src/share/vm/gc_implementation/shared/gcStats.hpp

changeset 435
a61af66fc99e
child 1907
c18cbe5936b8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/gc_implementation/shared/gcStats.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,63 @@
     1.4 +/*
     1.5 + * Copyright 2003-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +class GCStats : public CHeapObj {
    1.29 + protected:
    1.30 +  // Avg amount promoted; used for avoiding promotion undo
    1.31 +  // This class does not update deviations if the sample is zero.
    1.32 +  AdaptivePaddedNoZeroDevAverage*   _avg_promoted;
    1.33 +
    1.34 + public:
    1.35 +  GCStats();
    1.36 +
    1.37 +  enum Name {
    1.38 +    GCStatsKind,
    1.39 +    CMSGCStatsKind
    1.40 +  };
    1.41 +
    1.42 +  virtual Name kind() {
    1.43 +    return GCStatsKind;
    1.44 +  }
    1.45 +
    1.46 +  AdaptivePaddedNoZeroDevAverage*  avg_promoted() const { return _avg_promoted; }
    1.47 +
    1.48 +  // Average in bytes
    1.49 +  size_t average_promoted_in_bytes() const {
    1.50 +    return (size_t)_avg_promoted->average();
    1.51 +  }
    1.52 +
    1.53 +  // Padded average in bytes
    1.54 +  size_t padded_average_promoted_in_bytes() const {
    1.55 +    return (size_t)_avg_promoted->padded_average();
    1.56 +  }
    1.57 +};
    1.58 +
    1.59 +class CMSGCStats : public GCStats {
    1.60 + public:
    1.61 +  CMSGCStats();
    1.62 +
    1.63 +  virtual Name kind() {
    1.64 +    return CMSGCStatsKind;
    1.65 +  }
    1.66 +};

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