1 /* 2 * Copyright (c) 2007, 2018, 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 return _g1mm->eden_space_memory_usage(initial_size(), max_size()); 52 } 53 54 G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h, size_t initial_size) : 55 G1MemoryPoolSuper(g1h, 56 "G1 Survivor Space", 57 initial_size, 58 MemoryUsage::undefined_size(), 59 false /* support_usage_threshold */) { } 60 61 MemoryUsage G1SurvivorPool::get_memory_usage() { 62 return _g1mm->survivor_space_memory_usage(initial_size(), max_size()); 63 } 64 65 G1OldPool::G1OldPool(G1CollectedHeap* g1h, size_t initial_size, size_t max_size) : 66 G1MemoryPoolSuper(g1h, 67 g1h->g1mm()->use_legacy_monitoring() ? "G1 Old Gen" : "G1 Old Space", 68 initial_size, 69 max_size, 70 true /* support_usage_threshold */) { } 71 72 MemoryUsage G1OldPool::get_memory_usage() { 73 return _g1mm->old_space_memory_usage(initial_size(), max_size()); 74 } 75 76 G1ArchivePool::G1ArchivePool(G1CollectedHeap* g1h, size_t initial_size) : 77 G1MemoryPoolSuper(g1h, 78 "G1 Archive Space", 79 initial_size, 80 MemoryUsage::undefined_size(), 81 false /* support_usage_threshold */) { } 82 83 MemoryUsage G1ArchivePool::get_memory_usage() { 84 return _g1mm->archive_space_memory_usage(initial_size(), max_size()); 85 } 86 87 G1HumongousPool::G1HumongousPool(G1CollectedHeap* g1h, size_t initial_size) : 88 G1MemoryPoolSuper(g1h, 89 "G1 Humongous Space", 90 initial_size, 91 MemoryUsage::undefined_size(), 92 true /* support_usage_threshold */) { } 93 94 MemoryUsage G1HumongousPool::get_memory_usage() { 95 return _g1mm->humongous_space_memory_usage(initial_size(), max_size()); 96 }