--- old/src/share/vm/runtime/perfData.cpp	2013-02-19 13:49:04.283016720 +0100
+++ new/src/share/vm/runtime/perfData.cpp	2013-02-19 13:49:04.167015304 +0100
@@ -320,6 +320,10 @@
   }
 }
 
+PerfData* PerfDataManager::find_by_name(const char* name) {
+  return _all->find_by_name(name);
+}
+
 PerfDataList* PerfDataManager::all() {
 
   MutexLocker ml(PerfDataManager_lock);
--- old/src/share/vm/runtime/perfData.hpp	2013-02-19 13:49:04.751022434 +0100
+++ new/src/share/vm/runtime/perfData.hpp	2013-02-19 13:49:04.635021017 +0100
@@ -692,6 +692,9 @@
     // the given name.
     static bool exists(const char* name) { return _all->contains(name); }
 
+    // method to search for a instrumentation object by name
+    static PerfData* find_by_name(const char* name);
+
     // method to map a CounterNS enumeration to a namespace string
     static const char* ns_to_string(CounterNS ns) {
       return _name_spaces[ns];