--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	2013-08-22 11:23:52.199721252 +0200
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	2013-08-22 11:23:52.111721253 +0200
@@ -2493,11 +2493,11 @@
 
 void G1CollectedHeap::register_concurrent_cycle_end() {
   if (_concurrent_cycle_started) {
-    _gc_timer_cm->register_gc_end(os::elapsed_counter());
-
     if (_cm->has_aborted()) {
       _gc_tracer_cm->report_concurrent_mode_failure();
     }
+
+    _gc_timer_cm->register_gc_end(os::elapsed_counter());
     _gc_tracer_cm->report_gc_end(_gc_timer_cm->gc_end(), _gc_timer_cm->time_partitions());
 
     _concurrent_cycle_started = false;