1 /* 2 * Copyright (c) 2012, 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_VM_MEMORY_METASPACECOUNTERS_HPP 26 #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP 27 28 #include "runtime/perfData.hpp" 29 30 class MetaspaceCounters: public CHeapObj<mtClass> { 31 friend class VMStructs; 32 PerfVariable* _capacity; 33 PerfVariable* _used; 34 PerfVariable* _max_capacity; 35 static MetaspaceCounters* _metaspace_counters; 36 void initialize(size_t min_capacity, 37 size_t max_capacity, 38 size_t curr_capacity, 39 size_t used); 40 public: 41 MetaspaceCounters(); 42 ~MetaspaceCounters(); 43 44 void update_capacity(); 45 void update_used(); 46 void update_max_capacity(); 47 48 void update_all(); 49 50 static void initialize_performance_counters(); 51 static void update_performance_counters(); 52 53 }; 54 #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP