--- old/src/share/vm/gc/g1/vm_operations_g1.cpp	2016-03-09 21:22:12.908765011 +0900
+++ new/src/share/vm/gc/g1/vm_operations_g1.cpp	2016-03-09 21:22:12.710765762 +0900
@@ -229,6 +229,8 @@
   GCTraceCPUTime tcpu;
   G1CollectedHeap* g1h = G1CollectedHeap::heap();
   GCTraceTime(Info, gc) t(_printGCMessage, g1h->gc_timer_cm(), GCCause::_no_gc, true);
+  TraceCollectorStats tcs(g1h->g1mm()->conc_collection_counters());
+  SvcGCMarker sgcm(SvcGCMarker::CONCURRENT);
   IsGCActiveMark x;
   _cl->do_void();
 }