Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/gc_implementation/shared/gcStats.hpp@710a3c8b516e (annotated)
src/share/vm/gc_implementation/shared/gcStats.hpp
Tue, 08 Aug 2017 15:57:29 +0800
- author
- aoqi
- date
- Tue, 08 Aug 2017 15:57:29 +0800
- changeset 6876
- 710a3c8b516e
- parent 4153
- b9a9ed0f8eeb
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP |
| aoqi@0 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "gc_implementation/shared/gcUtil.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | class GCStats : public CHeapObj<mtGC> { |
| aoqi@0 | 31 | protected: |
| aoqi@0 | 32 | // Avg amount promoted; used for avoiding promotion undo |
| aoqi@0 | 33 | // This class does not update deviations if the sample is zero. |
| aoqi@0 | 34 | AdaptivePaddedNoZeroDevAverage* _avg_promoted; |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | public: |
| aoqi@0 | 37 | GCStats(); |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | enum Name { |
| aoqi@0 | 40 | GCStatsKind, |
| aoqi@0 | 41 | CMSGCStatsKind |
| aoqi@0 | 42 | }; |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | virtual Name kind() { |
| aoqi@0 | 45 | return GCStatsKind; |
| aoqi@0 | 46 | } |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; } |
| aoqi@0 | 49 | |
| aoqi@0 | 50 | // Average in bytes |
| aoqi@0 | 51 | size_t average_promoted_in_bytes() const { |
| aoqi@0 | 52 | return (size_t)_avg_promoted->average(); |
| aoqi@0 | 53 | } |
| aoqi@0 | 54 | |
| aoqi@0 | 55 | // Padded average in bytes |
| aoqi@0 | 56 | size_t padded_average_promoted_in_bytes() const { |
| aoqi@0 | 57 | return (size_t)_avg_promoted->padded_average(); |
| aoqi@0 | 58 | } |
| aoqi@0 | 59 | }; |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | class CMSGCStats : public GCStats { |
| aoqi@0 | 62 | public: |
| aoqi@0 | 63 | CMSGCStats(); |
| aoqi@0 | 64 | |
| aoqi@0 | 65 | virtual Name kind() { |
| aoqi@0 | 66 | return CMSGCStatsKind; |
| aoqi@0 | 67 | } |
| aoqi@0 | 68 | }; |
| aoqi@0 | 69 | |
| aoqi@0 | 70 | #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCSTATS_HPP |
