src/share/vm/runtime/sweeper.hpp

rev 5685 : 8028128: Add a type safe alternative for working with counter based data
Reviewed-by:

@@ -23,10 +23,11 @@
  */
 
 #ifndef SHARE_VM_RUNTIME_SWEEPER_HPP
 #define SHARE_VM_RUNTIME_SWEEPER_HPP
 
+#include "utilities/ticks.hpp"
 // An NmethodSweeper is an incremental cleaner for:
 //    - cleanup inline caches
 //    - reclamation of nmethods
 // Removing nmethods from the code cache includes two operations
 //  1) mark active nmethods

@@ -69,14 +70,14 @@
                                                   //   1) alive       -> not_entrant
                                                   //   2) not_entrant -> zombie
                                                   //   3) zombie      -> marked_for_reclamation
   // Stat counters
   static int       _total_nof_methods_reclaimed;  // Accumulated nof methods flushed
-  static jlong     _total_time_sweeping;          // Accumulated time sweeping
-  static jlong     _total_time_this_sweep;        // Total time this sweep
-  static jlong     _peak_sweep_time;              // Peak time for a full sweep
-  static jlong     _peak_sweep_fraction_time;     // Peak time sweeping one fraction
+  static Tickspan  _total_time_sweeping;          // Accumulated time sweeping
+  static Tickspan  _total_time_this_sweep;        // Total time this sweep
+  static Tickspan  _peak_sweep_time;              // Peak time for a full sweep
+  static Tickspan  _peak_sweep_fraction_time;     // Peak time sweeping one fraction
 
   static int  process_nmethod(nmethod *nm);
   static void release_nmethod(nmethod* nm);
 
   static bool sweep_in_progress();

@@ -85,13 +86,13 @@
   static int _hotness_counter_reset_val;
 
  public:
   static long traversal_count()              { return _traversals; }
   static int  total_nof_methods_reclaimed()  { return _total_nof_methods_reclaimed; }
-  static jlong total_time_sweeping()         { return _total_time_sweeping; }
-  static jlong peak_sweep_time()             { return _peak_sweep_time; }
-  static jlong peak_sweep_fraction_time()    { return _peak_sweep_fraction_time; }
+  static const Tickspan total_time_sweeping()      { return _total_time_sweeping; }
+  static const Tickspan peak_sweep_time()          { return _peak_sweep_time; }
+  static const Tickspan peak_sweep_fraction_time() { return _peak_sweep_fraction_time; }
   static void log_sweep(const char* msg, const char* format = NULL, ...);
 
 
 #ifdef ASSERT
   static bool is_sweeping(nmethod* which) { return _current == which; }