Add full support for PowerStatsHAL 2.0 (2980ec77) · Commits · e / os / android_frameworks_base

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -194,7 +194,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub

		@Override
		public MeasuredEnergyArray getEnergyConsumptionData() {
		final EnergyConsumerResult[] results = mPowerStatsHALWrapper.getEnergyConsumed();
		final EnergyConsumerResult[] results = mPowerStatsHALWrapper.getEnergyConsumed(new int[0]);
		if (results == null) return null;
		final int size = results.length;
		final int[] subsystems = new int[size];

services/core/java/com/android/server/powerstats/PowerStatsHALWrapper.java

+89 −17

Original line number	Diff line number	Diff line
		@@ -37,12 +37,42 @@ public final class PowerStatsHALWrapper {
		* IPowerStatsHALWrapper defines the interface to the PowerStatsHAL.
		*/
		public interface IPowerStatsHALWrapper {
		/**
		* Returns information related to all supported PowerEntity(s) for which state residency
		* data is available.
		*
		* A PowerEntity is defined as a platform subsystem, peripheral, or power domain that
		* impacts the total device power consumption.
		*
		* @return List of information on each PowerEntity.
		*/
		android.hardware.power.stats.PowerEntityInfo[] getPowerEntityInfo();

		/**
		* Reports the accumulated state residency for each requested PowerEntity.
		*
		* Each PowerEntity may reside in one of multiple states. It may also transition from one
		* state to another. StateResidency is defined as an accumulation of time that a
		* PowerEntity resided in each of its possible states, the number of times that each state
		* was entered, and a timestamp corresponding to the last time that state was entered.
		*
		* Data is accumulated starting at device boot.
		*
		* @param powerEntityIds List of IDs of PowerEntities for which data is requested. Passing
		* an empty list will return state residency for all available
		* PowerEntities. ID of each PowerEntity is contained in
		* PowerEntityInfo.
		*
		* @return StateResidency since boot for each requested PowerEntity
		*/
		android.hardware.power.stats.StateResidencyResult[] getStateResidency(int[] powerEntityIds);

		/**
		* Returns the energy consumer IDs for all available energy consumers (power models) on the
		* device. Examples of subsystems for which energy consumer results (power models)
		* may be available are GPS, display, wifi, etc. The default list of energy
		* consumers can be found in the PowerStats HAL definition (EnergyConsumerId.aidl).
		* The availability of energy consumer IDs is hardware dependent.
		* device. Examples of subsystems for which energy consumer results (power models) may be
		* available are GPS, display, wifi, etc. The default list of energy consumers can be
		* found in the PowerStats HAL definition (EnergyConsumerId.aidl). The availability of
		* energy consumer IDs is hardware dependent.
		*
		* @return List of EnergyConsumerIds all available energy consumers.
		*/
		@@ -50,14 +80,19 @@ public final class PowerStatsHALWrapper {

		/**
		* Returns the energy consumer result for all available energy consumers (power models).
		* Available consumers can be retrieved by calling getEnergyConsumerInfo(). The
		* subsystem corresponding to the energy consumer result is defined by the energy
		* consumer ID.
		* Available consumers can be retrieved by calling getEnergyConsumerInfo(). The subsystem
		* corresponding to the energy consumer result is defined by the energy consumer ID.
		*
		* @param energyConsumerIds Array of energy consumer IDs for which energy consumed is being
		* requested. Energy consumers available on the device can be
		* queried by calling getEnergyConsumerInfo(). Passing an empty
		* array will return results for all energy consumers.
		*
		* @return List of EnergyConsumerResult objects containing energy consumer results for all
		* available energy consumers (power models).
		*/
		android.hardware.power.stats.EnergyConsumerResult[] getEnergyConsumed();
		android.hardware.power.stats.EnergyConsumerResult[] getEnergyConsumed(
		int[] energyConsumerIds);

		/**
		* Returns channel info for all available energy meters.
		@@ -69,17 +104,21 @@ public final class PowerStatsHALWrapper {

		/**
		* Returns energy measurements for all available energy meters. Available channels can be
		* retrieved by calling getEnergyMeterInfo(). Energy measurements and channel info
		* can be linked through the channelId field.
		* retrieved by calling getEnergyMeterInfo(). Energy measurements and channel info can be
		* linked through the channelId field.
		*
		* @param channelIds Array of channel IDs for which energy measurements are being requested.
		* Channel IDs available on the device can be queried by calling
		* getEnergyMeterInfo(). Passing an empty array will return energy
		* measurements for all channels.
		*
		* @return List of EnergyMeasurement objects containing energy measurements for all
		* available energy meters.
		*/
		android.hardware.power.stats.EnergyMeasurement[] readEnergyMeters();
		android.hardware.power.stats.EnergyMeasurement[] readEnergyMeters(int[] channelIds);

		/**
		* Returns boolean indicating if connection to power stats HAL was
		* established.
		* Returns boolean indicating if connection to power stats HAL was established.
		*
		* @return true if connection to power stats HAL was correctly established.
		*/
		@@ -94,6 +133,38 @@ public final class PowerStatsHALWrapper {
		public static final class PowerStatsHALWrapperImpl implements IPowerStatsHALWrapper {
		private static Supplier<IPowerStats> sVintfPowerStats;

		@Override
		public android.hardware.power.stats.PowerEntityInfo[] getPowerEntityInfo() {
		android.hardware.power.stats.PowerEntityInfo[] powerEntityInfoHAL = null;

		if (sVintfPowerStats != null) {
		try {
		powerEntityInfoHAL = sVintfPowerStats.get().getPowerEntityInfo();
		} catch (RemoteException e) {
		Slog.e(TAG, "Failed to get power entity info from PowerStats HAL");
		}
		}

		return powerEntityInfoHAL;
		}

		@Override
		public android.hardware.power.stats.StateResidencyResult[] getStateResidency(
		int[] powerEntityIds) {
		android.hardware.power.stats.StateResidencyResult[] stateResidencyResultHAL = null;

		if (sVintfPowerStats != null) {
		try {
		stateResidencyResultHAL =
		sVintfPowerStats.get().getStateResidency(powerEntityIds);
		} catch (RemoteException e) {
		Slog.e(TAG, "Failed to get state residency from PowerStats HAL");
		}
		}

		return stateResidencyResultHAL;
		}

		@Override
		public int[] getEnergyConsumerInfo() {
		int[] energyConsumerInfoHAL = null;
		@@ -110,13 +181,14 @@ public final class PowerStatsHALWrapper {
		}

		@Override
		public android.hardware.power.stats.EnergyConsumerResult[] getEnergyConsumed() {
		public android.hardware.power.stats.EnergyConsumerResult[] getEnergyConsumed(
		int[] energyConsumerIds) {
		android.hardware.power.stats.EnergyConsumerResult[] energyConsumedHAL = null;

		if (sVintfPowerStats != null) {
		try {
		energyConsumedHAL =
		sVintfPowerStats.get().getEnergyConsumed(new int[0]);
		sVintfPowerStats.get().getEnergyConsumed(energyConsumerIds);
		} catch (RemoteException e) {
		Slog.e(TAG, "Failed to get energy consumer results from PowerStats HAL");
		}
		@@ -141,13 +213,13 @@ public final class PowerStatsHALWrapper {
		}

		@Override
		public android.hardware.power.stats.EnergyMeasurement[] readEnergyMeters() {
		public android.hardware.power.stats.EnergyMeasurement[] readEnergyMeters(int[] channelIds) {
		android.hardware.power.stats.EnergyMeasurement[] energyMeasurementHAL = null;

		if (sVintfPowerStats != null) {
		try {
		energyMeasurementHAL =
		sVintfPowerStats.get().readEnergyMeters(new int[0]);
		sVintfPowerStats.get().readEnergyMeters(channelIds);
		} catch (RemoteException e) {
		Slog.e(TAG, "Failed to get energy measurements from PowerStats HAL");
		}

services/core/java/com/android/server/powerstats/PowerStatsLogger.java

+3 −2

Original line number	Diff line number	Diff line
		@@ -61,14 +61,15 @@ public final class PowerStatsLogger extends Handler {
		if (DEBUG) Slog.d(TAG, "Logging to data storage");

		// Log power meter data.
		EnergyMeasurement[] energyMeasurements = mPowerStatsHALWrapper.readEnergyMeters();
		EnergyMeasurement[] energyMeasurements =
		mPowerStatsHALWrapper.readEnergyMeters(new int[0]);
		mPowerStatsMeterStorage.write(
		EnergyMeasurementUtils.getProtoBytes(energyMeasurements));
		if (DEBUG) EnergyMeasurementUtils.print(energyMeasurements);

		// Log power model data.
		EnergyConsumerResult[] energyConsumerResults =
		mPowerStatsHALWrapper.getEnergyConsumed();
		mPowerStatsHALWrapper.getEnergyConsumed(new int[0]);
		mPowerStatsModelStorage.write(
		EnergyConsumerResultUtils.getProtoBytes(energyConsumerResults));
		if (DEBUG) EnergyConsumerResultUtils.print(energyConsumerResults);

services/core/java/com/android/server/powerstats/PowerStatsService.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.server.powerstats;
		import android.annotation.Nullable;
		import android.content.Context;
		import android.hardware.power.stats.ChannelInfo;
		import android.hardware.power.stats.PowerEntityInfo;
		import android.os.Binder;
		import android.os.Environment;
		import android.os.UserHandle;
		@@ -31,6 +32,7 @@ import com.android.server.powerstats.PowerStatsHALWrapper.IPowerStatsHALWrapper;
		import com.android.server.powerstats.PowerStatsHALWrapper.PowerStatsHALWrapperImpl;
		import com.android.server.powerstats.ProtoStreamUtils.ChannelInfoUtils;
		import com.android.server.powerstats.ProtoStreamUtils.EnergyConsumerIdUtils;
		import com.android.server.powerstats.ProtoStreamUtils.PowerEntityInfoUtils;

		import java.io.File;
		import java.io.FileDescriptor;
		@@ -110,6 +112,10 @@ public class PowerStatsService extends SystemService {
		mPowerStatsLogger.writeMeterDataToFile(fd);
		}
		} else if (args.length == 0) {
		pw.println("PowerStatsService dumpsys: available PowerEntityInfos");
		PowerEntityInfo[] powerEntityInfo = mPowerStatsHALWrapper.getPowerEntityInfo();
		PowerEntityInfoUtils.dumpsys(powerEntityInfo, pw);

		pw.println("PowerStatsService dumpsys: available ChannelInfos");
		ChannelInfo[] channelInfo = mPowerStatsHALWrapper.getEnergyMeterInfo();
		ChannelInfoUtils.dumpsys(channelInfo, pw);

services/core/java/com/android/server/powerstats/ProtoStreamUtils.java

+56 −12

Original line number	Diff line number	Diff line
		@@ -19,6 +19,8 @@ package com.android.server.powerstats;
		import android.hardware.power.stats.ChannelInfo;
		import android.hardware.power.stats.EnergyConsumerResult;
		import android.hardware.power.stats.EnergyMeasurement;
		import android.hardware.power.stats.PowerEntityInfo;
		import android.hardware.power.stats.StateResidencyResult;
		import android.util.Slog;
		import android.util.proto.ProtoInputStream;
		import android.util.proto.ProtoOutputStream;
		@@ -42,6 +44,48 @@ import java.util.List;
		public class ProtoStreamUtils {
		private static final String TAG = ProtoStreamUtils.class.getSimpleName();

		static class PowerEntityInfoUtils {
		public static void print(PowerEntityInfo[] powerEntityInfo) {
		for (int i = 0; i < powerEntityInfo.length; i++) {
		Slog.d(TAG, "PowerEntityId: " + powerEntityInfo[i].powerEntityId
		+ ", PowerEntityName: " + powerEntityInfo[i].powerEntityName);
		for (int j = 0; j < powerEntityInfo[i].states.length; j++) {
		Slog.d(TAG, " StateId: " + powerEntityInfo[i].states[j].stateId
		+ ", StateName: " + powerEntityInfo[i].states[j].stateName);
		}
		}
		}

		public static void dumpsys(PowerEntityInfo[] powerEntityInfo, PrintWriter pw) {
		for (int i = 0; i < powerEntityInfo.length; i++) {
		pw.println("PowerEntityId: " + powerEntityInfo[i].powerEntityId
		+ ", PowerEntityName: " + powerEntityInfo[i].powerEntityName);
		for (int j = 0; j < powerEntityInfo[i].states.length; j++) {
		pw.println(" StateId: " + powerEntityInfo[i].states[j].stateId
		+ ", StateName: " + powerEntityInfo[i].states[j].stateName);
		}
		}
		}
		}

		static class StateResidencyResultUtils {
		public static void print(StateResidencyResult[] stateResidencyResult) {
		for (int i = 0; i < stateResidencyResult.length; i++) {
		Slog.d(TAG, "PowerEntityId: " + stateResidencyResult[i].powerEntityId);
		for (int j = 0; j < stateResidencyResult[i].stateResidencyData.length; j++) {
		Slog.d(TAG, " StateId: "
		+ stateResidencyResult[i].stateResidencyData[j].stateId
		+ ", TotalTimeInStateMs: "
		+ stateResidencyResult[i].stateResidencyData[j].totalTimeInStateMs
		+ ", TotalStateEntryCount: "
		+ stateResidencyResult[i].stateResidencyData[j].totalStateEntryCount
		+ ", LastEntryTimestampMs: "
		+ stateResidencyResult[i].stateResidencyData[j].lastEntryTimestampMs);
		}
		}
		}
		}

		static class ChannelInfoUtils {
		public static void packProtoMessage(ChannelInfo[] channelInfo, ProtoOutputStream pos) {
		long token;
		@@ -57,15 +101,15 @@ public class ProtoStreamUtils {

		public static void print(ChannelInfo[] channelInfo) {
		for (int i = 0; i < channelInfo.length; i++) {
		Slog.d(TAG, "ChannelId = " + channelInfo[i].channelId
		+ ", ChannelName = " + channelInfo[i].channelName);
		Slog.d(TAG, "ChannelId: " + channelInfo[i].channelId
		+ ", ChannelName: " + channelInfo[i].channelName);
		}
		}

		public static void dumpsys(ChannelInfo[] channelInfo, PrintWriter pw) {
		for (int i = 0; i < channelInfo.length; i++) {
		pw.println("ChannelId = " + channelInfo[i].channelId
		+ ", ChannelName = " + channelInfo[i].channelName);
		pw.println("ChannelId: " + channelInfo[i].channelId
		+ ", ChannelName: " + channelInfo[i].channelName);
		}
		}
		}
		@@ -157,9 +201,9 @@ public class ProtoStreamUtils {

		public static void print(EnergyMeasurement[] energyMeasurement) {
		for (int i = 0; i < energyMeasurement.length; i++) {
		Slog.d(TAG, "ChannelId = " + energyMeasurement[i].channelId
		+ ", Timestamp (ms) = " + energyMeasurement[i].timestampMs
		+ ", Energy (uWs) = " + energyMeasurement[i].energyUWs);
		Slog.d(TAG, "ChannelId: " + energyMeasurement[i].channelId
		+ ", Timestamp (ms): " + energyMeasurement[i].timestampMs
		+ ", Energy (uWs): " + energyMeasurement[i].energyUWs);
		}
		}
		}
		@@ -177,13 +221,13 @@ public class ProtoStreamUtils {

		public static void print(int[] energyConsumerId) {
		for (int i = 0; i < energyConsumerId.length; i++) {
		Slog.d(TAG, "EnergyConsumerId = " + energyConsumerId[i]);
		Slog.d(TAG, "EnergyConsumerId: " + energyConsumerId[i]);
		}
		}

		public static void dumpsys(int[] energyConsumerId, PrintWriter pw) {
		for (int i = 0; i < energyConsumerId.length; i++) {
		pw.println("EnergyConsumerId = " + energyConsumerId[i]);
		pw.println("EnergyConsumerId: " + energyConsumerId[i]);
		}
		}
		}
		@@ -278,9 +322,9 @@ public class ProtoStreamUtils {

		public static void print(EnergyConsumerResult[] energyConsumerResult) {
		for (int i = 0; i < energyConsumerResult.length; i++) {
		Slog.d(TAG, "EnergyConsumerId = " + energyConsumerResult[i].energyConsumerId
		+ ", Timestamp (ms) = " + energyConsumerResult[i].timestampMs
		+ ", Energy (uWs) = " + energyConsumerResult[i].energyUWs);
		Slog.d(TAG, "EnergyConsumerId: " + energyConsumerResult[i].energyConsumerId
		+ ", Timestamp (ms): " + energyConsumerResult[i].timestampMs
		+ ", Energy (uWs): " + energyConsumerResult[i].energyUWs);
		}
		}
		}