--- old/src/share/vm/gc_implementation/g1/g1_globals.hpp	2013-05-28 10:04:34.584576374 +0200
+++ new/src/share/vm/gc_implementation/g1/g1_globals.hpp	2013-05-28 10:04:34.320576381 +0200
@@ -62,7 +62,11 @@
   diagnostic(bool, G1SummarizeRSetStats, false,                             \
           "Summarize remembered set processing info")                       \
                                                                             \
-  diagnostic(intx, G1SummarizeRSetStatsPeriod, 0,                           \
+  diagnostic(uintx, G1SummarizeRSetStatsTime, 1,                            \
+          "The time at which remembered set summary statistics are "        \
+          "printed. (1 = end of GC, 2 = start of GC, 3 = both).")           \
+                                                                            \
+  diagnostic(uintx, G1SummarizeRSetStatsPeriod, 0,                          \
           "The period (in number of GCs) at which we will generate "        \
           "update buffer processing info "                                  \
           "(0 means do not periodically generate this info); "              \