Merge "Looper: Add sysprop for verbose slow message logging" into main (c5677bfc) · Commits · e / os / android_frameworks_base

core/java/android/os/Looper.java

+18 −7

Original line number	Diff line number	Diff line
		@@ -70,6 +70,13 @@ public final class Looper {

		private static final String TAG = "Looper";

		private static class NoImagePreloadHolder {
		// Enable/Disable verbose logging with a system prop. e.g.
		// adb shell 'setprop log.looper.slow.verbose false && stop && start'
		private static final boolean sVerboseLogging =
		SystemProperties.getBoolean("log.looper.slow.verbose", false);
		}

		// sThreadLocal.get() will return null unless you've called prepare().
		@UnsupportedAppUsage
		static final ThreadLocal<Looper> sThreadLocal = new ThreadLocal<Looper>();
		@@ -246,19 +253,23 @@ public final class Looper {
		}
		}
		if (logSlowDelivery) {
		boolean slow = false;

		if (!me.mSlowDeliveryDetected \|\| NoImagePreloadHolder.sVerboseLogging) {
		slow = showSlowLog(slowDeliveryThresholdMs, msg.when, dispatchStart,
		"delivery", msg);
		}
		if (me.mSlowDeliveryDetected) {
		if ((dispatchStart - msg.when) <= 10) {
		if (!slow && (dispatchStart - msg.when) <= 10) {
		Slog.w(TAG, "Drained");
		me.mSlowDeliveryDetected = false;
		}
		} else {
		if (showSlowLog(slowDeliveryThresholdMs, msg.when, dispatchStart, "delivery",
		msg)) {
		// Once we write a slow delivery log, suppress until the queue drains.
		} else if (slow) {
		// A slow delivery is detected, suppressing further logs unless verbose logging
		// is enabled.
		me.mSlowDeliveryDetected = true;
		}
		}
		}
		if (logSlowDispatch) {
		showSlowLog(slowDispatchThresholdMs, dispatchStart, dispatchEnd, "dispatch", msg);
		}