1 /* 2 * Copyright (c) 2012, 2020, 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 #ifndef SHARE_MEMORY_METASPACECOUNTERS_HPP 26 #define SHARE_MEMORY_METASPACECOUNTERS_HPP 27 28 #include "memory/allocation.hpp" 29 30 class MetaspacePerfCounters; 31 32 // Todo: clean up after jep387, see JDK-8251392 33 class MetaspaceCounters: public AllStatic { 34 static MetaspacePerfCounters* _perf_counters; 35 static size_t used(); 36 static size_t capacity(); 37 static size_t max_capacity(); 38 39 public: 40 static void initialize_performance_counters(); 41 static void update_performance_counters(); 42 }; 43 44 class CompressedClassSpaceCounters: public AllStatic { 45 static MetaspacePerfCounters* _perf_counters; 46 static size_t used(); 47 static size_t capacity(); 48 static size_t max_capacity(); 49 50 public: 51 static void initialize_performance_counters(); 52 static void update_performance_counters(); 53 }; 54 55 #endif // SHARE_MEMORY_METASPACECOUNTERS_HPP 56