1 /* 2 * Copyright (c) 2007, 2012, 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/g1/g1CollectedHeap.hpp" 27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" 28 #include "gc_implementation/g1/g1CollectorPolicy.hpp" 29 #include "gc_implementation/g1/heapRegion.hpp" 30 #include "services/g1MemoryPool.hpp" 31 32 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h, 33 const char* name, 34 size_t init_size, 35 size_t max_size, 36 bool support_usage_threshold) : 37 _g1mm(g1h->g1mm()), CollectedMemoryPool(name, 38 MemoryPool::Heap, 39 init_size, 40 max_size, 41 support_usage_threshold) { 42 assert(UseG1GC, "sanity"); 43 } 44 45 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) : 46 G1MemoryPoolSuper(g1h, 47 "G1 Eden Space", 48 g1h->g1mm()->eden_space_committed(), /* init_size */ 49 _undefined_max, 50 false /* support_usage_threshold */) { } 51 52 MemoryUsage G1EdenPool::get_memory_usage() { 53 size_t initial_sz = initial_size(); 54 size_t max_sz = max_size(); 55 size_t used = used_in_bytes(); 56 size_t committed = _g1mm->eden_space_committed(); 57 58 return MemoryUsage(initial_sz, used, committed, max_sz); 59 } 60 61 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) : 62 G1MemoryPoolSuper(g1h, 63 "G1 Survivor Space", 64 g1h->g1mm()->survivor_space_committed(), /* init_size */ 65 _undefined_max, 66 false /* support_usage_threshold */) { } 67 68 MemoryUsage G1SurvivorPool::get_memory_usage() { 69 size_t initial_sz = initial_size(); 70 size_t max_sz = max_size(); 71 size_t used = used_in_bytes(); 72 size_t committed = _g1mm->survivor_space_committed(); 73 74 return MemoryUsage(initial_sz, used, committed, max_sz); 75 } 76 77 G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) : 78 G1MemoryPoolSuper(g1h, 79 "G1 Old Gen", 80 g1h->g1mm()->old_space_committed(), /* init_size */ 81 g1h->g1mm()->old_gen_max(), 82 true /* support_usage_threshold */) { } 83 84 MemoryUsage G1OldGenPool::get_memory_usage() { 85 size_t initial_sz = initial_size(); 86 size_t max_sz = max_size(); 87 size_t used = used_in_bytes(); 88 size_t committed = _g1mm->old_space_committed(); 89 90 return MemoryUsage(initial_sz, used, committed, max_sz); 91 }