Add "start time" timestamp to battery stats. (5f4a5f95) · Commits · e / os / android_frameworks_base

core/java/android/os/BatteryStats.java

+11 −2

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import java.util.Map;
		import android.content.Context;
		import android.content.pm.ApplicationInfo;
		import android.telephony.SignalStrength;
		import android.text.format.DateFormat;
		import android.util.Printer;
		import android.util.SparseArray;
		import android.util.TimeUtils;
		@@ -894,6 +895,11 @@ public abstract class BatteryStats implements Parcelable {
		public abstract long getNetworkActivityBytes(int type, int which);
		public abstract long getNetworkActivityPackets(int type, int which);

		/**
		* Return the wall clock time when battery stats data collection started.
		*/
		public abstract long getStartClockTime();

		/**
		* Return whether we are currently running on battery.
		*/
		@@ -1210,7 +1216,8 @@ public abstract class BatteryStats implements Parcelable {
		dumpLine(pw, 0 /* uid */, category, BATTERY_DATA,
		which == STATS_SINCE_CHARGED ? getStartCount() : "N/A",
		whichBatteryRealtime / 1000, whichBatteryUptime / 1000,
		totalRealtime / 1000, totalUptime / 1000);
		totalRealtime / 1000, totalUptime / 1000,
		getStartClockTime());

		// Calculate wakelock times across all uids.
		long fullWakeLockTimeTotal = 0;
		@@ -1587,6 +1594,8 @@ public abstract class BatteryStats implements Parcelable {
		formatTimeMs(sb, totalUptime / 1000);
		sb.append("uptime, ");
		pw.println(sb.toString());
		pw.print(" Start clock time: ");
		pw.println(DateFormat.format("yyyy-MM-dd-HH-mm-ss", getStartClockTime()).toString());

		final long screenOnTime = getScreenOnTime(batteryRealtime, which);
		final long phoneOnTime = getPhoneOnTime(batteryRealtime, which);

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

+13 −4

Original line number	Diff line number	Diff line
		@@ -87,7 +87,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		private static final int MAGIC = 0xBA757475; // 'BATSTATS'

		// Current on-disk Parcel version
		private static final int VERSION = 70 + (USE_OLD_HISTORY ? 1000 : 0);
		private static final int VERSION = 71 + (USE_OLD_HISTORY ? 1000 : 0);

		// Maximum number of items we will record in the history.
		private static final int MAX_HISTORY_ITEMS = 2000;
		@@ -209,6 +209,8 @@ public final class BatteryStatsImpl extends BatteryStats {

		int mStartCount;

		long mStartClockTime;

		long mBatteryUptime;
		long mBatteryLastUptime;
		long mBatteryRealtime;
		@@ -2842,6 +2844,10 @@ public final class BatteryStatsImpl extends BatteryStats {
		}
		}

		@Override public long getStartClockTime() {
		return mStartClockTime;
		}

		@Override public boolean getIsOnBattery() {
		return mOnBattery;
		}
		@@ -4959,6 +4965,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		}

		void initTimes() {
		mStartClockTime = System.currentTimeMillis();
		mBatteryRealtime = mTrackBatteryPastUptime = 0;
		mBatteryUptime = mTrackBatteryPastRealtime = 0;
		mUptimeStart = mTrackBatteryUptimeStart = SystemClock.uptimeMillis() * 1000;
		@@ -5832,6 +5839,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		mBatteryRealtime = in.readLong();
		mUptime = in.readLong();
		mRealtime = in.readLong();
		mStartClockTime = in.readLong();
		mDischargeUnplugLevel = in.readInt();
		mDischargeCurrentLevel = in.readInt();
		mLowDischargeAmountSinceCharge = in.readInt();
		@@ -6040,9 +6048,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		* @param out the Parcel to be written to.
		*/
		public void writeSummaryToParcel(Parcel out) {
		// Need to update with current kernel wake lock counts.
		updateKernelWakelocksLocked();
		updateNetworkActivityLocked();
		pullPendingStateUpdatesLocked();

		final long NOW_SYS = SystemClock.uptimeMillis() * 1000;
		final long NOWREAL_SYS = SystemClock.elapsedRealtime() * 1000;
		@@ -6058,6 +6064,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		out.writeLong(computeBatteryRealtime(NOWREAL_SYS, STATS_SINCE_CHARGED));
		out.writeLong(computeUptime(NOW_SYS, STATS_SINCE_CHARGED));
		out.writeLong(computeRealtime(NOWREAL_SYS, STATS_SINCE_CHARGED));
		out.writeLong(mStartClockTime);
		out.writeInt(mDischargeUnplugLevel);
		out.writeInt(mDischargeCurrentLevel);
		out.writeInt(getLowDischargeAmountSinceCharge());
		@@ -6293,6 +6300,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		mBatteryLastUptime = 0;
		mBatteryRealtime = in.readLong();
		mBatteryLastRealtime = 0;
		mStartClockTime = in.readLong();
		mScreenOn = false;
		mScreenOnTimer = new StopwatchTimer(null, -1, null, mUnpluggables, in);
		for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
		@@ -6408,6 +6416,7 @@ public final class BatteryStatsImpl extends BatteryStats {
		out.writeInt(mStartCount);
		out.writeLong(mBatteryUptime);
		out.writeLong(mBatteryRealtime);
		out.writeLong(mStartClockTime);
		mScreenOnTimer.writeToParcel(out, batteryRealtime);
		for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
		mScreenBrightnessTimer[i].writeToParcel(out, batteryRealtime);