src/share/vm/gc/g1/g1ConcurrentMark.cpp

rev 13328 : [mq]: webrev.0b
rev 13331 : imported patch webrev.3b
rev 13332 : [mq]: webrev.4

@@ -1716,31 +1716,37 @@
     // the number of threads involved during discovery could differ from
     // the number of active workers.  This is OK as long as the discovered
     // Reference lists are balanced (see balance_all_queues() and balance_queues()).
     rp->set_active_mt_degree(active_workers);
 
+    ReferenceProcessorPhaseTimes pt(_gc_timer_cm, rp->num_q());
+
     // Process the weak references.
     const ReferenceProcessorStats& stats =
         rp->process_discovered_references(&g1_is_alive,
                                           &g1_keep_alive,
                                           &g1_drain_mark_stack,
                                           executor,
-                                          _gc_timer_cm);
+                                          &pt);
     _gc_tracer_cm->report_gc_reference_stats(stats);
+    pt.print_all_references();
 
     // The do_oop work routines of the keep_alive and drain_marking_stack
     // oop closures will set the has_overflown flag if we overflow the
     // global marking stack.
 
     assert(has_overflown() || _global_mark_stack.is_empty(),
             "Mark stack should be empty (unless it has overflown)");
 
     assert(rp->num_q() == active_workers, "why not");
 
-    rp->enqueue_discovered_references(executor);
+    rp->enqueue_discovered_references(executor, &pt);
 
     rp->verify_no_references_recorded();
+
+    pt.print_enqueue_phase();
+
     assert(!rp->discovery_enabled(), "Post condition");
   }
 
   if (has_overflown()) {
     // We can not trust g1_is_alive if the marking stack overflowed