Merge "Dump proxy debug info when exceeding proxy limit." into pi-dev

am: 879d09f946

Change-Id: I02d14f682c6476b703d160dab911a3afc14af627

core/java/android/os/Binder.java

@@ -137,6 +137,15 @@ public class Binder implements IBinder {
         sTracingEnabled = false;
     }
 
+    /**
+     * Dump proxy debug information.
+     *
+     * @hide
+     */
+    public static void dumpProxyDebugInfo() {
+        BinderProxy.dumpProxyDebugInfo();
+    }
+
     /**
      * Check if binder transaction tracing is enabled.
      *
@@ -941,8 +950,7 @@ final class BinderProxy implements IBinder {
                     // about to crash.
                     final int totalUnclearedSize = unclearedSize();
                     if (totalUnclearedSize >= CRASH_AT_SIZE) {
-                        dumpProxyInterfaceCounts();
-                        dumpPerUidProxyCounts();
+                        dumpProxyDebugInfo();
                         Runtime.getRuntime().gc();
                         throw new AssertionError("Binder ProxyMap has too many entries: "
                                 + totalSize + " (total), " + totalUnclearedSize + " (uncleared), "
@@ -1026,6 +1034,14 @@ final class BinderProxy implements IBinder {
 
     private static ProxyMap sProxyMap = new ProxyMap();
 
+    /**
+      * @hide
+      */
+    public static void dumpProxyDebugInfo() {
+        sProxyMap.dumpProxyInterfaceCounts();
+        sProxyMap.dumpPerUidProxyCounts();
+    }
+
     /**
      * Return a BinderProxy for IBinder.
      * This method is thread-hostile!  The (native) caller serializes getInstance() calls using

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

@@ -15174,6 +15174,7 @@ public class ActivityManagerService extends IActivityManager.Stub
                         public void onLimitReached(int uid) {
                             Slog.wtf(TAG, "Uid " + uid + " sent too many Binders to uid "
                                     + Process.myUid());
+                            Binder.dumpProxyDebugInfo();
                             if (uid == Process.SYSTEM_UID) {
                                 Slog.i(TAG, "Skipping kill (uid is SYSTEM)");
                             } else {