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 SizeAtomicCounter RunningCounters::_used_class; 34 SizeAtomicCounter RunningCounters::_used_nonclass; 35 36 // Return reserved size, in words, for Metaspace 37 size_t RunningCounters::reserved_words() { 38 return reserved_words_class() + reserved_words_nonclass(); 39 } 40 41 size_t RunningCounters::reserved_words_class() { 42 VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); 43 return vs != NULL ? vs->reserved_words() : 0; 44 } 45 46 size_t RunningCounters::reserved_words_nonclass() { 47 return VirtualSpaceList::vslist_nonclass()->reserved_words(); 48 } 49 50 // Return total committed size, in words, for Metaspace 51 size_t RunningCounters::committed_words() { 52 return committed_words_class() + committed_words_nonclass(); 53 } 54 55 size_t RunningCounters::committed_words_class() { 56 VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); 57 return vs != NULL ? vs->committed_words() : 0; 58 } 59 60 size_t RunningCounters::committed_words_nonclass() { 61 return VirtualSpaceList::vslist_nonclass()->committed_words(); 62 } 63 64 65 // ---- used chunks ----- 66 67 // Returns size, in words, used for metadata. 68 size_t RunningCounters::used_words() { 69 return used_words_class() + used_words_nonclass(); 70 } 71 72 size_t RunningCounters::used_words_class() { 73 return _used_class.get(); 74 } 75 76 size_t RunningCounters::used_words_nonclass() { 77 return _used_nonclass.get(); 78 } 79 80 // ---- free chunks ----- 81 82 // Returns size, in words, of all chunks in all freelists. 83 size_t RunningCounters::free_chunks_words() { 84 return free_chunks_words_class() + free_chunks_words_nonclass(); 85 } 86 87 size_t RunningCounters::free_chunks_words_class() { 88 ChunkManager* cm = ChunkManager::chunkmanager_class(); 89 return cm != NULL ? cm->total_word_size() : 0; 90 } 91 92 size_t RunningCounters::free_chunks_words_nonclass() { 93 return ChunkManager::chunkmanager_nonclass()->total_word_size(); 94 } 95 96 } // namespace metaspace 97 98