diff -r 8c0269fb855b -r 261ecc5bb65e hotspot/src/share/vm/runtime/globals.hpp
--- a/hotspot/src/share/vm/runtime/globals.hpp	Mon May 17 07:11:27 2010 -0700
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Thu May 20 01:34:22 2010 -0700
@@ -2764,6 +2764,9 @@
   product(intx, NmethodSweepFraction, 4,                                    \
           "Number of invocations of sweeper to cover all nmethods")         \
                                                                             \
+  product(intx, NmethodSweepCheckInterval, 5,                               \
+          "Compilers wake up every n seconds to possibly sweep nmethods")   \
+                                                                            \
   notproduct(intx, MemProfilingInterval, 500,                               \
           "Time between each invocation of the MemProfiler")                \
                                                                             \