src/share/vm/gc/g1/workerDataArray.hpp

*** 47,63 ****
    void set_thread_work_item(uint worker_i, size_t value);
    WorkerDataArray<size_t>* thread_work_items() const {
      return _thread_work_items;
    }
  
!   inline T uninitialized() const;
  
    void set(uint worker_i, T value);
    T get(uint worker_i) const;
  
    void add(uint worker_i, T value);
  
    double average() const;
    T sum() const;
  
    const char* title() const {
      return _title;
--- 47,64 ----
    void set_thread_work_item(uint worker_i, size_t value);
    WorkerDataArray<size_t>* thread_work_items() const {
      return _thread_work_items;
    }
  
!   static T uninitialized();
  
    void set(uint worker_i, T value);
    T get(uint worker_i) const;
  
    void add(uint worker_i, T value);
  
+   // The sum() and average() methods below consider uninitialized slots to be 0.
    double average() const;
    T sum() const;
  
    const char* title() const {
      return _title;
*** 68,79 ****
  
  
   private:
    class WDAPrinter {
    public:
!     static void summary(outputStream* out, const char* title, double min, double avg, double max, double diff, double sum, bool print_sum);
!     static void summary(outputStream* out, const char* title, size_t min, double avg, size_t max, size_t diff, size_t sum, bool print_sum);
  
      static void details(const WorkerDataArray<double>* phase, outputStream* out);
      static void details(const WorkerDataArray<size_t>* phase, outputStream* out);
    };
  
--- 69,80 ----
  
  
   private:
    class WDAPrinter {
    public:
!     static void summary(outputStream* out, double min, double avg, double max, double diff, double sum, bool print_sum);
!     static void summary(outputStream* out, size_t min, double avg, size_t max, size_t diff, size_t sum, bool print_sum);
  
      static void details(const WorkerDataArray<double>* phase, outputStream* out);
      static void details(const WorkerDataArray<size_t>* phase, outputStream* out);
    };