1 /* 2 * Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2020 SAP SE. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26 #include "precompiled.hpp" 27 #include "memory/metaspace/chunkManager.hpp" 28 #include "memory/metaspace/counters.hpp" 29 #include "memory/metaspace/runningCounters.hpp" 30 #include "memory/metaspace/virtualSpaceList.hpp" 31 32 namespace metaspace { 33 34 SizeAtomicCounter RunningCounters::_used_class_counter; 35 SizeAtomicCounter RunningCounters::_used_nonclass_counter; 36 37 // Return reserved size, in words, for Metaspace 38 size_t RunningCounters::reserved_words() { 39 return reserved_words_class() + reserved_words_nonclass(); 40 } 41 42 size_t RunningCounters::reserved_words_class() { 43 VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); 44 return vs != nullptr ? vs->reserved_words() : 0; 45 } 46 47 size_t RunningCounters::reserved_words_nonclass() { 48 return VirtualSpaceList::vslist_nonclass()->reserved_words(); 49 } 50 51 // Return total committed size, in words, for Metaspace 52 size_t RunningCounters::committed_words() { 53 return committed_words_class() + committed_words_nonclass(); 54 } 55 56 size_t RunningCounters::committed_words_class() { 57 VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); 58 return vs != nullptr ? vs->committed_words() : 0; 59 } 60 61 size_t RunningCounters::committed_words_nonclass() { 62 return VirtualSpaceList::vslist_nonclass()->committed_words(); 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_counter.get(); 74 } 75 76 size_t RunningCounters::used_words_nonclass() { 77 return _used_nonclass_counter.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 != nullptr ? 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