Add some debugging for device idle alarms. (ae78bf85) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/AlarmManagerService.java

+86 −0

Original line number	Diff line number	Diff line
		@@ -95,6 +95,7 @@ class AlarmManagerService extends SystemService {
		static final boolean DEBUG_VALIDATE = localLOGV \|\| false;
		static final boolean DEBUG_ALARM_CLOCK = localLOGV \|\| false;
		static final boolean RECORD_ALARMS_IN_HISTORY = true;
		static final boolean RECORD_DEVICE_IDLE_ALARMS = false;
		static final int ALARM_EVENT = 1;
		static final String TIMEZONE_PROPERTY = "persist.sys.timezone";

		@@ -144,6 +145,16 @@ class AlarmManagerService extends SystemService {
		*/
		final SparseLongArray mLastAllowWhileIdleDispatch = new SparseLongArray();

		final static class IdleDispatchEntry {
		int uid;
		String pkg;
		String tag;
		String op;
		long elapsedRealtime;
		long argRealtime;
		}
		final ArrayList<IdleDispatchEntry> mAllowWhileIdleDispatches = new ArrayList();

		/**
		* Broadcast options to use for FLAG_ALLOW_WHILE_IDLE.
		*/
		@@ -700,6 +711,14 @@ class AlarmManagerService extends SystemService {
		}

		void restorePendingWhileIdleAlarmsLocked() {
		if (RECORD_DEVICE_IDLE_ALARMS) {
		IdleDispatchEntry ent = new IdleDispatchEntry();
		ent.uid = 0;
		ent.pkg = "FINISH IDLE";
		ent.elapsedRealtime = SystemClock.elapsedRealtime();
		mAllowWhileIdleDispatches.add(ent);
		}

		// Bring pending alarms back into the main list.
		if (mPendingWhileIdleAlarms.size() > 0) {
		ArrayList<Alarm> alarms = mPendingWhileIdleAlarms;
		@@ -1006,6 +1025,19 @@ class AlarmManagerService extends SystemService {
		}
		}

		if (RECORD_DEVICE_IDLE_ALARMS) {
		if ((a.flags & AlarmManager.FLAG_ALLOW_WHILE_IDLE) != 0) {
		IdleDispatchEntry ent = new IdleDispatchEntry();
		ent.uid = a.uid;
		ent.pkg = a.operation.getCreatorPackage();
		ent.tag = a.operation.getTag("");
		ent.op = "SET";
		ent.elapsedRealtime = SystemClock.elapsedRealtime();
		ent.argRealtime = a.whenElapsed;
		mAllowWhileIdleDispatches.add(ent);
		}
		}

		int whichBatch = ((a.flags&AlarmManager.FLAG_STANDALONE) != 0)
		? -1 : attemptCoalesceLocked(a.whenElapsed, a.maxWhenElapsed);
		if (whichBatch < 0) {
		@@ -1028,6 +1060,15 @@ class AlarmManagerService extends SystemService {
		boolean needRebatch = false;

		if ((a.flags&AlarmManager.FLAG_IDLE_UNTIL) != 0) {
		if (RECORD_DEVICE_IDLE_ALARMS) {
		if (mPendingIdleUntil == null) {
		IdleDispatchEntry ent = new IdleDispatchEntry();
		ent.uid = 0;
		ent.pkg = "START IDLE";
		ent.elapsedRealtime = SystemClock.elapsedRealtime();
		mAllowWhileIdleDispatches.add(ent);
		}
		}
		mPendingIdleUntil = a;
		mConstants.updateAllowWhileIdleMinTimeLocked();
		needRebatch = true;
		@@ -1400,6 +1441,32 @@ class AlarmManagerService extends SystemService {
		}
		}

		if (RECORD_DEVICE_IDLE_ALARMS) {
		pw.println();
		pw.println(" Allow while idle dispatches:");
		for (int i = 0; i < mAllowWhileIdleDispatches.size(); i++) {
		IdleDispatchEntry ent = mAllowWhileIdleDispatches.get(i);
		pw.print(" ");
		TimeUtils.formatDuration(ent.elapsedRealtime, nowELAPSED, pw);
		pw.print(": ");
		UserHandle.formatUid(pw, ent.uid);
		pw.print(":");
		pw.println(ent.pkg);
		if (ent.op != null) {
		pw.print(" ");
		pw.print(ent.op);
		pw.print(" / ");
		pw.print(ent.tag);
		if (ent.argRealtime != 0) {
		pw.print(" (");
		TimeUtils.formatDuration(ent.argRealtime, nowELAPSED, pw);
		pw.print(")");
		}
		pw.println();
		}
		}
		}

		if (WAKEUP_STATS) {
		pw.println();
		pw.println(" Recent Wakeup History:");
		@@ -1862,6 +1929,16 @@ class AlarmManagerService extends SystemService {
		if (alarm.maxWhenElapsed < minTime) {
		alarm.maxWhenElapsed = minTime;
		}
		if (RECORD_DEVICE_IDLE_ALARMS) {
		IdleDispatchEntry ent = new IdleDispatchEntry();
		ent.uid = alarm.uid;
		ent.pkg = alarm.operation.getCreatorPackage();
		ent.tag = alarm.operation.getTag("");
		ent.op = "RESCHEDULE";
		ent.elapsedRealtime = nowELAPSED;
		ent.argRealtime = lastTime;
		mAllowWhileIdleDispatches.add(ent);
		}
		setImplLocked(alarm, true, false);
		continue;
		}
		@@ -2130,6 +2207,15 @@ class AlarmManagerService extends SystemService {
		if (allowWhileIdle) {
		// Record the last time this uid handled an ALLOW_WHILE_IDLE alarm.
		mLastAllowWhileIdleDispatch.put(alarm.uid, nowELAPSED);
		if (RECORD_DEVICE_IDLE_ALARMS) {
		IdleDispatchEntry ent = new IdleDispatchEntry();
		ent.uid = alarm.uid;
		ent.pkg = alarm.operation.getCreatorPackage();
		ent.tag = alarm.operation.getTag("");
		ent.op = "DELIVER";
		ent.elapsedRealtime = nowELAPSED;
		mAllowWhileIdleDispatches.add(ent);
		}
		}

		final BroadcastStats bs = inflight.mBroadcastStats;