Add event logging for tasks and stacks. (2c2549c5) · Commits · e / os / android_frameworks_base

services/java/com/android/server/EventLogTags.logtags

+12 −0

Original line number	Diff line number	Diff line
		@@ -123,6 +123,18 @@ option java_package com.android.server
		# ---------------------------
		# Out of memory for surfaces.
		31000 wm_no_surface_memory (Window\|3),(PID\|1\|5),(Operation\|3)
		# Task created.
		31001 wm_task_created (TaskId\|1\|5),(StackId\|1\|5)
		# Task moved to top (1) or bottom (0).
		31002 wm_task_moved (TaskId\|1\|5),(ToTop\|1),(Index\|1)
		# Task removed with source explanation.
		31003 wm_task_removed (TaskId\|1\|5),(Reason\|3)
		# Stack created.
		31004 wm_stack_created (StackId\|1\|5),(RelativeBoxId\|1\|5),(Position\|1),(Weight\|1\|6)
		# Home stack moved to top (1) or bottom (0).
		31005 wm_home_stack_moved (ToTop\|1)
		# Stack removed.
		31006 wm_stack_removed (StackId\|1\|5)


		# ---------------------------

services/java/com/android/server/wm/DisplayContent.java

+7 −10

Original line number	Diff line number	Diff line
		@@ -25,9 +25,11 @@ import android.app.ActivityManager.StackBoxInfo;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.os.Debug;
		import android.util.EventLog;
		import android.util.Slog;
		import android.view.Display;
		import android.view.DisplayInfo;
		import com.android.server.EventLogTags;

		import java.io.PrintWriter;
		import java.util.ArrayList;
		@@ -97,9 +99,6 @@ class DisplayContent {
		/** True when the home StackBox is at the top of mStackBoxes, false otherwise. */
		private TaskStack mHomeStack = null;

		/** Sorted most recent at top, oldest at [0]. */
		ArrayList<TaskStack> mStackHistory = new ArrayList<TaskStack>();

		/** Detect user tapping outside of current focused stack bounds .*/
		StackTapPointerEventListener mTapDetector;

		@@ -107,7 +106,7 @@ class DisplayContent {
		Region mTouchExcludeRegion = new Region();

		/** Save allocating when retrieving tasks */
		ArrayList<Task> mTaskHistory = new ArrayList<Task>();
		private ArrayList<Task> mTaskHistory = new ArrayList<Task>();

		/** Save allocating when calculating rects */
		Rect mTmpRect = new Rect();
		@@ -160,12 +159,6 @@ class DisplayContent {
		return mStackBoxes.get(0).mStack != mHomeStack;
		}

		void moveStack(TaskStack stack, boolean toTop) {
		mStackHistory.remove(stack);
		mStackHistory.add(toTop ? mStackHistory.size() : 0, stack);
		mService.moveStackWindowsLocked(this);
		}

		public boolean isPrivate() {
		return (mDisplay.getFlags() & Display.FLAG_PRIVATE) != 0;
		}
		@@ -200,6 +193,7 @@ class DisplayContent {
		}

		mTaskHistory.add(taskNdx, task);
		EventLog.writeEvent(EventLogTags.WM_TASK_MOVED, task.taskId, toTop ? 1 : 0, taskNdx);
		}

		void removeTask(Task task) {
		@@ -277,6 +271,8 @@ class DisplayContent {
		if (newStack != null) {
		layoutNeeded = true;
		}
		EventLog.writeEvent(EventLogTags.WM_STACK_CREATED, stackId, relativeStackBoxId, position,
		(int)(weight * 100 + 0.5));
		return newStack;
		}

		@@ -345,6 +341,7 @@ class DisplayContent {
		boolean moveHomeStackBox(boolean toTop) {
		if (DEBUG_STACK) Slog.d(TAG, "moveHomeStackBox: toTop=" + toTop + " Callers=" +
		Debug.getCallers(4));
		EventLog.writeEvent(EventLogTags.WM_HOME_STACK_MOVED, toTop ? 1 : 0);
		switch (mStackBoxes.size()) {
		case 0: throw new RuntimeException("moveHomeStackBox: No home StackBox!");
		case 1: return false; // Only the home StackBox exists.

services/java/com/android/server/wm/StackBox.java

+0 −4

Original line number	Diff line number	Diff line
		@@ -243,10 +243,6 @@ public class StackBox {
		/** Remove this box and propagate its sibling's content up to their parent.
		* @return The first stackId of the resulting StackBox. */
		int remove() {
		if (mStack != null) {
		if (DEBUG_STACK) Slog.i(TAG, "StackBox.remove: removing stackId=" + mStack.mStackId);
		mDisplayContent.mStackHistory.remove(mStack);
		}
		mDisplayContent.layoutNeeded = true;

		if (mParent == null) {

services/java/com/android/server/wm/Task.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,9 @@

		package com.android.server.wm;

		import android.util.EventLog;
		import com.android.server.EventLogTags;

		class Task {
		// private final String TAG = "TaskGroup";
		TaskStack mStack;
		@@ -41,6 +44,8 @@ class Task {
		boolean removeAppToken(AppWindowToken wtoken) {
		mAppTokens.remove(wtoken);
		if (mAppTokens.size() == 0) {
		EventLog.writeEvent(com.android.server.EventLogTags.WM_TASK_REMOVED, taskId,
		"removeAppToken: last token");
		mStack.removeTask(this);
		return true;
		}

services/java/com/android/server/wm/TaskStack.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -21,8 +21,10 @@ import static com.android.server.wm.WindowManagerService.TAG;

		import android.graphics.Rect;
		import android.os.Debug;
		import android.util.EventLog;
		import android.util.Slog;
		import android.util.TypedValue;
		import com.android.server.EventLogTags;

		import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID;

		@@ -45,7 +47,7 @@ public class TaskStack {

		/** The Tasks that define this stack. Oldest Tasks are at the bottom. The ordering must match
		* mTaskHistory in the ActivityStack with the same mStackId */
		private ArrayList<Task> mTasks = new ArrayList<Task>();
		private final ArrayList<Task> mTasks = new ArrayList<Task>();

		/** The StackBox this sits in. */
		StackBox mStackBox;
		@@ -70,7 +72,6 @@ public class TaskStack {
		mService = service;
		mStackId = stackId;
		mDisplayContent = displayContent;
		final int displayId = displayContent.getDisplayId();
		mDimLayer = new DimLayer(service, this);
		mAnimationBackgroundSurface = new DimLayer(service, this);
		}
		@@ -152,6 +153,7 @@ public class TaskStack {
		int remove() {
		mAnimationBackgroundSurface.destroySurface();
		mDimLayer.destroySurface();
		EventLog.writeEvent(EventLogTags.WM_STACK_REMOVED, mStackId);
		return mStackBox.remove();
		}