerNative

		startProcessLocked(
		app, hostingType, hostingNameStr, abiOverride, entryPoint, entryPointArgs);
		checkTime(startTime, "startProcess: done starting proc!");
		return (app.pid != 0) ? app : null;
		}

		@@ -3015,11 +3019,14 @@ public final class ActivityManagerService extends ActivityManagerNative

		private final void startProcessLocked(ProcessRecord app, String hostingType,
		String hostingNameStr, String abiOverride, String entryPoint, String[] entryPointArgs) {
		long startTime = SystemClock.elapsedRealtime();
		if (app.pid > 0 && app.pid != MY_PID) {
		checkTime(startTime, "startProcess: removing from pids map");
		synchronized (mPidsSelfLocked) {
		mPidsSelfLocked.remove(app.pid);
		mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app);
		}
		checkTime(startTime, "startProcess: done removing from pids map");
		app.setPid(0);
		}

		@@ -3027,7 +3034,9 @@ public final class ActivityManagerService extends ActivityManagerNative
		"startProcessLocked removing on hold: " + app);
		mProcessesOnHold.remove(app);

		checkTime(startTime, "startProcess: starting to update cpu stats");
		updateCpuStats();
		checkTime(startTime, "startProcess: done updating cpu stats");

		try {
		int uid = app.uid;
		@@ -3037,10 +3046,12 @@ public final class ActivityManagerService extends ActivityManagerNative
		if (!app.isolated) {
		int[] permGids = null;
		try {
		checkTime(startTime, "startProcess: getting gids from package manager");
		final PackageManager pm = mContext.getPackageManager();
		permGids = pm.getPackageGids(app.info.packageName);

		if (Environment.isExternalStorageEmulated()) {
		checkTime(startTime, "startProcess: checking external storage perm");
		if (pm.checkPermission(
		android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE,
		app.info.packageName) == PERMISSION_GRANTED) {
		@@ -3066,6 +3077,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		gids[0] = UserHandle.getSharedAppGid(UserHandle.getAppId(uid));
		gids[1] = UserHandle.getUserGid(UserHandle.getUserId(uid));
		}
		checkTime(startTime, "startProcess: building args");
		if (mFactoryTest != FactoryTest.FACTORY_TEST_OFF) {
		if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL
		&& mTopComponent != null
		@@ -3109,14 +3121,18 @@ public final class ActivityManagerService extends ActivityManagerNative
		// the PID of the new process, or else throw a RuntimeException.
		boolean isActivityProcess = (entryPoint == null);
		if (entryPoint == null) entryPoint = "android.app.ActivityThread";
		checkTime(startTime, "startProcess: asking zygote to start proc");
		Process.ProcessStartResult startResult = Process.start(entryPoint,
		app.processName, uid, uid, gids, debugFlags, mountExternal,
		app.info.targetSdkVersion, app.info.seinfo, requiredAbi, entryPointArgs);
		checkTime(startTime, "startProcess: returned from zygote!");

		checkTime(startTime, "startProcess: noting battery stats update");
		if (app.isolated) {
		mBatteryStatsService.addIsolatedUid(app.uid, app.info.uid);
		}
		mBatteryStatsService.noteProcessStart(app.processName, app.info.uid);
		checkTime(startTime, "startProcess: done updating battery stats");

		EventLog.writeEvent(EventLogTags.AM_PROC_START,
		UserHandle.getUserId(uid), startResult.pid, uid,
		@@ -3127,6 +3143,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		Watchdog.getInstance().processStarted(app.processName, startResult.pid);
		}

		checkTime(startTime, "startProcess: building log message");
		StringBuilder buf = mStringBuilder;
		buf.setLength(0);
		buf.append("Start proc ");
		@@ -3164,6 +3181,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		app.usingWrapper = startResult.usingWrapper;
		app.removed = false;
		app.killedByAm = false;
		checkTime(startTime, "startProcess: starting to update pids map");
		synchronized (mPidsSelfLocked) {
		this.mPidsSelfLocked.put(startResult.pid, app);
		if (isActivityProcess) {
		@@ -3173,6 +3191,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT);
		}
		}
		checkTime(startTime, "startProcess: done updating pids map");
		} catch (RuntimeException e) {
		// XXX do better error recovery.
		app.setPid(0);
		@@ -10277,13 +10296,13 @@ public final class ActivityManagerService extends ActivityManagerNative
		if (r == null) {
		return false;
		}
		final boolean translucentChanged = r.changeWindowTranslucency(true);
		if (translucentChanged) {
		if (r.changeWindowTranslucency(true)) {
		mWindowManager.setAppFullscreen(token, true);
		r.task.stack.releaseBackgroundResources();
		mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
		return true;
		}
		mWindowManager.setAppFullscreen(token, true);
		return translucentChanged;
		return false;
		}
		} finally {
		Binder.restoreCallingIdentity(origId);
		@@ -10304,13 +10323,15 @@ public final class ActivityManagerService extends ActivityManagerNative
		ActivityRecord under = r.task.mActivities.get(index - 1);
		under.returningOptions = options;
		}
		final boolean translucentChanged = r.changeWindowTranslucency(false);
		if (translucentChanged) {
		if (r.changeWindowTranslucency(false)) {
		r.task.stack.convertToTranslucent(r);
		mWindowManager.setAppFullscreen(token, false);
		mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
		return true;
		} else {
		mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
		return false;
		}
		mWindowManager.setAppFullscreen(token, false);
		return translucentChanged;
		}
		} finally {
		Binder.restoreCallingIdentity(origId);
		@@ -17940,7 +17961,6 @@ public final class ActivityManagerService extends ActivityManagerNative
		return false;
		}
		userName = userInfo.name;
		mTargetUserId = userId;
		}
		mHandler.removeMessages(START_USER_SWITCH_MSG);
		mHandler.sendMessage(mHandler.obtainMessage(START_USER_SWITCH_MSG, userId, 0, userName));
		@@ -18008,7 +18028,6 @@ public final class ActivityManagerService extends ActivityManagerNative

		if (foreground) {
		mCurrentUserId = userId;
		mTargetUserId = UserHandle.USER_NULL; // reset, mCurrentUserId has caught up
		updateCurrentProfileIdsLocked();
		mWindowManager.setCurrentUser(userId, mCurrentProfileIds);
		// Once the internal notion of the active user has switched, we lock the device
		@@ -18376,7 +18395,7 @@ public final class ActivityManagerService extends ActivityManagerNative

		private int stopUserLocked(final int userId, final IStopUserCallback callback) {
		if (DEBUG_MU) Slog.i(TAG_MU, "stopUserLocked userId=" + userId);
		if (mCurrentUserId == userId && mTargetUserId == UserHandle.USER_NULL) {
		if (mCurrentUserId == userId) {
		return ActivityManager.USER_OP_IS_CURRENT;
		}

		@@ -18516,13 +18535,12 @@ public final class ActivityManagerService extends ActivityManagerNative
		throw new SecurityException(msg);
		}
		synchronized (this) {
		int userId = mTargetUserId != UserHandle.USER_NULL ? mTargetUserId : mCurrentUserId;
		return getUserManagerLocked().getUserInfo(userId);
		return getUserManagerLocked().getUserInfo(mCurrentUserId);
		}
		}

		int getCurrentUserIdLocked() {
		return mTargetUserId != UserHandle.USER_NULL ? mTargetUserId : mCurrentUserId;
		return mCurrentUserId;
		}

		@Override