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0N/A
1879N/A#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
1879N/A#define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
1879N/A
1879N/A#include "gc_implementation/shared/generationCounters.hpp"
1879N/A#include "memory/space.inline.hpp"
1879N/A#include "runtime/perfData.hpp"
1879N/A
0N/A// A CSpaceCounters is a holder class for performance counters
0N/A// that track a space;
0N/A
3863N/Aclass CSpaceCounters: public CHeapObj<mtGC> {
0N/A friend class VMStructs;
0N/A
0N/A private:
0N/A PerfVariable* _capacity;
0N/A PerfVariable* _used;
0N/A
0N/A // Constant PerfData types don't need to retain a reference.
0N/A // However, it's a good idea to document them here.
0N/A // PerfConstant* _size;
0N/A
0N/A ContiguousSpace* _space;
0N/A char* _name_space;
0N/A
0N/A public:
0N/A
0N/A CSpaceCounters(const char* name, int ordinal, size_t max_size,
0N/A ContiguousSpace* s, GenerationCounters* gc);
0N/A
0N/A ~CSpaceCounters() {
3863N/A if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal);
0N/A }
0N/A
0N/A inline void update_capacity() {
0N/A _capacity->set_value(_space->capacity());
0N/A }
0N/A
0N/A inline void update_used() {
0N/A _used->set_value(_space->used());
0N/A }
0N/A
0N/A inline void update_all() {
0N/A update_used();
0N/A update_capacity();
0N/A }
0N/A
0N/A const char* name_space() const { return _name_space; }
0N/A};
0N/A
0N/Aclass ContiguousSpaceUsedHelper : public PerfLongSampleHelper {
0N/A private:
0N/A ContiguousSpace* _space;
0N/A
0N/A public:
0N/A ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }
0N/A
0N/A inline jlong take_sample() {
0N/A return _space->used();
0N/A }
0N/A};
1879N/A
1879N/A#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP