duke@435: /*
stefank@2314:  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP
stefank@2314: 
stefank@2314: #include "gc_implementation/shared/gcUtil.hpp"
stefank@2314: 
zgu@3900: class GCStats : public CHeapObj<mtGC> {
duke@435:  protected:
duke@435:   // Avg amount promoted; used for avoiding promotion undo
duke@435:   // This class does not update deviations if the sample is zero.
duke@435:   AdaptivePaddedNoZeroDevAverage*   _avg_promoted;
duke@435: 
duke@435:  public:
duke@435:   GCStats();
duke@435: 
duke@435:   enum Name {
duke@435:     GCStatsKind,
duke@435:     CMSGCStatsKind
duke@435:   };
duke@435: 
duke@435:   virtual Name kind() {
duke@435:     return GCStatsKind;
duke@435:   }
duke@435: 
duke@435:   AdaptivePaddedNoZeroDevAverage*  avg_promoted() const { return _avg_promoted; }
duke@435: 
duke@435:   // Average in bytes
duke@435:   size_t average_promoted_in_bytes() const {
duke@435:     return (size_t)_avg_promoted->average();
duke@435:   }
duke@435: 
duke@435:   // Padded average in bytes
duke@435:   size_t padded_average_promoted_in_bytes() const {
duke@435:     return (size_t)_avg_promoted->padded_average();
duke@435:   }
duke@435: };
duke@435: 
duke@435: class CMSGCStats : public GCStats {
duke@435:  public:
duke@435:   CMSGCStats();
duke@435: 
duke@435:   virtual Name kind() {
duke@435:     return CMSGCStatsKind;
duke@435:   }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP