Mercurial > hg > truffle
view src/share/vm/memory/metaspaceCounters.hpp @ 7196:2aff40cb4703
7092905: C2: Keep track of the number of dead nodes
Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes.
Reviewed-by: kvn, twisti, jrose, vlivanov
author | bharadwaj |
---|---|
date | Tue, 27 Nov 2012 17:24:15 -0800 |
parents | da91efe96a93 |
children | 79f492f184d0 |
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/* * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP #include "runtime/perfData.hpp" class MetaspaceCounters: public CHeapObj<mtClass> { friend class VMStructs; PerfVariable* _current_size; PerfVariable* _capacity; PerfVariable* _used; PerfVariable* _max_capacity; char* _name_space; static MetaspaceCounters* _metaspace_counters; void initialize(size_t min_capacity, size_t max_capacity, size_t curr_capacity, size_t used); public: MetaspaceCounters(); ~MetaspaceCounters(); void update_capacity(); void update_used(); void update_max_capacity(); void update_all(); static void initialize_performance_counters(); static void update_performance_counters(); }; #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP