Upload detailed battery attribution slices (ce3f3e2e) · Commits · e / os / android_frameworks_base

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

+302 −6

Original line number	Diff line number	Diff line
		@@ -76,6 +76,7 @@ import android.os.ResultReceiver;
		import android.os.ServiceManager;
		import android.os.SystemClock;
		import android.os.Trace;
		import android.os.UidBatteryConsumer;
		import android.os.UserHandle;
		import android.os.WakeLockStats;
		import android.os.WorkSource;
		@@ -158,6 +159,7 @@ import java.nio.charset.CodingErrorAction;
		import java.nio.charset.StandardCharsets;
		import java.util.Arrays;
		import java.util.Collection;
		import java.util.Comparator;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;
		@@ -1107,6 +1109,13 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		FrameworkStatsLog.BATTERY_USAGE_STATS_BEFORE_RESET,
		null, // use default PullAtomMetadata values
		DIRECT_EXECUTOR, pullAtomCallback);
		if (Flags.addBatteryUsageStatsSliceAtom()) {
		statsManager.setPullAtomCallback(
		FrameworkStatsLog.BATTERY_USAGE_STATS_PER_UID,
		null, // use default PullAtomMetadata values
		DIRECT_EXECUTOR,
		pullAtomCallback);
		}
		}

		/** StatsPullAtomCallback for pulling BatteryUsageStats data. */
		@@ -1115,7 +1124,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		public int onPullAtom(int atomTag, List<StatsEvent> data) {
		final BatteryUsageStats bus;
		switch (atomTag) {
		case FrameworkStatsLog.BATTERY_USAGE_STATS_SINCE_RESET:
		case FrameworkStatsLog.BATTERY_USAGE_STATS_SINCE_RESET: {
		@SuppressLint("MissingPermission")
		final double minConsumedPowerThreshold =
		DeviceConfig.getFloat(DEVICE_CONFIG_NAMESPACE,
		@@ -1130,6 +1139,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		.build();
		bus = getBatteryUsageStats(List.of(querySinceReset)).get(0);
		break;
		}
		case FrameworkStatsLog.BATTERY_USAGE_STATS_SINCE_RESET_USING_POWER_PROFILE_MODEL:
		final BatteryUsageStatsQuery queryPowerProfile =
		new BatteryUsageStatsQuery.Builder()
		@@ -1141,7 +1151,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		.build();
		bus = getBatteryUsageStats(List.of(queryPowerProfile)).get(0);
		break;
		case FrameworkStatsLog.BATTERY_USAGE_STATS_BEFORE_RESET:
		case FrameworkStatsLog.BATTERY_USAGE_STATS_BEFORE_RESET: {
		final long sessionStart =
		getLastBatteryUsageStatsBeforeResetAtomPullTimestamp();
		final long sessionEnd;
		@@ -1158,6 +1168,31 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		bus = getBatteryUsageStats(List.of(queryBeforeReset)).get(0);
		setLastBatteryUsageStatsBeforeResetAtomPullTimestamp(sessionEnd);
		break;
		}
		case FrameworkStatsLog.BATTERY_USAGE_STATS_PER_UID: {
		if (!Flags.addBatteryUsageStatsSliceAtom()) {
		return StatsManager.PULL_SKIP;
		}

		@SuppressLint("MissingPermission")
		final double minConsumedPowerThreshold =
		DeviceConfig.getFloat(
		DEVICE_CONFIG_NAMESPACE,
		MIN_CONSUMED_POWER_THRESHOLD_KEY,
		0);
		final long sessionStart = 0;
		final long sessionEnd = System.currentTimeMillis();
		final BatteryUsageStatsQuery query =
		new BatteryUsageStatsQuery.Builder()
		.setMaxStatsAgeMs(0)
		.includeProcessStateData()
		.includeVirtualUids()
		.aggregateSnapshots(sessionStart, sessionEnd)
		.setMinConsumedPowerThreshold(minConsumedPowerThreshold)
		.build();
		bus = getBatteryUsageStats(List.of(query)).get(0);
		return StatsPerUidLogger.logStats(bus, data);
		}
		default:
		throw new UnsupportedOperationException("Unknown tagId=" + atomTag);
		}
		@@ -1169,6 +1204,262 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		}
		}

		private static class StatsPerUidLogger {

		private static final int STATSD_METRIC_MAX_DIMENSIONS_COUNT = 3000;

		private static final int[] UID_PROCESS_STATES = {
		BatteryConsumer.PROCESS_STATE_UNSPECIFIED,
		BatteryConsumer.PROCESS_STATE_FOREGROUND,
		BatteryConsumer.PROCESS_STATE_BACKGROUND,
		BatteryConsumer.PROCESS_STATE_FOREGROUND_SERVICE,
		BatteryConsumer.PROCESS_STATE_CACHED
		};

		public record SessionInfo(
		long startTs,
		long endTs,
		long duration,
		int dischargePercentage,
		long dischargeDuration) {}
		;

		static int logStats(BatteryUsageStats bus, List<StatsEvent> data) {
		final SessionInfo sessionInfo =
		new SessionInfo(
		bus.getStatsStartTimestamp(),
		bus.getStatsEndTimestamp(),
		bus.getStatsDuration(),
		bus.getDischargePercentage(),
		bus.getDischargeDurationMs());

		if (DBG) {
		Slog.d(TAG, "BatteryUsageStats dump = " + bus);
		}
		final BatteryConsumer deviceConsumer =
		bus.getAggregateBatteryConsumer(
		BatteryUsageStats.AGGREGATE_BATTERY_CONSUMER_SCOPE_DEVICE);

		final float totalDeviceConsumedPowerMah = (float) deviceConsumer.getConsumedPower();

		for (@BatteryConsumer.PowerComponent int componentId = 0;
		componentId < BatteryConsumer.POWER_COMPONENT_COUNT;
		componentId++) {

		for (@BatteryConsumer.ProcessState int processState : UID_PROCESS_STATES) {

		if (!addStatsForPredefinedComponent(
		data,
		sessionInfo,
		Process.INVALID_UID,
		processState,
		totalDeviceConsumedPowerMah,
		deviceConsumer,
		componentId)) {
		return StatsManager.PULL_SUCCESS;
		}
		}
		}

		final int customPowerComponentCount = deviceConsumer.getCustomPowerComponentCount();
		for (int componentId = BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID;
		componentId
		< BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID
		+ customPowerComponentCount;
		componentId++) {

		if (!addStatsForCustomComponent(
		data,
		sessionInfo,
		Process.INVALID_UID,
		BatteryConsumer.PROCESS_STATE_UNSPECIFIED,
		0,
		totalDeviceConsumedPowerMah,
		deviceConsumer,
		componentId)) {
		return StatsManager.PULL_SUCCESS;
		}
		}

		final List<UidBatteryConsumer> uidConsumers = bus.getUidBatteryConsumers();
		uidConsumers.sort(
		Comparator.<BatteryConsumer>comparingDouble(BatteryConsumer::getConsumedPower)
		.reversed());

		// Log single atom for BatteryUsageStats per uid/process_state/component/etc.
		for (UidBatteryConsumer uidConsumer : uidConsumers) {
		final int uid = uidConsumer.getUid();
		final float totalConsumedPowerMah = (float) uidConsumer.getConsumedPower();

		for (@BatteryConsumer.PowerComponent int componentId = 0;
		componentId < BatteryConsumer.POWER_COMPONENT_COUNT;
		componentId++) {

		for (@BatteryConsumer.ProcessState int processState : UID_PROCESS_STATES) {

		if (!addStatsForPredefinedComponent(
		data,
		sessionInfo,
		uid,
		processState,
		totalConsumedPowerMah,
		uidConsumer,
		componentId)) {
		return StatsManager.PULL_SUCCESS;
		}
		}
		}

		// looping over custom components
		for (int componentId = BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID;
		componentId
		< BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID
		+ customPowerComponentCount;
		componentId++) {
		for (@BatteryConsumer.ProcessState int processState : UID_PROCESS_STATES) {
		final long timeInStateMillis =
		uidConsumer.getTimeInProcessStateMs(processState);
		if (timeInStateMillis <= 0) {
		continue;
		}

		if (!addStatsForCustomComponent(
		data,
		sessionInfo,
		uid,
		processState,
		timeInStateMillis,
		totalConsumedPowerMah,
		uidConsumer,
		componentId)) {
		return StatsManager.PULL_SUCCESS;
		}
		}
		}
		}
		return StatsManager.PULL_SUCCESS;
		}

		private static boolean addStatsForPredefinedComponent(
		List<StatsEvent> data,
		SessionInfo sessionInfo,
		int uid,
		@BatteryConsumer.ProcessState int processState,
		float totalConsumedPowerMah,
		BatteryConsumer batteryConsumer,
		@BatteryConsumer.PowerComponent int componentId) {
		final BatteryConsumer.Key key = batteryConsumer.getKey(componentId, processState);
		if (key == null) {
		return true;
		}

		final String powerComponentName = BatteryConsumer.powerComponentIdToString(componentId);
		final float powerMah = (float) batteryConsumer.getConsumedPower(key);
		final long powerComponentDurationMillis = batteryConsumer.getUsageDurationMillis(key);

		if (powerMah == 0 && powerComponentDurationMillis == 0) {
		return true;
		}

		long timeInState = 0;
		if (batteryConsumer instanceof UidBatteryConsumer) {
		timeInState =
		((UidBatteryConsumer) batteryConsumer)
		.getTimeInProcessStateMs(processState);
		}

		return addStatsAtom(
		data,
		sessionInfo,
		uid,
		processState,
		timeInState,
		powerComponentName,
		totalConsumedPowerMah,
		powerMah,
		powerComponentDurationMillis);
		}

		private static boolean addStatsForCustomComponent(
		List<StatsEvent> data,
		SessionInfo sessionInfo,
		int uid,
		@BatteryConsumer.ProcessState int processState,
		long timeInStateMillis,
		float totalConsumedPowerMah,
		BatteryConsumer batteryConsumer,
		int componentId) {

		if (componentId < BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID) {
		throw new IllegalArgumentException("Invalid custom component id: " + componentId);
		}

		final float powerMah =
		(float) batteryConsumer.getConsumedPowerForCustomComponent(componentId);
		if (powerMah == 0) {
		return true;
		}

		final String powerComponentName =
		batteryConsumer.getCustomPowerComponentName(componentId);

		final long powerComponentDurationMillis =
		batteryConsumer.getUsageDurationForCustomComponentMillis(componentId);

		return addStatsAtom(
		data,
		sessionInfo,
		uid,
		processState,
		timeInStateMillis,
		powerComponentName,
		totalConsumedPowerMah,
		powerMah,
		powerComponentDurationMillis);
		}

		/**
		* Returns true on success and false if reached max atoms capacity and no more atoms should
		* be added
		*/
		private static boolean addStatsAtom(
		List<StatsEvent> data,
		SessionInfo sessionInfo,
		int uid,
		int processState,
		long timeInStateMillis,
		String powerComponentName,
		float totalConsumedPowerMah,
		float powerComponentMah,
		long powerComponentDurationMillis) {
		data.add(
		FrameworkStatsLog.buildStatsEvent(
		FrameworkStatsLog.BATTERY_USAGE_STATS_PER_UID,
		sessionInfo.startTs(),
		sessionInfo.endTs(),
		sessionInfo.duration(),
		sessionInfo.dischargePercentage(),
		sessionInfo.dischargeDuration(),
		uid,
		processState,
		timeInStateMillis,
		powerComponentName,
		totalConsumedPowerMah,
		powerComponentMah,
		powerComponentDurationMillis));

		// Early termination due to statsd dimensions guardrail
		if (data.size() == STATSD_METRIC_MAX_DIMENSIONS_COUNT) {
		Slog.w(
		TAG,
		"BATTERY_USAGE_STATS_PER_UID is complete reaching"
		+ " dimension guardrail");
		return false;
		}
		return true;
		}
		}

		@Override
		@RequiresNoPermission
		public boolean isCharging() {
		@@ -2824,9 +3115,11 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		pw.println(" --checkin: generate output for a checkin report; will write (and clear) the");
		pw.println(" last old completed stats when they had been reset.");
		pw.println(" -c: write the current stats in checkin format.");
		pw.println(" --proto: write the current aggregate stats (without history) in proto format.");
		pw.println(
		" --proto: write the current aggregate stats (without history) in proto format.");
		pw.println(" --history: show only history data.");
		pw.println(" --history-start <num>: show only history data starting at given time offset.");
		pw.println(
		" --history-start <num>: show only history data starting at given time offset.");
		pw.println(" --history-create-events <num>: create <num> of battery history events.");
		pw.println(" --charged: only output data since last charged.");
		pw.println(" --daily: only output full daily data.");
		@@ -2850,12 +3143,15 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		pw.println(" -h: print this help text.");
		pw.println("Battery stats (batterystats) commands:");
		pw.println(" enable\|disable <option>");
		pw.println(" Enable or disable a running option. Option state is not saved across boots.");
		pw.println(
		" Enable or disable a running option. Option state is not saved across boots.");
		pw.println(" Options are:");
		pw.println(" full-history: include additional detailed events in battery history:");
		pw.println(" wake_lock_in, alarms and proc events");
		pw.println(" no-auto-reset: don't automatically reset stats when unplugged");
		pw.println(" pretend-screen-off: pretend the screen is off, even if screen state changes");
		pw.println(
		" pretend-screen-off: pretend the screen is off, even if screen state"
		+ " changes");
		}

		private void dumpSettings(PrintWriter pw) {

services/core/java/com/android/server/power/stats/flags.aconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -47,3 +47,10 @@ flag {
		purpose: PURPOSE_BUGFIX
		}
		}

		flag {
		name: "add_battery_usage_stats_slice_atom"
		namespace: "backstage_power"
		description: "Adds battery_usage_stats_slice atom"
		bug: "324602949"
		}