--- old/src/share/vm/runtime/globals.hpp	2013-08-21 13:03:00.734095230 +0200
+++ new/src/share/vm/runtime/globals.hpp	2013-08-21 13:03:00.666095232 +0200
@@ -2823,6 +2823,9 @@
   product(intx, NmethodSweepCheckInterval, 5,                               \
           "Compilers wake up every n seconds to possibly sweep nmethods")   \
                                                                             \
+  product(intx, NmethodSweepActivity, 10,                                   \
+          "Higher values result in more aggressive sweeping")               \
+                                                                            \
   notproduct(bool, LogSweeper, false,                                       \
             "Keep a ring buffer of sweeper activity")                       \
                                                                             \