145   static uint total_invocations() { return _total_invocations; }

   145   static uint total_invocations() { return _total_invocations; }

   146 

   146 

   147   // Reference Processing

   147   // Reference Processing

   148   static ReferenceProcessor* const ref_processor() { return _ref_processor; }

   148   static ReferenceProcessor* const ref_processor() { return _ref_processor; }

   149 

   149 

   150   static STWGCTimer* gc_timer() { return _gc_timer; }

   153   static STWGCTimer* gc_timer() { return _gc_timer; }

   151   static SerialOldTracer* gc_tracer() { return _gc_tracer; }

   154   static SerialOldTracer* gc_tracer() { return _gc_tracer; }

   152 

   155 

   153   // Call backs for marking

   156   // Call backs for marking

   154   static void mark_object(oop obj);

   157   static void mark_object(oop obj);