Mercurial > hg > truffle
view src/share/vm/gc_implementation/shared/gcStats.hpp @ 7090:05ce1defa4f9
Common out some parts of UnsafeLoad/Store in UnsafeAccess
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 29 Nov 2012 13:24:08 +0100 |
parents | b9a9ed0f8eeb |
children |
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/* * Copyright (c) 2003, 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_GCSTATS_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP #include "gc_implementation/shared/gcUtil.hpp" class GCStats : public CHeapObj<mtGC> { protected: // Avg amount promoted; used for avoiding promotion undo // This class does not update deviations if the sample is zero. AdaptivePaddedNoZeroDevAverage* _avg_promoted; public: GCStats(); enum Name { GCStatsKind, CMSGCStatsKind }; virtual Name kind() { return GCStatsKind; } AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; } // Average in bytes size_t average_promoted_in_bytes() const { return (size_t)_avg_promoted->average(); } // Padded average in bytes size_t padded_average_promoted_in_bytes() const { return (size_t)_avg_promoted->padded_average(); } }; class CMSGCStats : public GCStats { public: CMSGCStats(); virtual Name kind() { return CMSGCStatsKind; } }; #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP