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src/hotspot/share/gc/shared/workerDataArray.hpp

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rev 54087 : imported patch 8218668-reorganize-collection-set


  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_GC_SHARED_WORKERDATAARRAY_HPP
  26 #define SHARE_GC_SHARED_WORKERDATAARRAY_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 class outputStream;
  32 
  33 template <class T>
  34 class WorkerDataArray  : public CHeapObj<mtGC> {
  35   friend class WDAPrinter;
  36 public:
  37   static const uint MaxThreadWorkItems = 4;
  38 private:
  39   T*          _data;
  40   uint        _length;
  41   const char* _title;
  42 
  43   WorkerDataArray<size_t>* _thread_work_items[MaxThreadWorkItems];
  44 
  45  public:
  46   WorkerDataArray(uint length, const char* title);
  47   ~WorkerDataArray();
  48 
  49   void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items, uint index = 0);
  50   void set_thread_work_item(uint worker_i, size_t value, uint index = 0);
  51   void add_thread_work_item(uint worker_i, size_t value, uint index = 0);
  52   void set_or_add_thread_work_item(uint worker_i, size_t value, uint index = 0);

  53 
  54   WorkerDataArray<size_t>* thread_work_items(uint index = 0) const {
  55     assert(index < MaxThreadWorkItems, "Tried to access thread work item %u max %u", index, MaxThreadWorkItems);
  56     return _thread_work_items[index];
  57   }
  58 
  59   static T uninitialized();
  60 
  61   void set(uint worker_i, T value);
  62   T get(uint worker_i) const;
  63 
  64   void add(uint worker_i, T value);
  65 
  66   // The sum() and average() methods below consider uninitialized slots to be 0.
  67   double average() const;
  68   T sum() const;
  69 
  70   const char* title() const {
  71     return _title;
  72   }




  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_GC_SHARED_WORKERDATAARRAY_HPP
  26 #define SHARE_GC_SHARED_WORKERDATAARRAY_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 class outputStream;
  32 
  33 template <class T>
  34 class WorkerDataArray  : public CHeapObj<mtGC> {
  35   friend class WDAPrinter;
  36 public:
  37   static const uint MaxThreadWorkItems = 5;
  38 private:
  39   T*          _data;
  40   uint        _length;
  41   const char* _title;
  42 
  43   WorkerDataArray<size_t>* _thread_work_items[MaxThreadWorkItems];
  44 
  45  public:
  46   WorkerDataArray(uint length, const char* title);
  47   ~WorkerDataArray();
  48 
  49   void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items, uint index = 0);
  50   void set_thread_work_item(uint worker_i, size_t value, uint index = 0);
  51   void add_thread_work_item(uint worker_i, size_t value, uint index = 0);
  52   void set_or_add_thread_work_item(uint worker_i, size_t value, uint index = 0);
  53   size_t get_thread_work_item(uint worker_i, uint index = 0);
  54 
  55   WorkerDataArray<size_t>* thread_work_items(uint index = 0) const {
  56     assert(index < MaxThreadWorkItems, "Tried to access thread work item %u max %u", index, MaxThreadWorkItems);
  57     return _thread_work_items[index];
  58   }
  59 
  60   static T uninitialized();
  61 
  62   void set(uint worker_i, T value);
  63   T get(uint worker_i) const;
  64 
  65   void add(uint worker_i, T value);
  66 
  67   // The sum() and average() methods below consider uninitialized slots to be 0.
  68   double average() const;
  69   T sum() const;
  70 
  71   const char* title() const {
  72     return _title;
  73   }


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