| /* |
| * Copyright (c) 2003, 2015, 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_SHARED_GCSTATS_HPP |
| #define SHARE_VM_GC_SHARED_GCSTATS_HPP |
| |
| #include "gc/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_SHARED_GCSTATS_HPP |