Track camera and flashlight usage in battery stats. (6d2c363f) · Commits · e / os / android_frameworks_base

core/java/android/os/BatteryStats.java

+114 −67

Original line number	Diff line number	Diff line
		@@ -131,6 +131,16 @@ public abstract class BatteryStats implements Parcelable {
		*/
		public static final int AUDIO_TURNED_ON = 15;

		/**
		* A constant indicating a flashlight turn on timer
		*/
		public static final int FLASHLIGHT_TURNED_ON = 16;

		/**
		* A constant indicating a camera turn on timer
		*/
		public static final int CAMERA_TURNED_ON = 17;

		/**
		* Include all of the data in the stats, including previously saved data.
		*/
		@@ -208,6 +218,10 @@ public abstract class BatteryStats implements Parcelable {
		private static final String CHARGE_STEP_DATA = "csd";
		private static final String DISCHARGE_TIME_REMAIN_DATA = "dtr";
		private static final String CHARGE_TIME_REMAIN_DATA = "ctr";
		private static final String FLASHLIGHT_DATA = "fla";
		private static final String CAMERA_DATA = "cam";
		private static final String VIDEO_DATA = "vid";
		private static final String AUDIO_DATA = "aud";

		private final StringBuilder mFormatBuilder = new StringBuilder(32);
		private final Formatter mFormatter = new Formatter(mFormatBuilder);
		@@ -381,8 +395,10 @@ public abstract class BatteryStats implements Parcelable {
		public abstract long getWifiBatchedScanTime(int csphBin, long elapsedRealtimeUs, int which);
		public abstract int getWifiBatchedScanCount(int csphBin, int which);
		public abstract long getWifiMulticastTime(long elapsedRealtimeUs, int which);
		public abstract long getAudioTurnedOnTime(long elapsedRealtimeUs, int which);
		public abstract long getVideoTurnedOnTime(long elapsedRealtimeUs, int which);
		public abstract Timer getAudioTurnedOnTimer();
		public abstract Timer getVideoTurnedOnTimer();
		public abstract Timer getFlashlightTurnedOnTimer();
		public abstract Timer getCameraTurnedOnTimer();
		public abstract Timer getForegroundActivityTimer();

		// Time this uid has any processes in foreground state.
		@@ -1106,6 +1122,7 @@ public abstract class BatteryStats implements Parcelable {
		public static final int STATE2_CHARGING_FLAG = 1<<25;
		public static final int STATE2_PHONE_IN_CALL_FLAG = 1<<24;
		public static final int STATE2_BLUETOOTH_ON_FLAG = 1<<23;
		public static final int STATE2_CAMERA_FLAG = 1<<22;

		public static final int MOST_INTERESTING_STATES2 =
		STATE2_POWER_SAVE_FLAG \| STATE2_WIFI_ON_FLAG \| STATE2_DEVICE_IDLE_FLAG
		@@ -1813,6 +1830,7 @@ public abstract class BatteryStats implements Parcelable {
		new BitDescription(HistoryItem.STATE2_WIFI_SUPPL_STATE_MASK,
		HistoryItem.STATE2_WIFI_SUPPL_STATE_SHIFT, "wifi_suppl", "Wsp",
		WIFI_SUPPL_STATE_NAMES, WIFI_SUPPL_STATE_SHORT_NAMES),
		new BitDescription(HistoryItem.STATE2_CAMERA_FLAG, "camera", "ca"),
		};

		public static final String[] HISTORY_EVENT_NAMES = new String[] {
		@@ -2338,6 +2356,40 @@ public abstract class BatteryStats implements Parcelable {
		return linePrefix;
		}

		/**
		*
		* @param pw a PrintWriter object to print to.
		* @param sb a StringBuilder object.
		* @param timer a Timer object contining the wakelock times.
		* @param rawRealtime the current on-battery time in microseconds.
		* @param which which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT.
		* @param prefix a String to be prepended to each line of output.
		* @param type the name of the timer.
		*/
		private static final boolean printTimer(PrintWriter pw, StringBuilder sb, Timer timer,
		long rawRealtime, int which, String prefix, String type) {
		if (timer != null) {
		// Convert from microseconds to milliseconds with rounding
		final long totalTime = (timer.getTotalTimeLocked(
		rawRealtime, which) + 500) / 1000;
		final int count = timer.getCountLocked(which);
		if (totalTime != 0) {
		sb.setLength(0);
		sb.append(prefix);
		sb.append(" ");
		sb.append(type);
		sb.append(": ");
		formatTimeMs(sb, totalTime);
		sb.append("realtime (");
		sb.append(count);
		sb.append(" times)");
		pw.println(sb.toString());
		return true;
		}
		}
		return false;
		}

		/**
		* Checkin version of wakelock printer. Prints simple comma-separated list.
		*
		@@ -2375,9 +2427,12 @@ public abstract class BatteryStats implements Parcelable {
		*/
		private static final void dumpLine(PrintWriter pw, int uid, String category, String type,
		Object... args ) {
		pw.print(BATTERY_STATS_CHECKIN_VERSION); pw.print(',');
		pw.print(uid); pw.print(',');
		pw.print(category); pw.print(',');
		pw.print(BATTERY_STATS_CHECKIN_VERSION);
		pw.print(',');
		pw.print(uid);
		pw.print(',');
		pw.print(category);
		pw.print(',');
		pw.print(type);

		for (Object arg : args) {
		@@ -2387,6 +2442,30 @@ public abstract class BatteryStats implements Parcelable {
		pw.println();
		}

		/**
		* Dump a given timer stat for terse checkin mode.
		*
		* @param pw the PageWriter to dump log to
		* @param uid the UID to log
		* @param category category of data (e.g. "total", "last", "unplugged", "current" )
		* @param type type of data (e.g. "wakelock", "sensor", "process", "apk" , "process", "network")
		* @param timer a {@link Timer} to dump stats for
		* @param rawRealtime the current elapsed realtime of the system in microseconds
		* @param which one of STATS_SINCE_CHARGED, STATS_SINCE_UNPLUGGED, or STATS_CURRENT
		*/
		private static final void dumpTimer(PrintWriter pw, int uid, String category, String type,
		Timer timer, long rawRealtime, int which) {
		if (timer != null) {
		// Convert from microseconds to milliseconds with rounding
		final long totalTime = (timer.getTotalTimeLocked(rawRealtime, which) + 500)
		/ 1000;
		final int count = timer.getCountLocked(which);
		if (totalTime != 0) {
		dumpLine(pw, uid, category, type, totalTime, count);
		}
		}
		}

		/**
		* Temporary for settings.
		*/
		@@ -2764,6 +2843,15 @@ public abstract class BatteryStats implements Parcelable {
		}
		}

		dumpTimer(pw, uid, category, FLASHLIGHT_DATA, u.getFlashlightTurnedOnTimer(),
		rawRealtime, which);
		dumpTimer(pw, uid, category, CAMERA_DATA, u.getCameraTurnedOnTimer(),
		rawRealtime, which);
		dumpTimer(pw, uid, category, VIDEO_DATA, u.getVideoTurnedOnTimer(),
		rawRealtime, which);
		dumpTimer(pw, uid, category, AUDIO_DATA, u.getAudioTurnedOnTimer(),
		rawRealtime, which);

		final SparseArray<? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
		final int NSE = sensors.size();
		for (int ise=0; ise<NSE; ise++) {
		@@ -2781,27 +2869,11 @@ public abstract class BatteryStats implements Parcelable {
		}
		}

		final Timer vibTimer = u.getVibratorOnTimer();
		if (vibTimer != null) {
		// Convert from microseconds to milliseconds with rounding
		final long totalTime = (vibTimer.getTotalTimeLocked(rawRealtime, which) + 500)
		/ 1000;
		final int count = vibTimer.getCountLocked(which);
		if (totalTime != 0) {
		dumpLine(pw, uid, category, VIBRATOR_DATA, totalTime, count);
		}
		}
		dumpTimer(pw, uid, category, VIBRATOR_DATA, u.getVibratorOnTimer(),
		rawRealtime, which);

		final Timer fgTimer = u.getForegroundActivityTimer();
		if (fgTimer != null) {
		// Convert from microseconds to milliseconds with rounding
		final long totalTime = (fgTimer.getTotalTimeLocked(rawRealtime, which) + 500)
		/ 1000;
		final int count = fgTimer.getCountLocked(which);
		if (totalTime != 0) {
		dumpLine(pw, uid, category, FOREGROUND_DATA, totalTime, count);
		}
		}
		dumpTimer(pw, uid, category, FOREGROUND_DATA, u.getForegroundActivityTimer(),
		rawRealtime, which);

		final Object[] stateTimes = new Object[Uid.NUM_PROCESS_STATE];
		long totalStateTime = 0;
		@@ -3788,6 +3860,15 @@ public abstract class BatteryStats implements Parcelable {
		uidActivity = true;
		}

		uidActivity \|= printTimer(pw, sb, u.getFlashlightTurnedOnTimer(), rawRealtime, which,
		prefix, "Flashlight");
		uidActivity \|= printTimer(pw, sb, u.getCameraTurnedOnTimer(), rawRealtime, which,
		prefix, "Camera");
		uidActivity \|= printTimer(pw, sb, u.getVideoTurnedOnTimer(), rawRealtime, which,
		prefix, "Video");
		uidActivity \|= printTimer(pw, sb, u.getAudioTurnedOnTimer(), rawRealtime, which,
		prefix, "Audio");

		final SparseArray<? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
		final int NSE = sensors.size();
		for (int ise=0; ise<NSE; ise++) {
		@@ -3827,44 +3908,10 @@ public abstract class BatteryStats implements Parcelable {
		uidActivity = true;
		}

		final Timer vibTimer = u.getVibratorOnTimer();
		if (vibTimer != null) {
		// Convert from microseconds to milliseconds with rounding
		final long totalTime = (vibTimer.getTotalTimeLocked(
		rawRealtime, which) + 500) / 1000;
		final int count = vibTimer.getCountLocked(which);
		//timer.logState();
		if (totalTime != 0) {
		sb.setLength(0);
		sb.append(prefix);
		sb.append(" Vibrator: ");
		formatTimeMs(sb, totalTime);
		sb.append("realtime (");
		sb.append(count);
		sb.append(" times)");
		pw.println(sb.toString());
		uidActivity = true;
		}
		}

		final Timer fgTimer = u.getForegroundActivityTimer();
		if (fgTimer != null) {
		// Convert from microseconds to milliseconds with rounding
		final long totalTime = (fgTimer.getTotalTimeLocked(rawRealtime, which) + 500)
		/ 1000;
		final int count = fgTimer.getCountLocked(which);
		if (totalTime != 0) {
		sb.setLength(0);
		sb.append(prefix);
		sb.append(" Foreground activities: ");
		formatTimeMs(sb, totalTime);
		sb.append("realtime (");
		sb.append(count);
		sb.append(" times)");
		pw.println(sb.toString());
		uidActivity = true;
		}
		}
		uidActivity \|= printTimer(pw, sb, u.getVibratorOnTimer(), rawRealtime, which, prefix,
		"Vibrator");
		uidActivity \|= printTimer(pw, sb, u.getForegroundActivityTimer(), rawRealtime, which,
		prefix, "Foreground activities");

		long totalStateTime = 0;
		for (int ips=0; ips<Uid.NUM_PROCESS_STATE; ips++) {

core/java/com/android/internal/app/IBatteryStats.aidl

+6 −2

Original line number	Diff line number	Diff line
		@@ -34,6 +34,12 @@ interface IBatteryStats {
		void noteStopAudio(int uid);
		void noteResetVideo();
		void noteResetAudio();
		void noteFlashlightOn(int uid);
		void noteFlashlightOff(int uid);
		void noteStartCamera(int uid);
		void noteStopCamera(int uid);
		void noteResetCamera();
		void noteResetFlashlight();

		// Remaining methods are only used in Java.
		byte[] getStatistics();
		@@ -72,8 +78,6 @@ interface IBatteryStats {

		void noteVibratorOn(int uid, long durationMillis);
		void noteVibratorOff(int uid);
		void noteFlashlightOn();
		void noteFlashlightOff();
		void noteStartGps(int uid);
		void noteStopGps(int uid);
		void noteScreenState(int state);

core/java/com/android/internal/os/BatteryStatsImpl.java

+221 −23

File changed.

Preview size limit exceeded, changes collapsed.

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

+32 −4

Original line number	Diff line number	Diff line
		@@ -555,17 +555,45 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		}
		}

		public void noteFlashlightOn() {
		public void noteFlashlightOn(int uid) {
		enforceCallingPermission();
		synchronized (mStats) {
		mStats.noteFlashlightOnLocked();
		mStats.noteFlashlightOnLocked(uid);
		}
		}

		public void noteFlashlightOff() {
		public void noteFlashlightOff(int uid) {
		enforceCallingPermission();
		synchronized (mStats) {
		mStats.noteFlashlightOffLocked();
		mStats.noteFlashlightOffLocked(uid);
		}
		}

		public void noteStartCamera(int uid) {
		enforceCallingPermission();
		synchronized (mStats) {
		mStats.noteCameraOnLocked(uid);
		}
		}

		public void noteStopCamera(int uid) {
		enforceCallingPermission();
		synchronized (mStats) {
		mStats.noteCameraOffLocked(uid);
		}
		}

		public void noteResetCamera() {
		enforceCallingPermission();
		synchronized (mStats) {
		mStats.noteResetCameraLocked();
		}
		}

		public void noteResetFlashlight() {
		enforceCallingPermission();
		synchronized (mStats) {
		mStats.noteResetFlashlightLocked();
		}
		}