Merge "Log app start memory state in background" (a2a32b6c) · Commits · e / os / android_frameworks_base

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

+17 −20

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@ import android.util.SparseIntArray;
		import android.util.StatsLog;

		import com.android.internal.logging.MetricsLogger;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.os.SomeArgs;
		import com.android.server.LocalServices;

		@@ -74,8 +75,6 @@ class ActivityMetricsLogger {
		private static final long INVALID_START_TIME = -1;

		private static final int MSG_CHECK_VISIBILITY = 0;
		private static final int MSG_LOG_APP_TRANSITION = 1;
		private static final int MSG_LOG_APP_START_MEMORY_STATE_CAPTURE = 2;

		// Preallocated strings we are sending to tron, so we don't have to allocate a new one every
		// time we log.
		@@ -116,13 +115,6 @@ class ActivityMetricsLogger {
		final SomeArgs args = (SomeArgs) msg.obj;
		checkVisibility((TaskRecord) args.arg1, (ActivityRecord) args.arg2);
		break;
		case MSG_LOG_APP_TRANSITION:
		logAppTransition(msg.arg1, msg.arg2,
		(WindowingModeTransitionInfoSnapshot) msg.obj);
		break;
		case MSG_LOG_APP_START_MEMORY_STATE_CAPTURE:
		logAppStartMemoryStateCapture((WindowingModeTransitionInfo) msg.obj);
		break;
		}
		}
		}
		@@ -141,11 +133,13 @@ class ActivityMetricsLogger {

		private final class WindowingModeTransitionInfoSnapshot {
		final private ApplicationInfo applicationInfo;
		final private ProcessRecord processRecord;
		final private String packageName;
		final private String launchedActivityName;
		final private String launchedActivityLaunchedFromPackage;
		final private String launchedActivityLaunchToken;
		final private String launchedActivityAppRecordRequiredAbi;
		final private String processName;
		final private int reason;
		final private int startingWindowDelayMs;
		final private int bindApplicationDelayMs;
		@@ -166,6 +160,8 @@ class ActivityMetricsLogger {
		bindApplicationDelayMs = info.bindApplicationDelayMs;
		windowsDrawnDelayMs = info.windowsDrawnDelayMs;
		type = getTransitionType(info);
		processRecord = findProcessForActivity(info.launchedActivity);
		processName = info.launchedActivity.processName;
		}
		}

		@@ -505,15 +501,16 @@ class ActivityMetricsLogger {
		// This will avoid any races with other operations that modify the ActivityRecord.
		final WindowingModeTransitionInfoSnapshot infoSnapshot =
		new WindowingModeTransitionInfoSnapshot(info);
		mHandler.obtainMessage(MSG_LOG_APP_TRANSITION, mCurrentTransitionDeviceUptime,
		mCurrentTransitionDelayMs, infoSnapshot).sendToTarget();
		final int currentTransitionDeviceUptime = mCurrentTransitionDeviceUptime;
		final int currentTransitionDelayMs = mCurrentTransitionDelayMs;
		BackgroundThread.getHandler().post(() -> logAppTransition(
		currentTransitionDeviceUptime, currentTransitionDelayMs, infoSnapshot));

		info.launchedActivity.info.launchToken = null;
		mHandler.obtainMessage(MSG_LOG_APP_START_MEMORY_STATE_CAPTURE, info).sendToTarget();
		}
		}

		// This gets called on the handler without holding the activity manager lock.
		// This gets called on a background thread without holding the activity manager lock.
		private void logAppTransition(int currentTransitionDeviceUptime, int currentTransitionDelayMs,
		WindowingModeTransitionInfoSnapshot info) {
		final LogMaker builder = new LogMaker(APP_TRANSITION);
		@@ -572,6 +569,7 @@ class ActivityMetricsLogger {
		launchToken,
		packageOptimizationInfo.getCompilationReason(),
		packageOptimizationInfo.getCompilationFilter());
		logAppStartMemoryStateCapture(info);
		}

		private int convertAppStartTransitionType(int tronType) {
		@@ -629,15 +627,14 @@ class ActivityMetricsLogger {
		return -1;
		}

		private void logAppStartMemoryStateCapture(WindowingModeTransitionInfo info) {
		final ProcessRecord processRecord = findProcessForActivity(info.launchedActivity);
		if (processRecord == null) {
		private void logAppStartMemoryStateCapture(WindowingModeTransitionInfoSnapshot info) {
		if (info.processRecord == null) {
		if (DEBUG_METRICS) Slog.i(TAG, "logAppStartMemoryStateCapture processRecord null");
		return;
		}

		final int pid = processRecord.pid;
		final int uid = info.launchedActivity.appInfo.uid;
		final int pid = info.processRecord.pid;
		final int uid = info.applicationInfo.uid;
		final MemoryStat memoryStat = readMemoryStatFromMemcg(uid, pid);
		if (memoryStat == null) {
		if (DEBUG_METRICS) Slog.i(TAG, "logAppStartMemoryStateCapture memoryStat null");
		@@ -647,8 +644,8 @@ class ActivityMetricsLogger {
		StatsLog.write(
		StatsLog.APP_START_MEMORY_STATE_CAPTURED,
		uid,
		info.launchedActivity.processName,
		info.launchedActivity.info.name,
		info.processName,
		info.launchedActivityName,
		memoryStat.pgfault,
		memoryStat.pgmajfault,
		memoryStat.rssInBytes,