src/share/vm/memory/metaspaceShared.hpp

*** 22,31 ****
--- 22,32 ----
   *
   */
  #ifndef SHARE_VM_MEMORY_METASPACE_SHARED_HPP
  #define SHARE_VM_MEMORY_METASPACE_SHARED_HPP
  
+ #include "classfile/compactHashtable.hpp"
  #include "memory/allocation.hpp"
  #include "memory/memRegion.hpp"
  #include "runtime/virtualspace.hpp"
  #include "utilities/exceptions.hpp"
  #include "utilities/macros.hpp"
*** 43,58 ****
--- 44,68 ----
    Shared ##region## Size  = FLAG_IS_DEFAULT(Shared ##region## Size) ? \
      (uintx)(type ## SharedArchiveSize *  region ## RegionPercentage) : Shared ## region ## Size
  
  class FileMapInfo;
  
+ class MetaspaceSharedStats VALUE_OBJ_CLASS_SPEC {
+ public:
+   MetaspaceSharedStats() {
+     memset(this, 0, sizeof(*this));
+   }
+   CompactHashtableStats symbol;
+ };
+ 
  // Class Data Sharing Support
  class MetaspaceShared : AllStatic {
  
    // CDS support
    static ReservedSpace* _shared_rs;
    static int _max_alignment;
+   static MetaspaceSharedStats _stats;
    static bool _link_classes_made_progress;
    static bool _check_classes_made_progress;
    static bool _has_error_classes;
    static bool _archive_loading_failed;
   public:
*** 116,125 ****
--- 126,139 ----
                                        void** vtable,
                                        char** md_top, char* md_end,
                                        char** mc_top, char* mc_end);
    static void serialize(SerializeClosure* sc);
  
+   static MetaspaceSharedStats* stats() {
+     return &_stats;
+   }
+ 
    // JVM/TI RedefineClasses() support:
    // Remap the shared readonly space to shared readwrite, private if
    // sharing is enabled. Simply returns true if sharing is not enabled
    // or if the remapping has already been done by a prior call.
    static bool remap_shared_readonly_as_readwrite() NOT_CDS_RETURN_(true);