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#ifndef SHARE_GC_PARALLEL_PSMEMORYPOOL_HPP
#define SHARE_GC_PARALLEL_PSMEMORYPOOL_HPP
#include "gc/parallel/mutableSpace.hpp"
#include "gc/parallel/psOldGen.hpp"
#include "gc/parallel/psYoungGen.hpp"
#include "services/memoryPool.hpp"
#include "services/memoryUsage.hpp"
class PSGenerationPool : public CollectedMemoryPool {
private :
PSOldGen* _old_gen;
public :
PSGenerationPool(PSOldGen* pool, const char * name, bool support_usage_threshold);
MemoryUsage get_memory_usage();
size_t used_in_bytes() { return _old_gen->used_in_bytes(); }
size_t max_size() const { return _old_gen->reserved().byte_size(); }
};
class EdenMutableSpacePool : public CollectedMemoryPool {
private :
PSYoungGen* _young_gen;
MutableSpace* _space;
public :
EdenMutableSpacePool(PSYoungGen* young_gen,
MutableSpace* space,
const char * name,
bool support_usage_threshold);
MutableSpace* space() { return _space; }
MemoryUsage get_memory_usage();
size_t used_in_bytes() { return space()->used_in_bytes(); }
size_t max_size() const {
// Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
return _young_gen->max_gen_size() -
_young_gen->from_space()->capacity_in_bytes() -
_young_gen->to_space()->capacity_in_bytes();
}
};
class SurvivorMutableSpacePool : public CollectedMemoryPool {
private :
PSYoungGen* _young_gen;
public :
SurvivorMutableSpacePool(PSYoungGen* young_gen,
const char * name,
bool support_usage_threshold);
MemoryUsage get_memory_usage();
size_t used_in_bytes() {
return _young_gen->from_space()->used_in_bytes();
}
size_t committed_in_bytes() {
return _young_gen->from_space()->capacity_in_bytes();
}
size_t max_size() const {
// Return current committed size of the from-space
return _young_gen->from_space()->capacity_in_bytes();
}
};
#endif // SHARE_GC_PARALLEL_PSMEMORYPOOL_HPP
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