Log window mode to tron. (77d9448e) · Commits · e / os / android_frameworks_base

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

+7 −0

Original line number	Diff line number	Diff line
		@@ -1434,6 +1434,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		static final int CONTENT_PROVIDER_PUBLISH_TIMEOUT_MSG = 59;
		static final int IDLE_UIDS_MSG = 60;
		static final int SYSTEM_USER_UNLOCK_MSG = 61;
		static final int LOG_STACK_STATE = 62;

		static final int FIRST_ACTIVITY_STACK_MSG = 100;
		static final int FIRST_BROADCAST_QUEUE_MSG = 200;
		@@ -2143,6 +2144,11 @@ public final class ActivityManagerService extends ActivityManagerNative
		case IDLE_UIDS_MSG: {
		idleUids();
		} break;
		case LOG_STACK_STATE: {
		synchronized (ActivityManagerService.this) {
		mStackSupervisor.logStackState();
		}
		} break;
		}
		}
		};
		@@ -10902,6 +10908,7 @@ public final class ActivityManagerService extends ActivityManagerNative

		/** Notifies all listeners when the task stack has changed. */
		void notifyTaskStackChangedLocked() {
		mHandler.sendEmptyMessage(LOG_STACK_STATE);
		mHandler.removeMessages(NOTIFY_TASK_STACK_CHANGE_LISTENERS_MSG);
		Message nmsg = mHandler.obtainMessage(NOTIFY_TASK_STACK_CHANGE_LISTENERS_MSG);
		mHandler.sendMessageDelayed(nmsg, NOTIFY_TASK_STACK_CHANGE_LISTENERS_DELAY);

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

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		package com.android.server.am;

		import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
		import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
		import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
		import static android.app.ActivityManager.StackId.HOME_STACK_ID;

		import android.app.ActivityManager.StackId;
		import android.content.Context;
		import android.os.SystemClock;

		import com.android.internal.logging.MetricsLogger;

		/**
		* Handles logging into Tron.
		*/
		class ActivityMetricsLogger {
		// Window modes we are interested in logging. If we ever introduce a new type, we need to add
		// a value here and increase the {@link #TRON_WINDOW_STATE_VARZ_STRINGS} array.
		private static final int WINDOW_STATE_STANDARD = 0;
		private static final int WINDOW_STATE_SIDE_BY_SIDE = 1;
		private static final int WINDOW_STATE_FREEFORM = 2;
		private static final int WINDOW_STATE_INVALID = -1;

		// Preallocated strings we are sending to tron, so we don't have to allocate a new one every
		// time we log.
		private static final String[] TRON_WINDOW_STATE_VARZ_STRINGS = {
		"tron_varz_window_time_0", "tron_varz_window_time_1", "tron_varz_window_time_2"};

		private int mWindowState = WINDOW_STATE_STANDARD;
		private long mLastLogTimeSecs;
		private final ActivityStackSupervisor mSupervisor;
		private final Context mContext;

		ActivityMetricsLogger(ActivityStackSupervisor supervisor, Context context) {
		mLastLogTimeSecs = SystemClock.elapsedRealtime() / 1000;
		mSupervisor = supervisor;
		mContext = context;
		}

		void logWindowState() {
		final long now = SystemClock.elapsedRealtime() / 1000;
		if (mWindowState != WINDOW_STATE_INVALID) {
		// We log even if the window state hasn't changed, because the user might remain in
		// home/fullscreen move forever and we would like to track this kind of behavior
		// too.
		MetricsLogger.count(mContext, TRON_WINDOW_STATE_VARZ_STRINGS[mWindowState],
		(int) (now - mLastLogTimeSecs));
		}
		mLastLogTimeSecs = now;

		mWindowState = WINDOW_STATE_INVALID;
		ActivityStack stack = mSupervisor.getStack(DOCKED_STACK_ID);
		if (stack != null && stack.isStackVisibleLocked()) {
		mWindowState = WINDOW_STATE_SIDE_BY_SIDE;
		}
		if (mWindowState == WINDOW_STATE_INVALID) {
		stack = mSupervisor.getFocusedStack();
		if (stack.mStackId == HOME_STACK_ID
		\|\| stack.mStackId == FULLSCREEN_WORKSPACE_STACK_ID) {
		mWindowState = WINDOW_STATE_STANDARD;
		} else if (stack.mStackId == DOCKED_STACK_ID) {
		throw new IllegalStateException("Docked stack shouldn't be the focused stack, "
		+ "because it reported not being visible.");
		} else if (stack.mStackId == FREEFORM_WORKSPACE_STACK_ID) {
		mWindowState = WINDOW_STATE_FREEFORM;
		} else if (StackId.isStaticStack(stack.mStackId)) {
		throw new IllegalStateException("Unknown stack=" + stack);
		}
		}
		}
		}

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -1334,7 +1334,7 @@ final class ActivityStack {
		}

		/** Returns true if the stack is considered visible. */
		private boolean isStackVisibleLocked() {
		boolean isStackVisibleLocked() {
		if (!isAttached()) {
		return false;
		}

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

+8 −6

Original line number	Diff line number	Diff line
		@@ -34,7 +34,6 @@ import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME;
		import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS;
		import static android.content.pm.PackageManager.PERMISSION_GRANTED;
		import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
		import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
		import static com.android.server.am.ActivityManagerDebugConfig.*;
		import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG;
		import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
		@@ -76,7 +75,6 @@ import android.content.pm.ActivityInfo;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.PackageManagerInternal;
		import android.content.pm.ResolveInfo;
		import android.content.pm.UserInfo;
		import android.content.res.Configuration;
		@@ -107,7 +105,6 @@ import android.os.TransactionTooLargeException;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.os.WorkSource;
		import android.os.storage.StorageManager;
		import android.provider.MediaStore;
		import android.provider.Settings;
		import android.provider.Settings.SettingNotFoundException;
		@@ -123,13 +120,11 @@ import android.view.Display;
		import android.view.DisplayInfo;
		import android.view.InputEvent;
		import android.view.Surface;
		import android.widget.Toast;

		import com.android.internal.app.HeavyWeightSwitcherActivity;
		import com.android.internal.app.IVoiceInteractor;
		import com.android.internal.content.ReferrerIntent;
		import com.android.internal.os.TransferPipe;
		import com.android.internal.R;
		import com.android.internal.statusbar.IStatusBarService;
		import com.android.internal.util.ArrayUtils;
		import com.android.internal.widget.LockPatternUtils;
		@@ -374,6 +369,8 @@ public final class ActivityStackSupervisor implements DisplayListener {
		// Whether tasks have moved and we need to rank the tasks before next OOM scoring
		private boolean mTaskLayersChanged = true;

		private final ActivityMetricsLogger mActivityMetricsLogger;

		/**
		* Description of a request to start a new activity, which has been held
		* due to app switches being disabled.
		@@ -410,6 +407,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		mService = service;
		mRecentTasks = recentTasks;
		mHandler = new ActivityStackSupervisorHandler(mService.mHandler.getLooper());
		mActivityMetricsLogger = new ActivityMetricsLogger(this, mService.mContext);
		}

		/**
		@@ -4521,6 +4519,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
		return mLockTaskModeState;
		}

		void logStackState() {
		mActivityMetricsLogger.logWindowState();
		}

		private final class ActivityStackSupervisorHandler extends Handler {

		public ActivityStackSupervisorHandler(Looper looper) {