1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/gc_implementation/shared/gcStats.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,70 @@ 1.4 +/* 1.5 + * Copyright (c) 2003, 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_GCSTATS_HPP 1.29 +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP 1.30 + 1.31 +#include "gc_implementation/shared/gcUtil.hpp" 1.32 + 1.33 +class GCStats : public CHeapObj<mtGC> { 1.34 + protected: 1.35 + // Avg amount promoted; used for avoiding promotion undo 1.36 + // This class does not update deviations if the sample is zero. 1.37 + AdaptivePaddedNoZeroDevAverage* _avg_promoted; 1.38 + 1.39 + public: 1.40 + GCStats(); 1.41 + 1.42 + enum Name { 1.43 + GCStatsKind, 1.44 + CMSGCStatsKind 1.45 + }; 1.46 + 1.47 + virtual Name kind() { 1.48 + return GCStatsKind; 1.49 + } 1.50 + 1.51 + AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; } 1.52 + 1.53 + // Average in bytes 1.54 + size_t average_promoted_in_bytes() const { 1.55 + return (size_t)_avg_promoted->average(); 1.56 + } 1.57 + 1.58 + // Padded average in bytes 1.59 + size_t padded_average_promoted_in_bytes() const { 1.60 + return (size_t)_avg_promoted->padded_average(); 1.61 + } 1.62 +}; 1.63 + 1.64 +class CMSGCStats : public GCStats { 1.65 + public: 1.66 + CMSGCStats(); 1.67 + 1.68 + virtual Name kind() { 1.69 + return CMSGCStatsKind; 1.70 + } 1.71 +}; 1.72 + 1.73 +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP