79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_SHARED_GCPOLICYCOUNTERS_HPP
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#define SHARE_VM_GC_SHARED_GCPOLICYCOUNTERS_HPP
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#include "runtime/perfData.hpp"
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// GCPolicyCounters is a holder class for performance counters
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// that track a generation
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class GCPolicyCounters: public CHeapObj<mtGC> {
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friend class VMStructs;
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private:
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// Constant PerfData types don't need to retain a reference.
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// However, it's a good idea to document them here.
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// PerfStringConstant* _name;
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// PerfStringConstant* _collector_size;
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// PerfStringConstant* _generation_size;
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PerfVariable* _tenuring_threshold;
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PerfVariable* _desired_survivor_size;
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const char* _name_space;
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public:
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enum Name {
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NONE,
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GCPolicyCountersKind,
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GCAdaptivePolicyCountersKind,
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PSGCAdaptivePolicyCountersKind,
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CMSGCAdaptivePolicyCountersKind
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};
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GCPolicyCounters(const char* name, int collectors, int generations);
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inline PerfVariable* tenuring_threshold() const {
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return _tenuring_threshold;
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}
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inline PerfVariable* desired_survivor_size() const {
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return _desired_survivor_size;
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}
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const char* name_space() const { return _name_space; }
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virtual void update_counters() {}
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virtual GCPolicyCounters::Name kind() const {
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return GCPolicyCounters::GCPolicyCountersKind;
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}
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};
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#endif // SHARE_VM_GC_SHARED_GCPOLICYCOUNTERS_HPP
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