--- old/src/share/vm/gc/g1/vm_operations_g1.cpp 2016-05-06 09:46:14.576658200 +0900 +++ new/src/share/vm/gc/g1/vm_operations_g1.cpp 2016-05-06 09:46:14.528658200 +0900 @@ -217,6 +217,8 @@ GCTraceCPUTime tcpu; G1CollectedHeap* g1h = G1CollectedHeap::heap(); GCTraceTime(Info, gc) t(_printGCMessage, g1h->concurrent_mark()->gc_timer_cm(), GCCause::_no_gc, true); + TraceCollectorStats tcs(g1h->g1mm()->conc_collection_counters()); + SvcGCMarker sgcm(SvcGCMarker::CONCURRENT); IsGCActiveMark x; _cl->do_void(); }