Wed, 26 Jun 2013 16:58:37 +0200
8013590: NPG: Add a memory pool MXBean for Metaspace
Reviewed-by: jmasa, mgerdin
coleenp@4037 | 1 | /* |
katleman@4376 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
coleenp@4037 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
coleenp@4037 | 4 | * |
coleenp@4037 | 5 | * This code is free software; you can redistribute it and/or modify it |
coleenp@4037 | 6 | * under the terms of the GNU General Public License version 2 only, as |
coleenp@4037 | 7 | * published by the Free Software Foundation. |
coleenp@4037 | 8 | * |
coleenp@4037 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
coleenp@4037 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
coleenp@4037 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
coleenp@4037 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
coleenp@4037 | 13 | * accompanied this code). |
coleenp@4037 | 14 | * |
coleenp@4037 | 15 | * You should have received a copy of the GNU General Public License version |
coleenp@4037 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
coleenp@4037 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
coleenp@4037 | 18 | * |
coleenp@4037 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
coleenp@4037 | 20 | * or visit www.oracle.com if you need additional information or have any |
coleenp@4037 | 21 | * questions. |
coleenp@4037 | 22 | * |
coleenp@4037 | 23 | */ |
coleenp@4037 | 24 | |
coleenp@4037 | 25 | #ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP |
coleenp@4037 | 26 | #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP |
coleenp@4037 | 27 | |
coleenp@4037 | 28 | #include "runtime/perfData.hpp" |
coleenp@4037 | 29 | |
coleenp@4037 | 30 | class MetaspaceCounters: public CHeapObj<mtClass> { |
coleenp@4037 | 31 | friend class VMStructs; |
coleenp@4037 | 32 | PerfVariable* _capacity; |
coleenp@4037 | 33 | PerfVariable* _used; |
coleenp@4037 | 34 | PerfVariable* _max_capacity; |
coleenp@4037 | 35 | static MetaspaceCounters* _metaspace_counters; |
coleenp@4037 | 36 | void initialize(size_t min_capacity, |
coleenp@4037 | 37 | size_t max_capacity, |
coleenp@4037 | 38 | size_t curr_capacity, |
coleenp@4037 | 39 | size_t used); |
jmasa@5015 | 40 | size_t calc_total_capacity(); |
coleenp@4037 | 41 | public: |
coleenp@4037 | 42 | MetaspaceCounters(); |
coleenp@4037 | 43 | ~MetaspaceCounters(); |
coleenp@4037 | 44 | |
coleenp@4037 | 45 | void update_capacity(); |
coleenp@4037 | 46 | void update_used(); |
coleenp@4037 | 47 | void update_max_capacity(); |
coleenp@4037 | 48 | |
coleenp@4037 | 49 | void update_all(); |
coleenp@4037 | 50 | |
coleenp@4037 | 51 | static void initialize_performance_counters(); |
coleenp@4037 | 52 | static void update_performance_counters(); |
coleenp@4037 | 53 | |
coleenp@4037 | 54 | }; |
coleenp@4037 | 55 | #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP |