1 /* 2 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "gc_implementation/epsilon/epsilonCollectedHeap.hpp" 27 #include "services/epsilonMemoryPool.hpp" 28 29 EpsilonDummyMemoryPool::EpsilonDummyMemoryPool() : 30 CollectedMemoryPool("Epsilon Dummy", 31 MemoryPool::Heap, 32 0, 33 0, 34 false /* support_usage_threshold */) {} 35 36 EpsilonMemoryPool::EpsilonMemoryPool(EpsilonCollectedHeap* heap) : 37 _heap(heap), 38 CollectedMemoryPool("Epsilon Heap", 39 MemoryPool::Heap, 40 heap->capacity(), 41 heap->max_capacity(), 42 false) { 43 assert(UseEpsilonGC, "sanity"); 44 } 45 46 MemoryUsage EpsilonMemoryPool::get_memory_usage() { 47 size_t initial_sz = initial_size(); 48 size_t max_sz = max_size(); 49 size_t used = used_in_bytes(); 50 size_t committed = committed_in_bytes(); 51 52 return MemoryUsage(initial_sz, used, committed, max_sz); 53 }