src/share/vm/runtime/globals.hpp

*** 3927,3936 ****
--- 3927,3939 ----
    product(intx, UnguardOnExecutionViolation, 0,                             \
            "Unguard page and retry on no-execute fault (Win32 only) "        \
            "0=off, 1=conservative, 2=aggressive")                            \
            range(0, 2)                                                       \
                                                                              \
+   product(bool, EnableConcGCPerfCounter, false,                             \
+           "Enable PerfCounter for STW in CMS GC")                           \
+                                                                             \
    /* Serviceability Support */                                              \
                                                                              \
    product(bool, ManagementServer, false,                                    \
            "Create JMX Management Server")                                   \
                                                                              \