1 /* 2 * Copyright (c) 2007, 2017, 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/g1/g1CollectedHeap.hpp" 27 #include "gc/g1/g1MemoryPool.hpp" 28 #include "gc/g1/heapRegion.hpp" 29 30 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h, 31 const char* name, 32 size_t init_size, 33 size_t max_size, 34 bool support_usage_threshold) : 35 CollectedMemoryPool(name, 36 init_size, 37 max_size, 38 support_usage_threshold), 39 _g1mm(g1h->g1mm()) { 40 assert(UseG1GC, "sanity"); 41 } 42 43 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h, size_t initial_size) : 44 G1MemoryPoolSuper(g1h, 45 "G1 Eden Space", 46 initial_size, 47 MemoryUsage::undefined_size(), 48 false /* support_usage_threshold */) { } 49 50 MemoryUsage G1EdenPool::get_memory_usage() { 51 size_t committed = _g1mm->eden_space_committed(); 52 53 return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size()); 54 } 55 56 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h, size_t initial_size) : 57 G1MemoryPoolSuper(g1h, 58 "G1 Survivor Space", 59 initial_size, 60 MemoryUsage::undefined_size(), 61 false /* support_usage_threshold */) { } 62 63 MemoryUsage G1SurvivorPool::get_memory_usage() { 64 size_t committed = _g1mm->survivor_space_committed(); 65 66 return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size()); 67 } 68 69 G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h, size_t initial_size, size_t max_size) : 70 G1MemoryPoolSuper(g1h, 71 "G1 Old Gen", 72 initial_size, 73 max_size, 74 true /* support_usage_threshold */) { } 75 76 MemoryUsage G1OldGenPool::get_memory_usage() { 77 size_t committed = _g1mm->old_gen_committed(); 78 79 return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size()); 80 }