Merge "Attribute per Uid Modem Energy Consumption with Rx/Tx data." (cd1c0184) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/power/stats/BatteryStatsImpl.java

+241 −38

Original line number	Diff line number	Diff line
		@@ -310,6 +310,24 @@ public class BatteryStatsImpl extends BatteryStats {
		/** Container for Rail Energy Data stats. */
		private final RailStats mTmpRailStats = new RailStats();

		/**
		* Estimate UID modem power usage based on their estimated mobile radio active time.
		*/
		public static final int PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME = 1;
		/**
		* Estimate UID modem power consumption by proportionally attributing estimated Rx and Tx
		* power consumption individually.
		* ModemActivityInfo must be available.
		*/
		public static final int PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX = 2;
		@IntDef(flag = true, prefix = "PER_UID_MODEM_MODEL_", value = {
		PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME,
		PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX,
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface PerUidModemPowerModel {
		}

		/**
		* Use a queue to delay removing UIDs from {@link KernelCpuUidUserSysTimeReader},
		* {@link KernelCpuUidActiveTimeReader}, {@link KernelCpuUidClusterTimeReader},
		@@ -12038,8 +12056,7 @@ public class BatteryStatsImpl extends BatteryStats {
		}

		final SparseDoubleArray uidEstimatedConsumptionMah;
		if (consumedChargeUC > 0 && mMobileRadioPowerCalculator != null
		&& mGlobalEnergyConsumerStats != null) {
		if (consumedChargeUC > 0 && isMobileRadioEnergyConsumerSupportedLocked()) {
		mGlobalEnergyConsumerStats.updateStandardBucket(
		EnergyConsumerStats.POWER_BUCKET_MOBILE_RADIO, consumedChargeUC);
		uidEstimatedConsumptionMah = new SparseDoubleArray();
		@@ -12047,6 +12064,8 @@ public class BatteryStatsImpl extends BatteryStats {
		uidEstimatedConsumptionMah = null;
		}

		RxTxConsumption rxTxConsumption = null;
		boolean attributeWithModemActivityInfo = false;
		if (deltaInfo != null) {
		mHasModemReporting = true;
		mModemActivity.getOrCreateIdleTimeCounter()
		@@ -12092,7 +12111,11 @@ public class BatteryStatsImpl extends BatteryStats {
		mTmpRailStats.resetCellularTotalEnergyUsed();
		}

		incrementPerRatDataLocked(deltaInfo, elapsedRealtimeMs);
		rxTxConsumption = incrementPerRatDataLocked(deltaInfo, elapsedRealtimeMs);

		attributeWithModemActivityInfo = mConstants.PER_UID_MODEM_MODEL
		== PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX
		&& rxTxConsumption != null;
		}
		long totalAppRadioTimeUs = mMobileRadioActivePerAppTimer.getTimeSinceMarkLocked(
		elapsedRealtimeMs * 1000);
		@@ -12156,12 +12179,23 @@ public class BatteryStatsImpl extends BatteryStats {
		(totalAppRadioTimeUs * appPackets) / totalPackets;
		u.noteMobileRadioActiveTimeLocked(appRadioTimeUs, elapsedRealtimeMs);

		if (uidEstimatedConsumptionMah != null) {
		final double uidConsumptionMah;
		if (attributeWithModemActivityInfo) {
		// Distribute measured mobile radio charge consumption based on
		// rx/tx packets and estimated rx/tx charge consumption.
		uidConsumptionMah = smearModemActivityInfoRxTxConsumptionMah(
		rxTxConsumption, entry.getRxPackets(), entry.getTxPackets(),
		totalRxPackets, totalTxPackets);
		} else {
		// Distribute mobile radio charge consumption based on app radio
		// active time
		if (uidEstimatedConsumptionMah != null) {
		uidEstimatedConsumptionMah.incrementValue(u.getUid(),
		uidConsumptionMah =
		mMobileRadioPowerCalculator.calcPowerFromRadioActiveDurationMah(
		appRadioTimeUs / 1000));
		appRadioTimeUs / 1000);
		}
		uidEstimatedConsumptionMah.incrementValue(u.getUid(),
		uidConsumptionMah);
		}

		// Remove this app from the totals, so that we don't lose any time
		@@ -12199,13 +12233,25 @@ public class BatteryStatsImpl extends BatteryStats {
		mMobileRadioActiveUnknownCount.addCountLocked(1);
		}


		// Update the EnergyConsumerStats information.
		if (uidEstimatedConsumptionMah != null) {
		double totalEstimatedConsumptionMah = 0.0;

		if (attributeWithModemActivityInfo) {
		// Estimate inactive modem power consumption and combine with previously
		// estimated active power consumption for an estimate of total modem
		// power consumption.
		final long sleepTimeMs = deltaInfo.getSleepTimeMillis();
		final long idleTimeMs = deltaInfo.getIdleTimeMillis();
		final double inactiveConsumptionMah =
		mMobileRadioPowerCalculator.calcInactiveStatePowerMah(sleepTimeMs,
		idleTimeMs);
		totalEstimatedConsumptionMah += inactiveConsumptionMah;
		totalEstimatedConsumptionMah += rxTxConsumption.rxConsumptionMah;
		totalEstimatedConsumptionMah += rxTxConsumption.txConsumptionMah;
		} else {
		// Estimate total active radio power consumption since last mark.
		final long totalRadioTimeMs = mMobileRadioActiveTimer.getTimeSinceMarkLocked(
		final long totalRadioTimeMs =
		mMobileRadioActiveTimer.getTimeSinceMarkLocked(
		elapsedRealtimeMs * 1000) / 1000;
		mMobileRadioActiveTimer.setMark(elapsedRealtimeMs);
		totalEstimatedConsumptionMah +=
		@@ -12214,16 +12260,15 @@ public class BatteryStatsImpl extends BatteryStats {

		// Estimate idle power consumption at each signal strength level
		final int numSignalStrengthLevels = mPhoneSignalStrengthsTimer.length;
		for (int strengthLevel = 0; strengthLevel < numSignalStrengthLevels;
		strengthLevel++) {
		for (int lvl = 0; lvl < numSignalStrengthLevels; lvl++) {
		final long strengthLevelDurationMs =
		mPhoneSignalStrengthsTimer[strengthLevel].getTimeSinceMarkLocked(
		mPhoneSignalStrengthsTimer[lvl].getTimeSinceMarkLocked(
		elapsedRealtimeMs * 1000) / 1000;
		mPhoneSignalStrengthsTimer[strengthLevel].setMark(elapsedRealtimeMs);
		mPhoneSignalStrengthsTimer[lvl].setMark(elapsedRealtimeMs);

		totalEstimatedConsumptionMah +=
		mMobileRadioPowerCalculator.calcIdlePowerAtSignalStrengthMah(
		strengthLevelDurationMs, strengthLevel);
		strengthLevelDurationMs, lvl);
		}

		// Estimate total active radio power consumption since last mark.
		@@ -12232,21 +12277,51 @@ public class BatteryStatsImpl extends BatteryStats {
		mPhoneSignalScanningTimer.setMark(elapsedRealtimeMs);
		totalEstimatedConsumptionMah +=
		mMobileRadioPowerCalculator.calcScanTimePowerMah(scanTimeMs);

		}
		distributeEnergyToUidsLocked(EnergyConsumerStats.POWER_BUCKET_MOBILE_RADIO,
		consumedChargeUC, uidEstimatedConsumptionMah,
		totalEstimatedConsumptionMah, elapsedRealtimeMs);
		}
		}
		}
		}

		delta = null;
		private static class RxTxConsumption {
		public final double rxConsumptionMah;
		public final long rxDurationMs;
		public final double txConsumptionMah;
		public final long txDurationMs;

		/**
		* Represents the ratio between time spent transmitting and the total active time.
		*/
		public final double txToTotalRatio;

		RxTxConsumption(double rxMah, long rxMs, double txMah, long txMs) {
		rxConsumptionMah = rxMah;
		rxDurationMs = rxMs;
		txConsumptionMah = txMah;
		txDurationMs = txMs;

		final long activeDurationMs = txDurationMs + rxDurationMs;
		if (activeDurationMs == 0) {
		txToTotalRatio = 0.0;
		} else {
		txToTotalRatio = ((double) txDurationMs) / activeDurationMs;
		}
		}
		}

		@GuardedBy("this")
		private void incrementPerRatDataLocked(ModemActivityInfo deltaInfo, long elapsedRealtimeMs) {
		final int infoSize = deltaInfo.getSpecificInfoLength();
		@Nullable
		private RxTxConsumption incrementPerRatDataLocked(ModemActivityInfo deltaInfo,
		long elapsedRealtimeMs) {
		double rxConsumptionMah = 0.0;
		long rxDurationMs = 0;
		double txConsumptionMah = 0.0;
		long txDurationMs = 0;

		final int infoSize = deltaInfo.getSpecificInfoLength();
		if (infoSize == 1 && deltaInfo.getSpecificInfoRat(0)
		== AccessNetworkConstants.AccessNetworkType.UNKNOWN
		&& deltaInfo.getSpecificInfoFrequencyRange(0)
		@@ -12296,6 +12371,16 @@ public class BatteryStatsImpl extends BatteryStats {
		+ (totalLvlDurationMs / 2)) / totalLvlDurationMs;
		ratStats.incrementTxDuration(freq, level, proportionalTxDurationMs);
		frequencyDurationMs += durationMs;

		if (isMobileRadioEnergyConsumerSupportedLocked()) {
		// Accumulate the power cost of time spent transmitting in a
		// particular state.
		final double txStatePowerConsumptionMah =
		mMobileRadioPowerCalculator.calcTxStatePowerMah(rat, freq,
		level, proportionalTxDurationMs);
		txConsumptionMah += txStatePowerConsumptionMah;
		txDurationMs += proportionalTxDurationMs;
		}
		}
		final long totalRxDuration = deltaInfo.getReceiveTimeMillis();
		// Smear HAL provided Rx power duration based on active modem
		@@ -12305,6 +12390,16 @@ public class BatteryStatsImpl extends BatteryStats {
		(frequencyDurationMs * totalRxDuration + (totalActiveTimeMs
		/ 2)) / totalActiveTimeMs;
		ratStats.incrementRxDuration(freq, proportionalRxDurationMs);

		if (isMobileRadioEnergyConsumerSupportedLocked()) {
		// Accumulate the power cost of time spent receiving in a particular
		// state.
		final double rxStatePowerConsumptionMah =
		mMobileRadioPowerCalculator.calcRxStatePowerMah(rat, freq,
		proportionalRxDurationMs);
		rxConsumptionMah += rxStatePowerConsumptionMah;
		rxDurationMs += proportionalRxDurationMs;
		}
		}

		}
		@@ -12324,9 +12419,28 @@ public class BatteryStatsImpl extends BatteryStats {
		final int[] txTimesMs = deltaInfo.getTransmitTimeMillis(rat, freq);

		ratStats.incrementRxDuration(freq, rxTimeMs);
		if (isMobileRadioEnergyConsumerSupportedLocked()) {
		// Accumulate the power cost of time spent receiving in a particular state.
		final double rxStatePowerConsumptionMah =
		mMobileRadioPowerCalculator.calcRxStatePowerMah(ratBucket, freq,
		rxTimeMs);
		rxConsumptionMah += rxStatePowerConsumptionMah;
		rxDurationMs += rxTimeMs;
		}

		final int numTxLvl = txTimesMs.length;
		for (int lvl = 0; lvl < numTxLvl; lvl++) {
		ratStats.incrementTxDuration(freq, lvl, txTimesMs[lvl]);
		final long txTimeMs = txTimesMs[lvl];
		ratStats.incrementTxDuration(freq, lvl, txTimeMs);
		if (isMobileRadioEnergyConsumerSupportedLocked()) {
		// Accumulate the power cost of time spent transmitting in a particular
		// state.
		final double txStatePowerConsumptionMah =
		mMobileRadioPowerCalculator.calcTxStatePowerMah(ratBucket, freq,
		lvl, txTimeMs);
		txConsumptionMah += txStatePowerConsumptionMah;
		txDurationMs += txTimeMs;
		}
		}
		}
		}
		@@ -12336,6 +12450,45 @@ public class BatteryStatsImpl extends BatteryStats {
		if (ratStats == null) continue;
		ratStats.setMark(elapsedRealtimeMs);
		}

		if (isMobileRadioEnergyConsumerSupportedLocked()) {
		return new RxTxConsumption(rxConsumptionMah, rxDurationMs, txConsumptionMah,
		txDurationMs);
		} else {
		return null;
		}
		}

		/**
		* Smear modem Rx/Tx power consumption calculated from {@link ModemActivityInfo} using Rx/Tx
		* packets.
		*
		* @return the combine Rx/Tx smeared power consumption in milliamp-hours.
		*/
		private double smearModemActivityInfoRxTxConsumptionMah(RxTxConsumption rxTxConsumption,
		long rxPackets, long txPackets, long totalRxPackets, long totalTxPackets) {
		// Distribute measured mobile radio charge consumption based on
		// rx/tx packets and estimated rx/tx charge consumption.
		double consumptionMah = 0.0;
		if (totalRxPackets != 0) {
		// Proportionally distribute receive battery consumption.
		consumptionMah += rxTxConsumption.rxConsumptionMah * rxPackets
		/ totalRxPackets;
		}
		if (totalTxPackets != 0 \|\| (totalRxPackets != 0 && rxTxConsumption.txToTotalRatio != 0.0)) {
		// ModemActivityInfo Tx time represents time spent both transmitting and receiving.
		// There is currently no way to distinguish how many Rx packets were received during
		// Rx time vs Tx time.
		// Assumption: The number of packets received while transmitting is proportional
		// to the time spent transmitting over total active time.
		final double totalPacketsDuringTxTime =
		totalTxPackets + rxTxConsumption.txToTotalRatio * totalRxPackets;
		final double packetsDuringTxTime =
		txPackets + rxTxConsumption.txToTotalRatio * rxPackets;
		consumptionMah += rxTxConsumption.txConsumptionMah * packetsDuringTxTime
		/ totalPacketsDuringTxTime;
		}
		return consumptionMah;
		}

		/**
		@@ -14844,6 +14997,13 @@ public class BatteryStatsImpl extends BatteryStats {
		}
		}

		@GuardedBy("this")
		private boolean isMobileRadioEnergyConsumerSupportedLocked() {
		if (mGlobalEnergyConsumerStats == null) return false;
		return mGlobalEnergyConsumerStats.isStandardBucketSupported(
		EnergyConsumerStats.POWER_BUCKET_MOBILE_RADIO);
		}

		@NonNull
		private static String[] getBatteryConsumerProcessStateNames() {
		String[] procStateNames = new String[BatteryConsumer.PROCESS_STATE_COUNT];
		@@ -14879,6 +15039,40 @@ public class BatteryStatsImpl extends BatteryStats {
		"battery_charged_delay_ms";
		public static final String KEY_RECORD_USAGE_HISTORY =
		"record_usage_history";
		public static final String KEY_PER_UID_MODEM_POWER_MODEL =
		"per_uid_modem_power_model";

		public static final String PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME_NAME =
		"mobile_radio_active_time";
		public static final String PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX_NAME =
		"modem_activity_info_rx_tx";

		/** Convert {@link PerUidModemPowerModel} to string */
		public String getPerUidModemModelName(@PerUidModemPowerModel int model) {
		switch(model) {
		case PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME:
		return PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME_NAME;
		case PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX:
		return PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX_NAME;
		default:
		Slog.w(TAG, "Unexpected per uid modem model (" + model + ")");
		return "unknown_" + model;
		}
		}

		/** Convert string to {@link PerUidModemPowerModel} */
		@PerUidModemPowerModel
		public int getPerUidModemModel(String name) {
		switch(name) {
		case PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME_NAME:
		return PER_UID_MODEM_POWER_MODEL_MOBILE_RADIO_ACTIVE_TIME;
		case PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX_NAME:
		return PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX;
		default:
		Slog.w(TAG, "Unexpected per uid modem model name (" + name + ")");
		return DEFAULT_PER_UID_MODEM_MODEL;
		}
		}

		private static final boolean DEFAULT_TRACK_CPU_ACTIVE_CLUSTER_TIME = true;
		private static final long DEFAULT_KERNEL_UID_READERS_THROTTLE_TIME = 1_000;
		@@ -14892,6 +15086,9 @@ public class BatteryStatsImpl extends BatteryStats {
		private static final int DEFAULT_MAX_HISTORY_BUFFER_LOW_RAM_DEVICE_KB = 64; /Kilo Bytes/
		private static final int DEFAULT_BATTERY_CHARGED_DELAY_MS = 900000; /* 15 min */
		private static final boolean DEFAULT_RECORD_USAGE_HISTORY = false;
		@PerUidModemPowerModel
		private static final int DEFAULT_PER_UID_MODEM_MODEL =
		PER_UID_MODEM_POWER_MODEL_MODEM_ACTIVITY_INFO_RX_TX;

		public boolean TRACK_CPU_ACTIVE_CLUSTER_TIME = DEFAULT_TRACK_CPU_ACTIVE_CLUSTER_TIME;
		/* Do not set default value for KERNEL_UID_READERS_THROTTLE_TIME. Need to trigger an
		@@ -14908,6 +15105,7 @@ public class BatteryStatsImpl extends BatteryStats {
		public int MAX_HISTORY_BUFFER; /Bytes/
		public int BATTERY_CHARGED_DELAY_MS = DEFAULT_BATTERY_CHARGED_DELAY_MS;
		public boolean RECORD_USAGE_HISTORY = DEFAULT_RECORD_USAGE_HISTORY;
		public int PER_UID_MODEM_MODEL = DEFAULT_PER_UID_MODEM_MODEL;

		private ContentResolver mResolver;
		private final KeyValueListParser mParser = new KeyValueListParser(',');
		@@ -14985,6 +15183,9 @@ public class BatteryStatsImpl extends BatteryStats {
		* 1024;
		RECORD_USAGE_HISTORY = mParser.getBoolean(
		KEY_RECORD_USAGE_HISTORY, DEFAULT_RECORD_USAGE_HISTORY);
		final String perUidModemModel = mParser.getString(KEY_PER_UID_MODEM_POWER_MODEL,
		"");
		PER_UID_MODEM_MODEL = getPerUidModemModel(perUidModemModel);

		updateBatteryChargedDelayMsLocked();

		@@ -15053,6 +15254,8 @@ public class BatteryStatsImpl extends BatteryStats {
		pw.println(BATTERY_CHARGED_DELAY_MS);
		pw.print(KEY_RECORD_USAGE_HISTORY); pw.print("=");
		pw.println(RECORD_USAGE_HISTORY);
		pw.print(KEY_PER_UID_MODEM_POWER_MODEL); pw.print("=");
		pw.println(getPerUidModemModelName(PER_UID_MODEM_MODEL));
		}
		}

services/core/java/com/android/server/power/stats/MobileRadioPowerCalculator.java

+26 −7

Original line number	Diff line number	Diff line
		@@ -270,24 +270,27 @@ public class MobileRadioPowerCalculator extends PowerCalculator {
		// Calculate the inactive modem power consumption.
		final BatteryStats.ControllerActivityCounter modemActivity =
		batteryStats.getModemControllerActivity();
		if (modemActivity != null && (mSleepPowerEstimator != null
		\|\| mIdlePowerEstimator != null)) {
		double inactivePowerMah = Double.NaN;
		if (modemActivity != null) {
		final long sleepDurationMs = modemActivity.getSleepTimeCounter().getCountLocked(
		BatteryStats.STATS_SINCE_CHARGED);
		total.remainingPowerMah += mSleepPowerEstimator.calculatePower(sleepDurationMs);
		final long idleDurationMs = modemActivity.getIdleTimeCounter().getCountLocked(
		BatteryStats.STATS_SINCE_CHARGED);
		total.remainingPowerMah += mIdlePowerEstimator.calculatePower(idleDurationMs);
		} else {
		inactivePowerMah = calcInactiveStatePowerMah(sleepDurationMs, idleDurationMs);
		}
		if (Double.isNaN(inactivePowerMah)) {
		// Modem activity counters unavailable. Use legacy calculations for inactive usage.
		final long scanningTimeMs = batteryStats.getPhoneSignalScanningTime(rawRealtimeUs,
		BatteryStats.STATS_SINCE_CHARGED) / 1000;
		total.remainingPowerMah += calcScanTimePowerMah(scanningTimeMs);
		inactivePowerMah = calcScanTimePowerMah(scanningTimeMs);
		for (int i = 0; i < NUM_SIGNAL_STRENGTH_LEVELS; i++) {
		long strengthTimeMs = batteryStats.getPhoneSignalStrengthTime(i, rawRealtimeUs,
		BatteryStats.STATS_SINCE_CHARGED) / 1000;
		total.remainingPowerMah += calcIdlePowerAtSignalStrengthMah(strengthTimeMs, i);
		inactivePowerMah += calcIdlePowerAtSignalStrengthMah(strengthTimeMs, i);
		}
		}
		if (!Double.isNaN(inactivePowerMah)) {
		total.remainingPowerMah += inactivePowerMah;
		}

		}
		@@ -508,6 +511,22 @@ public class MobileRadioPowerCalculator extends PowerCalculator {
		return consumptionMah;
		}

		/**
		* Calculates active transmit radio power consumption (in milliamp-hours) from the given state's
		* duration.
		*/
		public double calcInactiveStatePowerMah(long sleepDurationMs, long idleDurationMs) {
		if (mSleepPowerEstimator == null \|\| mIdlePowerEstimator == null) return Double.NaN;
		final double sleepConsumptionMah = mSleepPowerEstimator.calculatePower(sleepDurationMs);
		final double idleConsumptionMah = mIdlePowerEstimator.calculatePower(idleDurationMs);
		if (DEBUG) {
		Log.d(TAG, "Calculated sleep consumption " + sleepConsumptionMah
		+ " mAH from a duration of " + sleepDurationMs + " ms and idle consumption "
		+ idleConsumptionMah + " mAH from a duration of " + idleDurationMs);
		}
		return sleepConsumptionMah + idleConsumptionMah;
		}

		/**
		* Calculates active radio power consumption (in milliamp-hours) from active radio duration.
		*/

services/tests/servicestests/src/com/android/server/power/stats/BatteryUsageStatsRule.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -137,6 +137,13 @@ public class BatteryUsageStatsRule implements TestRule {
		return this;
		}

		public BatteryUsageStatsRule setPerUidModemModel(int perUidModemModel) {
		synchronized (mBatteryStats) {
		mBatteryStats.setPerUidModemModel(perUidModemModel);
		}
		return this;
		}

		/** Call only after setting the power profile information. */
		public BatteryUsageStatsRule initMeasuredEnergyStatsLocked() {
		return initMeasuredEnergyStatsLocked(new String[0]);

services/tests/servicestests/src/com/android/server/power/stats/MobileRadioPowerCalculatorTest.java

+260 −1

File changed.

Preview size limit exceeded, changes collapsed.

services/tests/servicestests/src/com/android/server/power/stats/MockBatteryStatsImpl.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -213,6 +213,13 @@ public class MockBatteryStatsImpl extends BatteryStatsImpl {
		return this;
		}

		@GuardedBy("this")
		public MockBatteryStatsImpl setPerUidModemModel(int perUidModemModel) {
		mConstants.PER_UID_MODEM_MODEL = perUidModemModel;
		mConstants.onChange();
		return this;
		}

		public int getAndClearExternalStatsSyncFlags() {
		final int flags = mExternalStatsSync.flags;
		mExternalStatsSync.flags = 0;