Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/shared/generationCounters.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
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date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | b9a9ed0f8eeb |
children |
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/* * Copyright (c) 2002, 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_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP #include "runtime/perfData.hpp" #include "runtime/virtualspace.hpp" // A GenerationCounter is a holder class for performance counters // that track a generation class GenerationCounters: public CHeapObj<mtGC> { friend class VMStructs; private: void initialize(const char* name, int ordinal, int spaces, size_t min_capacity, size_t max_capacity, size_t curr_capacity); protected: PerfVariable* _current_size; VirtualSpace* _virtual_space; // Constant PerfData types don't need to retain a reference. // However, it's a good idea to document them here. // PerfStringConstant* _name; // PerfConstant* _min_size; // PerfConstant* _max_size; // PerfConstant* _spaces; char* _name_space; // This constructor is only meant for use with the PSGenerationCounters // constructor. The need for such an constructor should be eliminated // when VirtualSpace and PSVirtualSpace are unified. GenerationCounters() : _name_space(NULL), _current_size(NULL), _virtual_space(NULL) {} // This constructor is used for subclasses that do not have a space // associated with them (e.g, in G1). GenerationCounters(const char* name, int ordinal, int spaces, size_t min_capacity, size_t max_capacity, size_t curr_capacity); public: GenerationCounters(const char* name, int ordinal, int spaces, VirtualSpace* v); ~GenerationCounters() { if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC); } virtual void update_all(); const char* name_space() const { return _name_space; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP