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#ifndef SHARE_MEMORY_METASPACE_METASPACECONTEXT_HPP
#define SHARE_MEMORY_METASPACE_METASPACECONTEXT_HPP
#include "memory/allocation.hpp"
+ #include "memory/metaspace/counters.hpp"
#include "memory/virtualspace.hpp"
#include "utilities/debug.hpp"
class outputStream;
class MetaspaceContext : public CHeapObj<mtMetaspace> {
const char* const _name;
VirtualSpaceList* const _vslist;
ChunkManager* const _cm;
+ SizeAtomicCounter _used_words_counter;
MetaspaceContext(const char* name, VirtualSpaceList* vslist, ChunkManager* cm) :
_name(name),
_vslist(vslist),
_cm(cm)
// Destroys the context: deletes chunkmanager and virtualspacelist.
// If this is a non-expandable context over an existing space, that space remains
// untouched, otherwise all memory is unmapped.
~MetaspaceContext();
! VirtualSpaceList* vslist() { return _vslist; }
! ChunkManager* cm() { return _cm; }
// Create a new, empty, expandable metaspace context.
static MetaspaceContext* create_expandable_context(const char* name, CommitLimiter* commit_limiter);
// Create a new, empty, non-expandable metaspace context atop of an externally provided space.
// Destroys the context: deletes chunkmanager and virtualspacelist.
// If this is a non-expandable context over an existing space, that space remains
// untouched, otherwise all memory is unmapped.
~MetaspaceContext();
! VirtualSpaceList* vslist() { return _vslist; }
! ChunkManager* cm() { return _cm; }
+ SizeAtomicCounter* used_words_counter() { return &_used_words_counter; }
// Create a new, empty, expandable metaspace context.
static MetaspaceContext* create_expandable_context(const char* name, CommitLimiter* commit_limiter);
// Create a new, empty, non-expandable metaspace context atop of an externally provided space.
// Returns pointer to the global class space context, if compressed class space is active,
// null otherwise.
static MetaspaceContext* context_class() { return _class_space_context; }
+ size_t used_words() const;
+ size_t committed_words() const;
+ size_t reserved_words() const;
};
} // end namespace
#endif // SHARE_MEMORY_METASPACE_METASPACECONTEXT_HPP
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