8204180: Implementation: JEP 318: Epsilon, A No-Op Garbage Collector
Summary: Introduce Epsilon GC
Reviewed-by: rkennke, ihse, pliden, eosterlund, lmesnik, jgeorge, stefank
/*
* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
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* version 2 for more details (a copy is included in the LICENSE file that
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "gc/epsilon/epsilonHeap.hpp"
#include "gc/epsilon/epsilonMemoryPool.hpp"
EpsilonMemoryPool::EpsilonMemoryPool(EpsilonHeap* heap) :
_heap(heap),
CollectedMemoryPool("Epsilon Heap",
heap->capacity(),
heap->max_capacity(),
false) {
assert(UseEpsilonGC, "sanity");
}
MemoryUsage EpsilonMemoryPool::get_memory_usage() {
size_t initial_sz = initial_size();
size_t max_sz = max_size();
size_t used = used_in_bytes();
size_t committed = committed_in_bytes();
return MemoryUsage(initial_sz, used, committed, max_sz);
}