Merge "Dump per uid Binder Proxy Count before ProxyMap assert" (8028c8cd) · Commits · e / os / android_frameworks_base

core/java/android/os/Binder.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -21,7 +21,9 @@ import android.annotation.Nullable;
		import android.util.ExceptionUtils;
		import android.util.Log;
		import android.util.Slog;
		import android.util.SparseIntArray;

		import com.android.internal.os.BinderInternal;
		import com.android.internal.util.FastPrintWriter;
		import com.android.internal.util.FunctionalUtils.ThrowingRunnable;
		import com.android.internal.util.FunctionalUtils.ThrowingSupplier;
		@@ -934,6 +936,7 @@ final class BinderProxy implements IBinder {
		final int totalUnclearedSize = unclearedSize();
		if (totalUnclearedSize >= CRASH_AT_SIZE) {
		dumpProxyInterfaceCounts();
		dumpPerUidProxyCounts();
		Runtime.getRuntime().gc();
		throw new AssertionError("Binder ProxyMap has too many entries: "
		+ totalSize + " (total), " + totalUnclearedSize + " (uncleared), "
		@@ -987,6 +990,20 @@ final class BinderProxy implements IBinder {
		}
		}

		/**
		* Dump per uid binder proxy counts to the logcat.
		*/
		private void dumpPerUidProxyCounts() {
		SparseIntArray counts = BinderInternal.nGetBinderProxyPerUidCounts();
		if (counts.size() == 0) return;
		Log.d(Binder.TAG, "Per Uid Binder Proxy Counts:");
		for (int i = 0; i < counts.size(); i++) {
		final int uid = counts.keyAt(i);
		final int binderCount = counts.valueAt(i);
		Log.d(Binder.TAG, "UID : " + uid + " count = " + binderCount);
		}
		}

		// Corresponding ArrayLists in the following two arrays always have the same size.
		// They contain no empty entries. However WeakReferences in the values ArrayLists
		// may have been cleared.