src/share/vm/gc/cms/parNewGeneration.cpp

rev 13328 : [mq]: webrev.0b
rev 13329 : [mq]: webrev.1
rev 13331 : imported patch webrev.3b
rev 13332 : [mq]: webrev.4

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -982,24 +982,26 @@
     &scan_without_gc_barrier, &scan_with_gc_barrier);
   rp->setup_policy(clear_all_soft_refs);
   // Can  the mt_degree be set later (at run_task() time would be best)?
   rp->set_active_mt_degree(active_workers);
   ReferenceProcessorStats stats;
+  ReferenceProcessorPhaseTimes pt(_gc_timer, rp->num_q());
   if (rp->processing_is_mt()) {
     ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
     stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                               &evacuate_followers, &task_executor,
-                                              _gc_timer);
+                                              &pt);
   } else {
     thread_state_set.flush();
     gch->save_marks();
     stats = rp->process_discovered_references(&is_alive, &keep_alive,
                                               &evacuate_followers, NULL,
-                                              _gc_timer);
+                                              &pt);
   }
   _gc_tracer.report_gc_reference_stats(stats);
   _gc_tracer.report_tenuring_threshold(tenuring_threshold());
+  pt.print_all_references();
 
   if (!promotion_failed()) {
     // Swap the survivor spaces.
     eden()->clear(SpaceDecorator::Mangle);
     from()->clear(SpaceDecorator::Mangle);

@@ -1047,18 +1049,20 @@
   update_time_of_last_gc(now);
 
   rp->set_enqueuing_is_done(true);
   if (rp->processing_is_mt()) {
     ParNewRefProcTaskExecutor task_executor(*this, *_old_gen, thread_state_set);
-    rp->enqueue_discovered_references(&task_executor);
+    rp->enqueue_discovered_references(&task_executor, &pt);
   } else {
-    rp->enqueue_discovered_references(NULL);
+    rp->enqueue_discovered_references(NULL, &pt);
   }
   rp->verify_no_references_recorded();
 
   gch->trace_heap_after_gc(gc_tracer());
 
+  pt.print_enqueue_phase();
+
   _gc_timer->register_gc_end();
 
   _gc_tracer.report_gc_end(_gc_timer->gc_end(), _gc_timer->time_partitions());
 }