src/share/vm/gc/shared/referenceProcessor.hpp

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

@@ -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.

@@ -24,10 +24,11 @@
 
 #ifndef SHARE_VM_GC_SHARED_REFERENCEPROCESSOR_HPP
 #define SHARE_VM_GC_SHARED_REFERENCEPROCESSOR_HPP
 
 #include "gc/shared/referencePolicy.hpp"
+#include "gc/shared/referenceProcessorPhaseTimes.hpp"
 #include "gc/shared/referenceProcessorStats.hpp"
 #include "memory/referenceType.hpp"
 #include "oops/instanceRefKlass.hpp"
 
 class GCTimer;

@@ -166,11 +167,11 @@
 };
 
 class ReferenceProcessor : public CHeapObj<mtGC> {
 
  private:
-  size_t total_count(DiscoveredList lists[]);
+  size_t total_count(DiscoveredList lists[]) const;
 
  protected:
   // The SoftReference master timestamp clock
   static jlong _soft_ref_timestamp_clock;
 

@@ -240,11 +241,12 @@
                                   ReferencePolicy*             policy,
                                   bool                         clear_referent,
                                   BoolObjectClosure*           is_alive,
                                   OopClosure*                  keep_alive,
                                   VoidClosure*                 complete_gc,
-                                  AbstractRefProcTaskExecutor* task_executor);
+                                  AbstractRefProcTaskExecutor*  task_executor,
+                                  ReferenceProcessorPhaseTimes* phase_times);
 
   void process_phaseJNI(BoolObjectClosure* is_alive,
                         OopClosure*        keep_alive,
                         VoidClosure*       complete_gc);
 

@@ -308,11 +310,12 @@
 
   // Returns the name of the discovered reference list
   // occupying the i / _num_q slot.
   const char* list_name(uint i);
 
-  void enqueue_discovered_reflists(AbstractRefProcTaskExecutor* task_executor);
+  void enqueue_discovered_reflists(AbstractRefProcTaskExecutor* task_executor,
+                                   ReferenceProcessorPhaseTimes* phase_times);
 
  protected:
   // "Preclean" the given discovered reference list
   // by removing references with strongly reachable referents.
   // Currently used in support of CMS only.

@@ -418,20 +421,23 @@
   ReferenceProcessorStats
   process_discovered_references(BoolObjectClosure*           is_alive,
                                 OopClosure*                  keep_alive,
                                 VoidClosure*                 complete_gc,
                                 AbstractRefProcTaskExecutor* task_executor,
-                                GCTimer *gc_timer);
+                                ReferenceProcessorPhaseTimes* phase_times);
 
   // Enqueue references at end of GC (called by the garbage collector)
-  void enqueue_discovered_references(AbstractRefProcTaskExecutor* task_executor = NULL);
+  void enqueue_discovered_references(AbstractRefProcTaskExecutor* task_executor,
+                                     ReferenceProcessorPhaseTimes* phase_times);
 
   // If a discovery is in process that is being superceded, abandon it: all
   // the discovered lists will be empty, and all the objects on them will
   // have NULL discovered fields.  Must be called only at a safepoint.
   void abandon_partial_discovery();
 
+  size_t total_reference_count(ReferenceType rt) const;
+
   // debugging
   void verify_no_references_recorded() PRODUCT_RETURN;
   void verify_referent(oop obj)        PRODUCT_RETURN;
 };
 

@@ -584,13 +590,15 @@
 // Abstract reference processing task to execute.
 class AbstractRefProcTaskExecutor::ProcessTask {
 protected:
   ProcessTask(ReferenceProcessor& ref_processor,
               DiscoveredList      refs_lists[],
-              bool                marks_oops_alive)
+              bool                          marks_oops_alive,
+              ReferenceProcessorPhaseTimes* phase_times)
     : _ref_processor(ref_processor),
       _refs_lists(refs_lists),
+      _phase_times(phase_times),
       _marks_oops_alive(marks_oops_alive)
   { }
 
 public:
   virtual void work(unsigned int work_id, BoolObjectClosure& is_alive,

@@ -602,29 +610,33 @@
   { return _marks_oops_alive; }
 
 protected:
   ReferenceProcessor& _ref_processor;
   DiscoveredList*     _refs_lists;
+  ReferenceProcessorPhaseTimes* _phase_times;
   const bool          _marks_oops_alive;
 };
 
 // Abstract reference processing task to execute.
 class AbstractRefProcTaskExecutor::EnqueueTask {
 protected:
   EnqueueTask(ReferenceProcessor& ref_processor,
               DiscoveredList      refs_lists[],
-              int                 n_queues)
+              int                           n_queues,
+              ReferenceProcessorPhaseTimes* phase_times)
     : _ref_processor(ref_processor),
       _refs_lists(refs_lists),
-      _n_queues(n_queues)
+      _n_queues(n_queues),
+      _phase_times(phase_times)
   { }
 
 public:
   virtual void work(unsigned int work_id) = 0;
 
 protected:
   ReferenceProcessor& _ref_processor;
   DiscoveredList*     _refs_lists;
+  ReferenceProcessorPhaseTimes* _phase_times;
   int                 _n_queues;
 };
 
 #endif // SHARE_VM_GC_SHARED_REFERENCEPROCESSOR_HPP