--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Fri Mar 27 01:35:39 2009 -0500
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp	Fri Mar 27 14:35:44 2009 -0400
@@ -1637,7 +1637,9 @@
   double obj_copy_time = avg_value(_par_last_obj_copy_times_ms);
   double termination_time = avg_value(_par_last_termination_times_ms);
 
-  double parallel_other_time;
+  double parallel_other_time = _cur_collection_par_time_ms -
+    (update_rs_time + ext_root_scan_time + mark_stack_scan_time +
+     scan_only_time + scan_rs_time + obj_copy_time + termination_time);
   if (update_stats) {
     MainBodySummary* body_summary = summary->main_body_summary();
     guarantee(body_summary != NULL, "should not be null!");
@@ -1656,9 +1658,6 @@
       body_summary->record_parallel_time_ms(_cur_collection_par_time_ms);
       body_summary->record_clear_ct_time_ms(_cur_clear_ct_time_ms);
       body_summary->record_termination_time_ms(termination_time);
-      parallel_other_time = _cur_collection_par_time_ms -
-        (update_rs_time + ext_root_scan_time + mark_stack_scan_time +
-         scan_only_time + scan_rs_time + obj_copy_time + termination_time);
       body_summary->record_parallel_other_time_ms(parallel_other_time);
     }
     body_summary->record_mark_closure_time_ms(_mark_closure_time_ms);
@@ -1803,8 +1802,10 @@
     gclog_or_tty->print_cr("]");
 
   _all_pause_times_ms->add(elapsed_ms);
-  summary->record_total_time_ms(elapsed_ms);
-  summary->record_other_time_ms(other_time_ms);
+  if (update_stats) {
+    summary->record_total_time_ms(elapsed_ms);
+    summary->record_other_time_ms(other_time_ms);
+  }
   for (int i = 0; i < _aux_num; ++i)
     if (_cur_aux_times_set[i])
       _all_aux_times_ms[i].add(_cur_aux_times_ms[i]);

--- a/hotspot/src/share/vm/gc_implementation/g1/g1RemSet.cpp	Fri Mar 27 01:35:39 2009 -0500
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1RemSet.cpp	Fri Mar 27 14:35:44 2009 -0400
@@ -511,9 +511,17 @@
     if (G1EnableParallelRSetUpdating || (worker_i == 0)) {
       updateRS(worker_i);
       scanNewRefsRS(oc, worker_i);
+    } else {
+      _g1p->record_update_rs_start_time(worker_i, os::elapsedTime());
+      _g1p->record_update_rs_processed_buffers(worker_i, 0.0);
+      _g1p->record_update_rs_time(worker_i, 0.0);
+      _g1p->record_scan_new_refs_time(worker_i, 0.0);
     }
     if (G1EnableParallelRSetScanning || (worker_i == 0)) {
       scanRS(oc, worker_i);
+    } else {
+      _g1p->record_scan_rs_start_time(worker_i, os::elapsedTime());
+      _g1p->record_scan_rs_time(worker_i, 0.0);
     }
   } else {
     assert(worker_i == 0, "invariant");