Add EnergyConsumer data to battery history (0c2a3a82) · Commits · e / os / android_frameworks_base

core/java/android/os/BatteryStats.java

+76 −0

Original line number	Diff line number	Diff line
		@@ -1766,6 +1766,49 @@ public abstract class BatteryStats {
		}
		}

		/**
		* Measured energy delta from the previous reading.
		*/
		public static final class MeasuredEnergyDetails {
		/**
		* Description of the energy consumer, such as CPU, DISPLAY etc
		*/
		public static final class EnergyConsumer {
		/**
		* See android.hardware.power.stats.EnergyConsumerType
		*/
		public int type;
		/**
		* Used when there are multipe energy consumers of the same type, such
		* as CPU clusters, multiple displays on foldable devices etc.
		*/
		public int ordinal;
		/**
		* Human-readable name of the energy consumer, e.g. "CPU"
		*/
		public String name;
		}
		public EnergyConsumer[] consumers;
		public long[] chargeUC;

		@Override
		public String toString() {
		final StringBuilder sb = new StringBuilder();
		for (int i = 0; i < consumers.length; i++) {
		if (chargeUC[i] == POWER_DATA_UNAVAILABLE) {
		continue;
		}
		if (sb.length() != 0) {
		sb.append(' ');
		}
		sb.append(consumers[i].name);
		sb.append('=');
		sb.append(chargeUC[i]);
		}
		return sb.toString();
		}
		}

		/**
		* Battery history record.
		*/
		@@ -1886,6 +1929,7 @@ public abstract class BatteryStats {
		public static final int STATE2_BLUETOOTH_SCAN_FLAG = 1 << 20;
		public static final int STATE2_CELLULAR_HIGH_TX_POWER_FLAG = 1 << 19;
		public static final int STATE2_USB_DATA_LINK_FLAG = 1 << 18;
		public static final int STATE2_EXTENSIONS_FLAG = 1 << 17;

		public static final int MOST_INTERESTING_STATES2 =
		STATE2_POWER_SAVE_FLAG \| STATE2_WIFI_ON_FLAG \| STATE2_DEVICE_IDLE_MASK
		@@ -1905,6 +1949,9 @@ public abstract class BatteryStats {
		// Non-null when there is more detailed information at this step.
		public HistoryStepDetails stepDetails;

		// Non-null when there is measured energy information
		public MeasuredEnergyDetails measuredEnergyDetails;

		public static final int EVENT_FLAG_START = 0x8000;
		public static final int EVENT_FLAG_FINISH = 0x4000;

		@@ -2113,6 +2160,7 @@ public abstract class BatteryStats {
		eventCode = EVENT_NONE;
		eventTag = null;
		tagsFirstOccurrence = false;
		measuredEnergyDetails = null;
		}

		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
		@@ -2162,6 +2210,7 @@ public abstract class BatteryStats {
		}
		tagsFirstOccurrence = o.tagsFirstOccurrence;
		currentTime = o.currentTime;
		measuredEnergyDetails = o.measuredEnergyDetails;
		}

		public boolean sameNonEvent(HistoryItem o) {
		@@ -6951,6 +7000,14 @@ public abstract class BatteryStats {
		item.append("\"");
		}
		}
		if ((rec.states2 & HistoryItem.STATE2_EXTENSIONS_FLAG) != 0) {
		if (!checkin) {
		item.append(" ext=");
		if (rec.measuredEnergyDetails != null) {
		item.append("E");
		}
		}
		}
		if (rec.eventCode != HistoryItem.EVENT_NONE) {
		item.append(checkin ? "," : " ");
		if ((rec.eventCode&HistoryItem.EVENT_FLAG_START) != 0) {
		@@ -7075,6 +7132,25 @@ public abstract class BatteryStats {
		item.append("\n");
		}
		}
		if (rec.measuredEnergyDetails != null) {
		if (!checkin) {
		item.append(" Energy: ");
		item.append(rec.measuredEnergyDetails);
		item.append("\n");
		} else {
		item.append(BATTERY_STATS_CHECKIN_VERSION); item.append(',');
		item.append(HISTORY_DATA); item.append(",0,XE");
		for (int i = 0; i < rec.measuredEnergyDetails.consumers.length; i++) {
		if (rec.measuredEnergyDetails.chargeUC[i] != POWER_DATA_UNAVAILABLE) {
		item.append(',');
		item.append(rec.measuredEnergyDetails.consumers[i].name);
		item.append('=');
		item.append(rec.measuredEnergyDetails.chargeUC[i]);
		}
		}
		item.append("\n");
		}
		}
		oldState = rec.states;
		oldState2 = rec.states2;
		// Clear High Tx Power Flag for volta positioning

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

+49 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import android.os.BatteryManager;
		import android.os.BatteryStats.HistoryItem;
		import android.os.BatteryStats.HistoryStepDetails;
		import android.os.BatteryStats.HistoryTag;
		import android.os.BatteryStats.MeasuredEnergyDetails;
		import android.os.Parcel;
		import android.os.ParcelFormatException;
		import android.os.Process;
		@@ -113,6 +114,9 @@ public class BatteryStatsHistory {
		// therefore the tag value is written in the parcel
		static final int TAG_FIRST_OCCURRENCE_FLAG = 0x8000;

		static final int EXTENSION_MEASURED_ENERGY_HEADER_FLAG = 0x00000001;
		static final int EXTENSION_MEASURED_ENERGY_FLAG = 0x00000002;

		private final Parcel mHistoryBuffer;
		private final File mSystemDir;
		private final HistoryStepDetailsCalculator mStepDetailsCalculator;
		@@ -183,6 +187,7 @@ public class BatteryStatsHistory {
		private long mTrackRunningHistoryElapsedRealtimeMs = 0;
		private long mTrackRunningHistoryUptimeMs = 0;
		private long mHistoryBaseTimeMs;
		private boolean mMeasuredEnergyHeaderWritten = false;

		private byte mLastHistoryStepLevel = 0;

		@@ -293,6 +298,7 @@ public class BatteryStatsHistory {
		mLastHistoryElapsedRealtimeMs = 0;
		mTrackRunningHistoryElapsedRealtimeMs = 0;
		mTrackRunningHistoryUptimeMs = 0;
		mMeasuredEnergyHeaderWritten = false;

		mHistoryBuffer.setDataSize(0);
		mHistoryBuffer.setDataPosition(0);
		@@ -932,6 +938,16 @@ public class BatteryStatsHistory {
		writeHistoryItem(elapsedRealtimeMs, uptimeMs);
		}

		/**
		* Records measured energy data.
		*/
		public void recordMeasuredEnergyDetails(long elapsedRealtimeMs, long uptimeMs,
		MeasuredEnergyDetails measuredEnergyDetails) {
		mHistoryCur.measuredEnergyDetails = measuredEnergyDetails;
		mHistoryCur.states2 \|= HistoryItem.STATE2_EXTENSIONS_FLAG;
		writeHistoryItem(elapsedRealtimeMs, uptimeMs);
		}

		/**
		* Records a history item with the amount of charge consumed by WiFi. Used on certain devices
		* equipped with on-device power metering.
		@@ -1256,6 +1272,7 @@ public class BatteryStatsHistory {
		cur.eventCode = HistoryItem.EVENT_NONE;
		cur.eventTag = null;
		cur.tagsFirstOccurrence = false;
		cur.measuredEnergyDetails = null;
		if (DEBUG) {
		Slog.i(TAG, "Writing history buffer: was " + mHistoryBufferLastPos
		+ " now " + mHistoryBuffer.dataPosition()
		@@ -1348,6 +1365,7 @@ public class BatteryStatsHistory {
		return;
		}

		int extensionFlags = 0;
		final long deltaTime = cur.time - last.time;
		final int lastBatteryLevelInt = buildBatteryLevelInt(last);
		final int lastStateInt = buildStateInt(last);
		@@ -1374,6 +1392,15 @@ public class BatteryStatsHistory {
		if (stateIntChanged) {
		firstToken \|= BatteryStatsHistory.DELTA_STATE_FLAG;
		}
		if (cur.measuredEnergyDetails != null) {
		extensionFlags \|= BatteryStatsHistory.EXTENSION_MEASURED_ENERGY_FLAG;
		if (!mMeasuredEnergyHeaderWritten) {
		extensionFlags \|= BatteryStatsHistory.EXTENSION_MEASURED_ENERGY_HEADER_FLAG;
		}
		}
		if (extensionFlags != 0) {
		cur.states2 \|= HistoryItem.STATE2_EXTENSIONS_FLAG;
		}
		final boolean state2IntChanged = cur.states2 != last.states2;
		if (state2IntChanged) {
		firstToken \|= BatteryStatsHistory.DELTA_STATE2_FLAG;
		@@ -1491,6 +1518,28 @@ public class BatteryStatsHistory {
		}
		dest.writeDouble(cur.modemRailChargeMah);
		dest.writeDouble(cur.wifiRailChargeMah);
		if (extensionFlags != 0) {
		dest.writeInt(extensionFlags);
		if (cur.measuredEnergyDetails != null) {
		if (DEBUG) {
		Slog.i(TAG, "WRITE DELTA: measuredEnergyDetails=" + cur.measuredEnergyDetails);
		}
		if (!mMeasuredEnergyHeaderWritten) {
		MeasuredEnergyDetails.EnergyConsumer[] consumers =
		cur.measuredEnergyDetails.consumers;
		dest.writeInt(consumers.length);
		for (MeasuredEnergyDetails.EnergyConsumer consumer : consumers) {
		dest.writeInt(consumer.type);
		dest.writeInt(consumer.ordinal);
		dest.writeString(consumer.name);
		}
		mMeasuredEnergyHeaderWritten = true;
		}
		for (long chargeUC : cur.measuredEnergyDetails.chargeUC) {
		dest.writeLong(chargeUC);
		}
		}
		}
		}

		private int buildBatteryLevelInt(HistoryItem h) {

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

+35 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ public class BatteryStatsHistoryIterator {
		private final BatteryStats.HistoryStepDetails mReadHistoryStepDetails =
		new BatteryStats.HistoryStepDetails();
		private final SparseArray<BatteryStats.HistoryTag> mHistoryTags = new SparseArray<>();
		private BatteryStats.MeasuredEnergyDetails mMeasuredEnergyDetails;

		public BatteryStatsHistoryIterator(@NonNull BatteryStatsHistory history) {
		mBatteryStatsHistory = history;
		@@ -198,6 +199,40 @@ public class BatteryStatsHistoryIterator {
		}
		cur.modemRailChargeMah = src.readDouble();
		cur.wifiRailChargeMah = src.readDouble();
		if ((cur.states2 & BatteryStats.HistoryItem.STATE2_EXTENSIONS_FLAG) != 0) {
		final int extensionFlags = src.readInt();
		if ((extensionFlags & BatteryStatsHistory.EXTENSION_MEASURED_ENERGY_HEADER_FLAG) != 0) {
		if (mMeasuredEnergyDetails == null) {
		mMeasuredEnergyDetails = new BatteryStats.MeasuredEnergyDetails();
		}

		final int consumerCount = src.readInt();
		mMeasuredEnergyDetails.consumers =
		new BatteryStats.MeasuredEnergyDetails.EnergyConsumer[consumerCount];
		mMeasuredEnergyDetails.chargeUC = new long[consumerCount];
		for (int i = 0; i < consumerCount; i++) {
		BatteryStats.MeasuredEnergyDetails.EnergyConsumer consumer =
		new BatteryStats.MeasuredEnergyDetails.EnergyConsumer();
		consumer.type = src.readInt();
		consumer.ordinal = src.readInt();
		consumer.name = src.readString();
		mMeasuredEnergyDetails.consumers[i] = consumer;
		}
		}

		if ((extensionFlags & BatteryStatsHistory.EXTENSION_MEASURED_ENERGY_FLAG) != 0) {
		if (mMeasuredEnergyDetails == null) {
		throw new IllegalStateException("MeasuredEnergyDetails without a header");
		}

		for (int i = 0; i < mMeasuredEnergyDetails.chargeUC.length; i++) {
		mMeasuredEnergyDetails.chargeUC[i] = src.readLong();
		}
		cur.measuredEnergyDetails = mMeasuredEnergyDetails;
		}
		} else {
		cur.measuredEnergyDetails = null;
		}
		}

		private boolean readHistoryTag(Parcel src, int index, BatteryStats.HistoryTag outTag) {

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

+5 −0

Original line number	Diff line number	Diff line
		@@ -663,6 +663,11 @@ public class BatteryExternalStatsWorker implements BatteryStatsImpl.ExternalStat
		BatteryStats.HistoryItem.EVENT_COLLECT_EXTERNAL_STATS,
		reason, 0);

		if (measuredEnergyDeltas != null && !measuredEnergyDeltas.isEmpty()) {
		mStats.recordMeasuredEnergyDetailsLocked(elapsedRealtime, uptime,
		mMeasuredEnergySnapshot.getMeasuredEnergyDetails(measuredEnergyDeltas));
		}

		if ((updateFlags & UPDATE_CPU) != 0) {
		if (useLatestStates) {
		onBattery = mStats.isOnBatteryLocked();

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

+10 −0

Original line number	Diff line number	Diff line
		@@ -7404,6 +7404,16 @@ public class BatteryStatsImpl extends BatteryStats {
		return names;
		}

		/**
		* Adds measured energy delta to battery history.
		*/
		@GuardedBy("this")
		public void recordMeasuredEnergyDetailsLocked(long elapsedRealtimeMs,
		long uptimeMs, MeasuredEnergyDetails measuredEnergyDetails) {
		mHistory.recordMeasuredEnergyDetails(elapsedRealtimeMs, uptimeMs,
		measuredEnergyDetails);
		}

		@GuardedBy("this")
		@Override public long getStartClockTime() {
		final long currentTimeMs = mClock.currentTimeMillis();