src/share/vm/services/memoryPool.hpp
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rev 4210 : 8000754: NPG: Implement a MemoryPool MXBean for Metaspace
@@ -26,10 +26,11 @@
#define SHARE_VM_SERVICES_MEMORYPOOL_HPP
#include "gc_implementation/shared/mutableSpace.hpp"
#include "memory/defNewGeneration.hpp"
#include "memory/heap.hpp"
+#include "memory/metaspace.hpp"
#include "memory/space.hpp"
#include "services/memoryUsage.hpp"
#include "utilities/macros.hpp"
#if INCLUDE_ALL_GCS
#include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp"
@@ -220,6 +221,31 @@
CodeHeapPool(CodeHeap* codeHeap, const char* name, bool support_usage_threshold);
MemoryUsage get_memory_usage();
size_t used_in_bytes() { return _codeHeap->allocated_capacity(); }
};
+class MetaspacePoolBase : public MemoryPool {
+private:
+ Metaspace::MetadataType _md_type;
+protected:
+ static const size_t _undefined_max_size = (size_t) -1;
+public:
+ MetaspacePoolBase(const char *name, Metaspace::MetadataType md_type, size_t max_size);
+ MemoryUsage get_memory_usage();
+ size_t used_in_bytes();
+};
+
+class ClassMetaspacePool : public MetaspacePoolBase {
+private:
+ size_t calculate_max_size();
+public:
+ ClassMetaspacePool();
+};
+
+class MetaspacePool : public MetaspacePoolBase {
+private:
+ size_t calculate_max_size();
+public:
+ MetaspacePool();
+};
+
#endif // SHARE_VM_SERVICES_MEMORYPOOL_HPP