Merge "Make shutdown logging thread-safe" into oc-mr1-dev (0abd36a1) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/power/ShutdownThread.java

+32 −23

Original line number	Diff line number	Diff line
		@@ -110,9 +110,6 @@ public final class ShutdownThread extends Thread {
		.setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
		.build();

		private static final TimingsTraceLog SHUTDOWN_TIMINGS_LOG = new TimingsTraceLog(
		"ShutdownTiming", Trace.TRACE_TAG_SYSTEM_SERVER);

		// Metrics that will be reported to tron after reboot
		private static final ArrayMap<String, Long> TRON_METRICS = new ArrayMap<>();

		@@ -368,8 +365,6 @@ public final class ShutdownThread extends Thread {
		}

		private static void beginShutdownSequence(Context context) {
		SHUTDOWN_TIMINGS_LOG.traceBegin("SystemServerShutdown");
		metricStarted(METRIC_SYSTEM_SERVER);
		synchronized (sIsStartedGuard) {
		if (sIsStarted) {
		Log.d(TAG, "Shutdown sequence already running, returning.");
		@@ -426,6 +421,10 @@ public final class ShutdownThread extends Thread {
		* Shuts off power regardless of radio and bluetooth state if the alloted time has passed.
		*/
		public void run() {
		TimingsTraceLog shutdownTimingLog = newTimingsLog();
		shutdownTimingLog.traceBegin("SystemServerShutdown");
		metricStarted(METRIC_SYSTEM_SERVER);

		BroadcastReceiver br = new BroadcastReceiver() {
		@Override public void onReceive(Context context, Intent intent) {
		// We don't allow apps to cancel this, so ignore the result.
		@@ -452,7 +451,7 @@ public final class ShutdownThread extends Thread {
		}

		metricStarted(METRIC_SEND_BROADCAST);
		SHUTDOWN_TIMINGS_LOG.traceBegin("SendShutdownBroadcast");
		shutdownTimingLog.traceBegin("SendShutdownBroadcast");
		Log.i(TAG, "Sending shutdown broadcast...");

		// First send the high-level shut down broadcast.
		@@ -484,11 +483,11 @@ public final class ShutdownThread extends Thread {
		if (mRebootHasProgressBar) {
		sInstance.setRebootProgress(BROADCAST_STOP_PERCENT, null);
		}
		SHUTDOWN_TIMINGS_LOG.traceEnd(); // SendShutdownBroadcast
		shutdownTimingLog.traceEnd(); // SendShutdownBroadcast
		metricEnded(METRIC_SEND_BROADCAST);

		Log.i(TAG, "Shutting down activity manager...");
		SHUTDOWN_TIMINGS_LOG.traceBegin("ShutdownActivityManager");
		shutdownTimingLog.traceBegin("ShutdownActivityManager");
		metricStarted(METRIC_AM);

		final IActivityManager am =
		@@ -502,11 +501,11 @@ public final class ShutdownThread extends Thread {
		if (mRebootHasProgressBar) {
		sInstance.setRebootProgress(ACTIVITY_MANAGER_STOP_PERCENT, null);
		}
		SHUTDOWN_TIMINGS_LOG.traceEnd();// ShutdownActivityManager
		shutdownTimingLog.traceEnd();// ShutdownActivityManager
		metricEnded(METRIC_AM);

		Log.i(TAG, "Shutting down package manager...");
		SHUTDOWN_TIMINGS_LOG.traceBegin("ShutdownPackageManager");
		shutdownTimingLog.traceBegin("ShutdownPackageManager");
		metricStarted(METRIC_PM);

		final PackageManagerService pm = (PackageManagerService)
		@@ -517,17 +516,17 @@ public final class ShutdownThread extends Thread {
		if (mRebootHasProgressBar) {
		sInstance.setRebootProgress(PACKAGE_MANAGER_STOP_PERCENT, null);
		}
		SHUTDOWN_TIMINGS_LOG.traceEnd(); // ShutdownPackageManager
		shutdownTimingLog.traceEnd(); // ShutdownPackageManager
		metricEnded(METRIC_PM);

		// Shutdown radios.
		SHUTDOWN_TIMINGS_LOG.traceBegin("ShutdownRadios");
		shutdownTimingLog.traceBegin("ShutdownRadios");
		metricStarted(METRIC_RADIOS);
		shutdownRadios(MAX_RADIO_WAIT_TIME);
		if (mRebootHasProgressBar) {
		sInstance.setRebootProgress(RADIO_STOP_PERCENT, null);
		}
		SHUTDOWN_TIMINGS_LOG.traceEnd(); // ShutdownRadios
		shutdownTimingLog.traceEnd(); // ShutdownRadios
		metricEnded(METRIC_RADIOS);

		// Shutdown StorageManagerService to ensure media is in a safe state
		@@ -539,7 +538,7 @@ public final class ShutdownThread extends Thread {
		};

		Log.i(TAG, "Shutting down StorageManagerService");
		SHUTDOWN_TIMINGS_LOG.traceBegin("ShutdownStorageManager");
		shutdownTimingLog.traceBegin("ShutdownStorageManager");
		metricStarted(METRIC_SM);

		// Set initial variables and time out time.
		@@ -575,7 +574,7 @@ public final class ShutdownThread extends Thread {
		}
		}
		}
		SHUTDOWN_TIMINGS_LOG.traceEnd(); // ShutdownStorageManager
		shutdownTimingLog.traceEnd(); // ShutdownStorageManager
		metricEnded(METRIC_SM);

		if (mRebootHasProgressBar) {
		@@ -586,15 +585,27 @@ public final class ShutdownThread extends Thread {
		uncrypt();
		}

		shutdownTimingLog.traceEnd(); // SystemServerShutdown
		metricEnded(METRIC_SYSTEM_SERVER);
		saveMetrics(mReboot);
		rebootOrShutdown(mContext, mReboot, mReason);
		}

		private static TimingsTraceLog newTimingsLog() {
		return new TimingsTraceLog("ShutdownTiming", Trace.TRACE_TAG_SYSTEM_SERVER);
		}

		private static void metricStarted(String metricKey) {
		synchronized (TRON_METRICS) {
		TRON_METRICS.put(metricKey, -1 * SystemClock.elapsedRealtime());
		}
		}

		private static void metricEnded(String metricKey) {
		TRON_METRICS.put(metricKey, SystemClock.elapsedRealtime() + TRON_METRICS.get(metricKey));
		synchronized (TRON_METRICS) {
		TRON_METRICS
		.put(metricKey, SystemClock.elapsedRealtime() + TRON_METRICS.get(metricKey));
		}
		}

		private void setRebootProgress(final int progress, final CharSequence message) {
		@@ -618,6 +629,7 @@ public final class ShutdownThread extends Thread {
		final boolean[] done = new boolean[1];
		Thread t = new Thread() {
		public void run() {
		TimingsTraceLog shutdownTimingsTraceLog = newTimingsLog();
		boolean nfcOff;
		boolean bluetoothReadyForShutdown;
		boolean radioOff;
		@@ -693,7 +705,7 @@ public final class ShutdownThread extends Thread {
		if (bluetoothReadyForShutdown) {
		Log.i(TAG, "Bluetooth turned off.");
		metricEnded(METRIC_BT);
		SHUTDOWN_TIMINGS_LOG
		shutdownTimingsTraceLog
		.logDuration("ShutdownBt", TRON_METRICS.get(METRIC_BT));
		}
		}
		@@ -707,7 +719,7 @@ public final class ShutdownThread extends Thread {
		if (radioOff) {
		Log.i(TAG, "Radio turned off.");
		metricEnded(METRIC_RADIO);
		SHUTDOWN_TIMINGS_LOG
		shutdownTimingsTraceLog
		.logDuration("ShutdownRadio", TRON_METRICS.get(METRIC_RADIO));
		}
		}
		@@ -721,7 +733,7 @@ public final class ShutdownThread extends Thread {
		if (nfcOff) {
		Log.i(TAG, "NFC turned off.");
		metricEnded(METRIC_NFC);
		SHUTDOWN_TIMINGS_LOG
		shutdownTimingsTraceLog
		.logDuration("ShutdownNfc", TRON_METRICS.get(METRIC_NFC));
		}
		}
		@@ -757,9 +769,6 @@ public final class ShutdownThread extends Thread {
		* @param reason reason for reboot/shutdown
		*/
		public static void rebootOrShutdown(final Context context, boolean reboot, String reason) {
		SHUTDOWN_TIMINGS_LOG.traceEnd(); // SystemServerShutdown
		metricEnded(METRIC_SYSTEM_SERVER);
		saveMetrics(reboot);
		if (reboot) {
		Log.i(TAG, "Rebooting, reason: " + reason);
		PowerManagerService.lowLevelReboot(reason);