Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/gc_implementation/shared/gcPolicyCounters.hpp@f90c822e73f8 (annotated)
src/share/vm/gc_implementation/shared/gcPolicyCounters.hpp
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2002, 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_GCPOLICYCOUNTERS_HPP |
| aoqi@0 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCPOLICYCOUNTERS_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #include "runtime/perfData.hpp" |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | // GCPolicyCounters is a holder class for performance counters |
| aoqi@0 | 31 | // that track a generation |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | class GCPolicyCounters: public CHeapObj<mtGC> { |
| aoqi@0 | 34 | friend class VMStructs; |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | private: |
| aoqi@0 | 37 | |
| aoqi@0 | 38 | // Constant PerfData types don't need to retain a reference. |
| aoqi@0 | 39 | // However, it's a good idea to document them here. |
| aoqi@0 | 40 | // PerfStringConstant* _name; |
| aoqi@0 | 41 | // PerfStringConstant* _collector_size; |
| aoqi@0 | 42 | // PerfStringConstant* _generation_size; |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | PerfVariable* _tenuring_threshold; |
| aoqi@0 | 45 | PerfVariable* _desired_survivor_size; |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | const char* _name_space; |
| aoqi@0 | 48 | |
| aoqi@0 | 49 | public: |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | enum Name { |
| aoqi@0 | 52 | NONE, |
| aoqi@0 | 53 | GCPolicyCountersKind, |
| aoqi@0 | 54 | GCAdaptivePolicyCountersKind, |
| aoqi@0 | 55 | PSGCAdaptivePolicyCountersKind, |
| aoqi@0 | 56 | CMSGCAdaptivePolicyCountersKind |
| aoqi@0 | 57 | }; |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | GCPolicyCounters(const char* name, int collectors, int generations); |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | inline PerfVariable* tenuring_threshold() const { |
| aoqi@0 | 62 | return _tenuring_threshold; |
| aoqi@0 | 63 | } |
| aoqi@0 | 64 | |
| aoqi@0 | 65 | inline PerfVariable* desired_survivor_size() const { |
| aoqi@0 | 66 | return _desired_survivor_size; |
| aoqi@0 | 67 | } |
| aoqi@0 | 68 | |
| aoqi@0 | 69 | const char* name_space() const { return _name_space; } |
| aoqi@0 | 70 | |
| aoqi@0 | 71 | virtual void update_counters() {} |
| aoqi@0 | 72 | |
| aoqi@0 | 73 | virtual GCPolicyCounters::Name kind() const { |
| aoqi@0 | 74 | return GCPolicyCounters::GCPolicyCountersKind; |
| aoqi@0 | 75 | } |
| aoqi@0 | 76 | }; |
| aoqi@0 | 77 | |
| aoqi@0 | 78 | #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCPOLICYCOUNTERS_HPP |
