--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Apr 21 01:16:20 2011 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Apr 21 10:23:44 2011 -0700
@@ -1161,6 +1161,7 @@
     TraceTime t(system_gc ? "Full GC (System.gc())" : "Full GC",
                 PrintGC, true, gclog_or_tty);
 
+    TraceCollectorStats tcs(g1mm()->full_collection_counters());
     TraceMemoryManagerStats tms(true /* fullGC */);
 
     double start = os::elapsedTime();
@@ -1339,6 +1340,7 @@
   if (PrintHeapAtGC) {
     Universe::print_heap_after_gc();
   }
+  g1mm()->update_counters();
 
   return true;
 }
@@ -1971,6 +1973,10 @@
 
   init_mutator_alloc_region();
 
+  // Do create of the monitoring and management support so that
+  // values in the heap have been properly initialized.
+  _g1mm = new G1MonitoringSupport(this, &_g1_storage);
+
   return JNI_OK;
 }
 
@@ -3186,6 +3192,7 @@
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
     TraceTime t(verbose_str, PrintGC && !PrintGCDetails, true, gclog_or_tty);
 
+    TraceCollectorStats tcs(g1mm()->incremental_collection_counters());
     TraceMemoryManagerStats tms(false /* fullGC */);
 
     // If the secondary_free_list is not empty, append it to the
@@ -3425,6 +3432,8 @@
   if (PrintHeapAtGC) {
     Universe::print_heap_after_gc();
   }
+  g1mm()->update_counters();
+
   if (G1SummarizeRSetStats &&
       (G1SummarizeRSetStatsPeriod > 0) &&
       (total_collections() % G1SummarizeRSetStatsPeriod == 0)) {
@@ -5338,6 +5347,7 @@
     if (new_alloc_region != NULL) {
       g1_policy()->update_region_num(true /* next_is_young */);
       set_region_short_lived_locked(new_alloc_region);
+      g1mm()->update_eden_counters();
       return new_alloc_region;
     }
   }