Merge "BatteryStats: Add debug logging to narrow down slow camera launch" into... (1d7d6125) · Commits · e / os / android_frameworks_base

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

+46 −20

Original line number	Diff line number	Diff line
		@@ -149,9 +149,11 @@ public final class BatteryStatsService extends IBatteryStats.Stub

		case MSG_WRITE_TO_DISK:
		updateExternalStatsSync("write", UPDATE_ALL);
		Slog.d(TAG, "begin writeAsyncLocked");
		synchronized (mStats) {
		mStats.writeAsyncLocked();
		}
		Slog.d(TAG, "end writeAsyncLocked");
		break;
		}
		}
		@@ -191,6 +193,8 @@ public final class BatteryStatsService extends IBatteryStats.Stub

		@Override
		public String getPlatformLowPowerStats() {
		Slog.d(TAG, "begin getPlatformLowPowerStats");
		try {
		mUtf8BufferStat.clear();
		mUtf16BufferStat.clear();
		mDecoderStat.reset();
		@@ -204,6 +208,9 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		mDecoderStat.decode(mUtf8BufferStat, mUtf16BufferStat, true);
		mUtf16BufferStat.flip();
		return mUtf16BufferStat.toString();
		} finally {
		Slog.d(TAG, "end getPlatformLowPowerStats");
		}
		}

		BatteryStatsService(File systemDir, Handler handler) {
		@@ -551,9 +558,11 @@ public final class BatteryStatsService extends IBatteryStats.Stub

		public void noteScreenState(int state) {
		enforceCallingPermission();
		Slog.d(TAG, "begin noteScreenState");
		synchronized (mStats) {
		mStats.noteScreenStateLocked(state);
		}
		Slog.d(TAG, "end noteScreenState");
		}

		public void noteScreenBrightness(int brightness) {
		@@ -706,9 +715,11 @@ public final class BatteryStatsService extends IBatteryStats.Stub

		public void noteStartCamera(int uid) {
		enforceCallingPermission();
		Slog.d(TAG, "begin noteStartCamera");
		synchronized (mStats) {
		mStats.noteCameraOnLocked(uid);
		}
		Slog.d(TAG, "end noteStartCamera");
		}

		public void noteStopCamera(int uid) {
		@@ -1009,24 +1020,32 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		Slog.d(TAG, "begin setBatteryStateLocked");
		try {
		synchronized (mStats) {
		final boolean onBattery = plugType == BatteryStatsImpl.BATTERY_PLUGGED_NONE;
		if (mStats.isOnBattery() == onBattery) {
		// The battery state has not changed, so we don't need to sync external
		// stats immediately.
		mStats.setBatteryStateLocked(status, health, plugType, level, temp, volt,
		mStats.setBatteryStateLocked(status, health, plugType, level, temp,
		volt,
		chargeUAh, chargeFullUAh);
		return;
		}
		}
		} finally {
		Slog.d(TAG, "end setBatteryStateLocked");
		}

		// Sync external stats first as the battery has changed states. If we don't sync
		// immediately here, we may not collect the relevant data later.
		updateExternalStatsSync("battery-state", BatteryStatsImpl.ExternalStatsSync.UPDATE_ALL);
		Slog.d(TAG, "begin setBatteryStateLocked");
		synchronized (mStats) {
		mStats.setBatteryStateLocked(status, health, plugType, level, temp, volt,
		chargeUAh, chargeFullUAh);
		}
		Slog.d(TAG, "end setBatteryStateLocked");
		}
		});
		}
		@@ -1326,19 +1345,23 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		}
		}
		}
		Slog.d(TAG, "begin dumpCheckinLocked from UID " + Binder.getCallingUid());
		synchronized (mStats) {
		mStats.dumpCheckinLocked(mContext, pw, apps, flags, historyStart);
		if (writeData) {
		mStats.writeAsyncLocked();
		}
		}
		Slog.d(TAG, "end dumpCheckinLocked");
		} else {
		Slog.d(TAG, "begin dumpLocked from UID " + Binder.getCallingUid());
		synchronized (mStats) {
		mStats.dumpLocked(mContext, pw, flags, reqUid, historyStart);
		if (writeData) {
		mStats.writeAsyncLocked();
		}
		}
		Slog.d(TAG, "end dumpLocked");
		}
		}

		@@ -1460,9 +1483,11 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		SynchronousResultReceiver bluetoothReceiver = null;
		SynchronousResultReceiver modemReceiver = null;

		Slog.d(TAG, "begin updateExternalStatsSync reason=" + reason);
		synchronized (mExternalStatsLock) {
		if (mContext == null) {
		// Don't do any work yet.
		Slog.d(TAG, "end updateExternalStatsSync");
		return;
		}

		@@ -1559,6 +1584,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		}
		}
		}
		Slog.d(TAG, "end updateExternalStatsSync");
		}

		/**