--- old/src/share/vm/gc/g1/g1ConcurrentMark.cpp	2016-03-18 22:52:37.849171006 +0900
+++ new/src/share/vm/gc/g1/g1ConcurrentMark.cpp	2016-03-18 22:52:37.690171683 +0900
@@ -1072,8 +1072,6 @@
     return;
   }
 
-  SvcGCMarker sgcm(SvcGCMarker::OTHER);
-
   if (VerifyDuringGC) {
     HandleMark hm;  // handle scope
     g1h->prepare_for_verify();