1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/shared/gcPolicyCounters.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,78 @@
1.4 +/*
1.5 + * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCPOLICYCOUNTERS_HPP
1.29 +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCPOLICYCOUNTERS_HPP
1.30 +
1.31 +#include "runtime/perfData.hpp"
1.32 +
1.33 +// GCPolicyCounters is a holder class for performance counters
1.34 +// that track a generation
1.35 +
1.36 +class GCPolicyCounters: public CHeapObj<mtGC> {
1.37 + friend class VMStructs;
1.38 +
1.39 + private:
1.40 +
1.41 + // Constant PerfData types don't need to retain a reference.
1.42 + // However, it's a good idea to document them here.
1.43 + // PerfStringConstant* _name;
1.44 + // PerfStringConstant* _collector_size;
1.45 + // PerfStringConstant* _generation_size;
1.46 +
1.47 + PerfVariable* _tenuring_threshold;
1.48 + PerfVariable* _desired_survivor_size;
1.49 +
1.50 + const char* _name_space;
1.51 +
1.52 + public:
1.53 +
1.54 + enum Name {
1.55 + NONE,
1.56 + GCPolicyCountersKind,
1.57 + GCAdaptivePolicyCountersKind,
1.58 + PSGCAdaptivePolicyCountersKind,
1.59 + CMSGCAdaptivePolicyCountersKind
1.60 + };
1.61 +
1.62 + GCPolicyCounters(const char* name, int collectors, int generations);
1.63 +
1.64 + inline PerfVariable* tenuring_threshold() const {
1.65 + return _tenuring_threshold;
1.66 + }
1.67 +
1.68 + inline PerfVariable* desired_survivor_size() const {
1.69 + return _desired_survivor_size;
1.70 + }
1.71 +
1.72 + const char* name_space() const { return _name_space; }
1.73 +
1.74 + virtual void update_counters() {}
1.75 +
1.76 + virtual GCPolicyCounters::Name kind() const {
1.77 + return GCPolicyCounters::GCPolicyCountersKind;
1.78 + }
1.79 +};
1.80 +
1.81 +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCPOLICYCOUNTERS_HPP
