--- a/src/hotspot/share/gc/z/zDriver.cpp	Thu Aug 09 15:42:48 2018 +0800
+++ b/src/hotspot/share/gc/z/zDriver.cpp	Thu Aug 09 11:24:30 2018 +0200
@@ -98,7 +98,7 @@
     ZStatSample(ZSamplerJavaThreads, Threads::number_of_threads());
 
     // JVMTI support
-    SvcGCMarker sgcm(SvcGCMarker::OTHER);
+    SvcGCMarker sgcm(SvcGCMarker::CONCURRENT);
 
     // Setup GC id
     GCIdMark gcid(_gc_id);