1 /* 2 * Copyright (c) 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 "memory/metaspace/counter.hpp" 27 #include "memory/metaspace/runningCounters.hpp" 28 #include "memory/metaspace/virtualSpaceList.hpp" 29 #include "memory/metaspace/chunkManager.hpp" 30 31 namespace metaspace { 32 33 // Return reserved size, in words, for Metaspace 34 size_t RunningCounters::reserved_words() { 35 return reserved_words_class() + reserved_words_nonclass(); 36 } 37 38 size_t RunningCounters::reserved_words_class() { 39 VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); 40 return vs != NULL ? vs->reserved_words() : 0; 41 } 42 43 size_t RunningCounters::reserved_words_nonclass() { 44 return VirtualSpaceList::vslist_nonclass()->reserved_words(); 45 } 46 47 // Return total committed size, in words, for Metaspace 48 size_t RunningCounters::committed_words() { 49 return committed_words_class() + committed_words_nonclass(); 50 } 51 52 size_t RunningCounters::committed_words_class() { 53 VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); 54 return vs != NULL ? vs->committed_words() : 0; 55 } 56 57 size_t RunningCounters::committed_words_nonclass() { 58 return VirtualSpaceList::vslist_nonclass()->committed_words(); 59 } 60 61 62 // ---- used chunks ----- 63 64 // Returns size, in words, used for metadata. 65 size_t RunningCounters::used_words() { 66 return used_words_class() + used_words_nonclass(); 67 } 68 69 size_t RunningCounters::used_words_class() { 70 return _used_class.get(); 71 } 72 73 size_t RunningCounters::used_words_nonclass() { 74 return _used_nonclass.get(); 75 } 76 77 // ---- free chunks ----- 78 79 // Returns size, in words, of all chunks in all freelists. 80 size_t RunningCounters::free_chunks_words() { 81 return free_chunks_words_class() + free_chunks_words_nonclass(); 82 } 83 84 size_t RunningCounters::free_chunks_words_class() { 85 ChunkManager* cm = ChunkManager::chunkmanager_class(); 86 return cm != NULL ? cm->total_word_size() : 0; 87 } 88 89 size_t RunningCounters::free_chunks_words_nonclass() { 90 return ChunkManager::chunkmanager_nonclass()->total_word_size(); 91 } 92 93 } // namespace metaspace 94 95