--- old/src/share/classes/sun/misc/PerfCounter.java	2013-02-25 14:41:13.033624476 +0100
+++ new/src/share/classes/sun/misc/PerfCounter.java	2013-02-25 14:41:12.849622219 +0100
@@ -125,6 +125,7 @@
     }
 
     static class CoreCounters {
+        static final PerfCounter thrownThrowables = newPerfCounter("sun.throwables.numThrowables");
         static final PerfCounter pdt   = newPerfCounter("sun.classloader.parentDelegationTime");
         static final PerfCounter lc    = newPerfCounter("sun.classloader.findClasses");
         static final PerfCounter lct   = newPerfCounter("sun.classloader.findClassTime");
@@ -188,4 +189,11 @@
     public static PerfCounter getD3DAvailable() {
         return WindowsClientCounters.d3dAvailable;
     }
+
+    /**
+     * Number of Throwables Thrown
+     */
+    public static PerfCounter getThrownThrowables() {
+        return CoreCounters.thrownThrowables;
+    }
 }