src/share/vm/gc_implementation/shared/plab.hpp

*** 145,169 ****
  // PLAB book-keeping.
  class PLABStats VALUE_OBJ_CLASS_SPEC {
    size_t _allocated;      // Total allocated
    size_t _wasted;         // of which wasted (internal fragmentation)
    size_t _unused;         // Unused in last buffer
!   size_t _desired_plab_sz;// Output of filter (below), suitably trimmed and quantized
    AdaptiveWeightedAverage
           _filter;         // Integrator with decay
  
    void reset() {
      _allocated = 0;
      _wasted    = 0;
      _unused    = 0;
    }
   public:
!   PLABStats(size_t desired_plab_sz_, unsigned wt) :
      _allocated(0),
      _wasted(0),
      _unused(0),
!     _desired_plab_sz(desired_plab_sz_),
      _filter(wt)
    { }
  
    static const size_t min_size() {
      return PLAB::min_size();
--- 145,169 ----
  // PLAB book-keeping.
  class PLABStats VALUE_OBJ_CLASS_SPEC {
    size_t _allocated;          // Total allocated
    size_t _wasted;             // of which wasted (internal fragmentation)
    size_t _unused;             // Unused in last buffer
!   size_t _desired_net_plab_sz;// Output of filter (below), suitably trimmed and quantized
    AdaptiveWeightedAverage
           _filter;             // Integrator with decay
  
    void reset() {
      _allocated = 0;
      _wasted    = 0;
      _unused    = 0;
    }
   public:
!   PLABStats(size_t _desired_net_plab_sz, unsigned wt) :
      _allocated(0),
      _wasted(0),
      _unused(0),
!     _desired_net_plab_sz(_desired_net_plab_sz),
      _filter(wt)
    { }
  
    static const size_t min_size() {
      return PLAB::min_size();
*** 171,187 ****
  
    static const size_t max_size() {
      return PLAB::max_size();
    }
  
!   size_t desired_plab_sz() {
!     return _desired_plab_sz;
!   }
  
!   // Updates the current desired PLAB size. Computes the new desired PLAB size,
    // updates _desired_plab_sz and clears sensor accumulators.
!   void adjust_desired_plab_sz(uint no_of_gc_workers);
  
    void add_allocated(size_t v) {
      Atomic::add_ptr(v, &_allocated);
    }
  
--- 171,186 ----
  
    static const size_t max_size() {
      return PLAB::max_size();
    }
  
!   // Calculates plab size for current number of gc worker threads.
!   size_t desired_plab_sz(uint no_of_gc_workers);
  
!   // Updates the current desired PLAB size. Computes the new desired PLAB size with one gc worker thread,
    // updates _desired_plab_sz and clears sensor accumulators.
!   void adjust_desired_plab_sz();
  
    void add_allocated(size_t v) {
      Atomic::add_ptr(v, &_allocated);
    }