src/share/vm/gc/parallel/parallelScavengeHeap.hpp

*** 33,42 ****
--- 33,43 ----
  #include "gc/shared/collectedHeap.hpp"
  #include "gc/shared/collectorPolicy.hpp"
  #include "gc/shared/gcPolicyCounters.hpp"
  #include "gc/shared/gcWhen.hpp"
  #include "gc/shared/strongRootsScope.hpp"
+ #include "memory/metaspace.hpp"
  #include "utilities/ostream.hpp"
  
  class AdjoiningGenerations;
  class GCHeapSummary;
  class GCTaskManager;
*** 213,225 ****
    virtual void print_on_error(outputStream* st) const;
    virtual void print_gc_threads_on(outputStream* st) const;
    virtual void gc_threads_do(ThreadClosure* tc) const;
    virtual void print_tracing_info() const;
  
!   void verify(bool silent, VerifyOption option /* ignored */);
! 
!   void print_heap_change(size_t prev_used);
  
    // Resize the young generation.  The reserved space for the
    // generation may be expanded in preparation for the resize.
    void resize_young_gen(size_t eden_size, size_t survivor_size);
  
--- 214,224 ----
    virtual void print_on_error(outputStream* st) const;
    virtual void print_gc_threads_on(outputStream* st) const;
    virtual void gc_threads_do(ThreadClosure* tc) const;
    virtual void print_tracing_info() const;
  
!   void verify(VerifyOption option /* ignored */);
  
    // Resize the young generation.  The reserved space for the
    // generation may be expanded in preparation for the resize.
    void resize_young_gen(size_t eden_size, size_t survivor_size);
  
*** 239,244 ****
--- 238,265 ----
      ParStrongRootsScope();
      ~ParStrongRootsScope();
    };
  };
  
+ // Simple class for storing info about the heap at the start of GC, to be used
+ // after GC for comparison/printing.
+ class PreGCValues {
+ public:
+   PreGCValues(ParallelScavengeHeap* heap) :
+       _heap_used(heap->used()),
+       _young_gen_used(heap->young_gen()->used_in_bytes()),
+       _old_gen_used(heap->old_gen()->used_in_bytes()),
+       _metadata_used(MetaspaceAux::used_bytes()) { };
+ 
+   size_t heap_used() const      { return _heap_used; }
+   size_t young_gen_used() const { return _young_gen_used; }
+   size_t old_gen_used() const   { return _old_gen_used; }
+   size_t metadata_used() const  { return _metadata_used; }
+ 
+ private:
+   size_t _heap_used;
+   size_t _young_gen_used;
+   size_t _old_gen_used;
+   size_t _metadata_used;
+ };
+ 
  #endif // SHARE_VM_GC_PARALLEL_PARALLELSCAVENGEHEAP_HPP