Merge "Add low power stats to batteryhistory" into nyc-dev (5149abe7) · Commits · e / os / android_frameworks_base

core/java/android/os/BatteryStats.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -1070,6 +1070,9 @@ public abstract class BatteryStats implements Parcelable {
		public int statSoftIrqTime;
		public int statIdlTime;

		// Platform-level low power state stats
		public String statPlatformIdleState;

		public HistoryStepDetails() {
		clear();
		}
		@@ -1099,6 +1102,7 @@ public abstract class BatteryStats implements Parcelable {
		out.writeInt(statIrqTime);
		out.writeInt(statSoftIrqTime);
		out.writeInt(statIdlTime);
		out.writeString(statPlatformIdleState);
		}

		public void readFromParcel(Parcel in) {
		@@ -1119,6 +1123,7 @@ public abstract class BatteryStats implements Parcelable {
		statIrqTime = in.readInt();
		statSoftIrqTime = in.readInt();
		statIdlTime = in.readInt();
		statPlatformIdleState = in.readString();
		}
		}

		@@ -4788,6 +4793,8 @@ public abstract class BatteryStats implements Parcelable {
		pw.print(sb);
		pw.print(")");
		}
		pw.print(", PlatformIdleStat ");
		pw.print(rec.stepDetails.statPlatformIdleState);
		pw.println();
		} else {
		pw.print(BATTERY_STATS_CHECKIN_VERSION); pw.print(',');
		@@ -4821,6 +4828,8 @@ public abstract class BatteryStats implements Parcelable {
		pw.print(rec.stepDetails.statSoftIrqTime);
		pw.print(',');
		pw.print(rec.stepDetails.statIdlTime);
		pw.print(',');
		pw.print(rec.stepDetails.statPlatformIdleState);
		pw.println();
		}
		}

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

+24 −3

Original line number	Diff line number	Diff line
		@@ -108,7 +108,7 @@ public class BatteryStatsImpl extends BatteryStats {
		private static final int MAGIC = 0xBA757475; // 'BATSTATS'

		// Current on-disk Parcel version
		private static final int VERSION = 142 + (USE_OLD_HISTORY ? 1000 : 0);
		private static final int VERSION = 143 + (USE_OLD_HISTORY ? 1000 : 0);

		// Maximum number of items we will record in the history.
		private static final int MAX_HISTORY_ITEMS = 2000;
		@@ -150,6 +150,13 @@ public class BatteryStatsImpl extends BatteryStats {
		public void batterySendBroadcast(Intent intent);
		}

		public interface PlatformIdleStateCallback {
		public String getPlatformLowPowerStats();
		}

		private final PlatformIdleStateCallback mPlatformIdleStateCallback;


		final class MyHandler extends Handler {
		public MyHandler(Looper looper) {
		super(looper, null, true);
		@@ -569,6 +576,7 @@ public class BatteryStatsImpl extends BatteryStats {
		mDailyFile = null;
		mHandler = null;
		mExternalSync = null;
		mPlatformIdleStateCallback = null;
		clearHistoryLocked();
		}

		@@ -2220,6 +2228,12 @@ public class BatteryStatsImpl extends BatteryStats {
		+ cur.eventTag.string);
		}
		if (computeStepDetails) {
		if (mPlatformIdleStateCallback != null) {
		mCurHistoryStepDetails.statPlatformIdleState =
		mPlatformIdleStateCallback.getPlatformLowPowerStats();
		if (DEBUG) Slog.i(TAG, "WRITE PlatformIdleState:" +
		mCurHistoryStepDetails.statPlatformIdleState);
		}
		computeHistoryStepDetails(mCurHistoryStepDetails, mLastHistoryStepDetails);
		if (includeStepDetails != 0) {
		mCurHistoryStepDetails.writeToParcel(dest);
		@@ -7372,11 +7386,16 @@ public class BatteryStatsImpl extends BatteryStats {
		}

		public BatteryStatsImpl(File systemDir, Handler handler, ExternalStatsSync externalSync) {
		this(new SystemClocks(), systemDir, handler, externalSync);
		this(new SystemClocks(), systemDir, handler, externalSync, null);
		}

		public BatteryStatsImpl(File systemDir, Handler handler, ExternalStatsSync externalSync,
		PlatformIdleStateCallback cb) {
		this(new SystemClocks(), systemDir, handler, externalSync, cb);
		}

		public BatteryStatsImpl(Clocks clocks, File systemDir, Handler handler,
		ExternalStatsSync externalSync) {
		ExternalStatsSync externalSync, PlatformIdleStateCallback cb) {
		init(clocks);

		if (systemDir != null) {
		@@ -7462,6 +7481,7 @@ public class BatteryStatsImpl extends BatteryStats {
		initDischarge();
		clearHistoryLocked();
		updateDailyDeadlineLocked();
		mPlatformIdleStateCallback = cb;
		}

		public BatteryStatsImpl(Parcel p) {
		@@ -7477,6 +7497,7 @@ public class BatteryStatsImpl extends BatteryStats {
		mExternalSync = null;
		clearHistoryLocked();
		readFromParcel(p);
		mPlatformIdleStateCallback = null;
		}

		public void setPowerProfile(PowerProfile profile) {

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

+31 −3

Original line number	Diff line number	Diff line
		@@ -79,7 +79,8 @@ import java.util.concurrent.TimeoutException;
		* battery life.
		*/
		public final class BatteryStatsService extends IBatteryStats.Stub
		implements PowerManagerInternal.LowPowerModeListener {
		implements PowerManagerInternal.LowPowerModeListener,
		BatteryStatsImpl.PlatformIdleStateCallback {
		static final String TAG = "BatteryStatsService";

		/**
		@@ -173,6 +174,33 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		}
		}

		private native int getPlatformLowPowerStats(ByteBuffer outBuffer);
		private CharsetDecoder mDecoderStat = StandardCharsets.UTF_8
		.newDecoder()
		.onMalformedInput(CodingErrorAction.REPLACE)
		.onUnmappableCharacter(CodingErrorAction.REPLACE)
		.replaceWith("?");
		private ByteBuffer mUtf8BufferStat = ByteBuffer.allocateDirect(MAX_LOW_POWER_STATS_SIZE);
		private CharBuffer mUtf16BufferStat = CharBuffer.allocate(MAX_LOW_POWER_STATS_SIZE);
		private static final int MAX_LOW_POWER_STATS_SIZE = 512;

		@Override
		public String getPlatformLowPowerStats() {
		mUtf8BufferStat.clear();
		mUtf16BufferStat.clear();
		mDecoderStat.reset();
		int bytesWritten = getPlatformLowPowerStats(mUtf8BufferStat);
		if (bytesWritten < 0) {
		return null;
		} else if (bytesWritten == 0) {
		return "Empty";
		}
		mUtf8BufferStat.limit(bytesWritten);
		mDecoderStat.decode(mUtf8BufferStat, mUtf16BufferStat, true);
		mUtf16BufferStat.flip();
		return mUtf16BufferStat.toString();
		}

		BatteryStatsService(File systemDir, Handler handler) {
		// Our handler here will be accessing the disk, use a different thread than
		// what the ActivityManagerService gave us (no I/O on that one!).
		@@ -182,7 +210,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub
		mHandler = new BatteryStatsHandler(thread.getLooper());

		// BatteryStatsImpl expects the ActivityManagerService handler, so pass that one through.
		mStats = new BatteryStatsImpl(systemDir, handler, mHandler);
		mStats = new BatteryStatsImpl(systemDir, handler, mHandler, this);
		}

		public void publish(Context context) {

services/core/jni/com_android_server_am_BatteryStatsService.cpp

+117 −0

Original line number	Diff line number	Diff line
		@@ -27,8 +27,10 @@
		#include <utils/misc.h>
		#include <utils/Log.h>
		#include <hardware/hardware.h>
		#include <hardware/power.h>
		#include <suspend/autosuspend.h>

		#include <inttypes.h>
		#include <stdio.h>
		#include <errno.h>
		#include <fcntl.h>
		@@ -47,6 +49,7 @@ namespace android

		static bool wakeup_init = false;
		static sem_t wakeup_sem;
		extern struct power_module* gPowerModule;

		static void wakeup_callback(bool success)
		{
		@@ -170,8 +173,122 @@ static jint nativeWaitWakeup(JNIEnv *env, jobject clazz, jobject outBuf)
		return mergedreasonpos - mergedreason;
		}

		static jint getPlatformLowPowerStats(JNIEnv* env, jobject /* clazz */, jobject outBuf) {
		int num_modes = -1;
		char output = (char)env->GetDirectBufferAddress(outBuf), *offset = output;
		int remaining = (int)env->GetDirectBufferCapacity(outBuf);
		power_state_platform_sleep_state_t *list;
		size_t *voter_list;
		int total_added = -1;

		if (outBuf == NULL) {
		jniThrowException(env, "java/lang/NullPointerException", "null argument");
		goto error;
		}

		if (!gPowerModule) {
		ALOGE("%s: gPowerModule not loaded", POWER_HARDWARE_MODULE_ID);
		goto error;
		}

		if (! (gPowerModule->get_platform_low_power_stats && gPowerModule->get_number_of_platform_modes
		&& gPowerModule->get_voter_list)) {
		ALOGE("%s: Missing API", POWER_HARDWARE_MODULE_ID);
		goto error;
		}

		if (gPowerModule->get_number_of_platform_modes) {
		num_modes = gPowerModule->get_number_of_platform_modes(gPowerModule);
		}

		if (num_modes < 1) {
		ALOGE("%s: Platform does not even have one low power mode", POWER_HARDWARE_MODULE_ID);
		goto error;
		}

		list = (power_state_platform_sleep_state_t *)calloc(num_modes,
		sizeof(power_state_platform_sleep_state_t));
		if (!list) {
		ALOGE("%s: power_state_platform_sleep_state_t allocation failed", POWER_HARDWARE_MODULE_ID);
		goto error;
		}

		voter_list = (size_t )calloc(num_modes, sizeof(voter_list));
		if (!voter_list) {
		ALOGE("%s: voter_list allocation failed", POWER_HARDWARE_MODULE_ID);
		goto err_free;
		}

		gPowerModule->get_voter_list(gPowerModule, voter_list);

		for (int i = 0; i < num_modes; i++) {
		list[i].voters = (power_state_voter_t *)calloc(voter_list[i],
		sizeof(power_state_voter_t));
		if (!list[i].voters) {
		ALOGE("%s: voter_t allocation failed", POWER_HARDWARE_MODULE_ID);
		goto err_free;
		}
		}

		if (!gPowerModule->get_platform_low_power_stats(gPowerModule, list)) {
		for (int i = 0; i < num_modes; i++) {
		int added;

		added = snprintf(offset, remaining, "%s_time=%" PRIu64 " %s_count=%" PRIu64 " ",
		list[i].name, list[i].residency_in_msec_since_boot, list[i].name,
		list[i].total_transitions);
		if (added < 0) {
		break;
		}
		if (added > remaining) {
		added = remaining;
		}
		offset += added;
		remaining -= added;
		total_added += added;

		for (unsigned int j = 0; j < list[i].number_of_voters; j++) {
		added = snprintf(offset, remaining, "%s_time=%" PRIu64 " %s_count=%" PRIu64 " ",
		list[i].voters[j].name,
		list[i].voters[j].total_time_in_msec_voted_for_since_boot,
		list[i].voters[j].name,
		list[i].voters[j].total_number_of_times_voted_since_boot);
		if (added < 0) {
		break;
		}
		if (added > remaining) {
		added = remaining;
		}
		offset += added;
		remaining -= added;
		total_added += added;
		}

		if (remaining <= 0) {
		/* rewrite NULL character*/
		offset--;
		total_added--;
		ALOGE("%s module: buffer not enough", POWER_HARDWARE_MODULE_ID);
		break;
		}
		}
		}
		*offset = 0;
		total_added += 1;

		err_free:
		for (int i = 0; i < num_modes; i++) {
		free(list[i].voters);
		}
		free(list);
		free(voter_list);
		error:
		return total_added;
		}

		static const JNINativeMethod method_table[] = {
		{ "nativeWaitWakeup", "(Ljava/nio/ByteBuffer;)I", (void*)nativeWaitWakeup },
		{ "getPlatformLowPowerStats", "(Ljava/nio/ByteBuffer;)I", (void*)getPlatformLowPowerStats },
		};

		int register_android_server_BatteryStatsService(JNIEnv *env)

services/core/jni/com_android_server_power_PowerManagerService.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@ static struct {
		// ----------------------------------------------------------------------------

		static jobject gPowerManagerServiceObj;
		static struct power_module* gPowerModule;
		struct power_module* gPowerModule;

		static nsecs_t gLastEventTime[USER_ACTIVITY_EVENT_LAST + 1];