--- a/hotspot/src/share/vm/runtime/statSampler.cpp	Mon Nov 02 09:11:55 2015 -0800
+++ b/hotspot/src/share/vm/runtime/statSampler.cpp	Wed Nov 04 11:00:29 2015 -0800
@@ -223,6 +223,7 @@
   "java.vm.name",
   "java.vm.vendor",
   "java.vm.info",
+  "jdk.debug",
   "java.library.path",
   "java.class.path",
   "java.version",