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src/share/vm/gc_implementation/shared/generationCounters.hpp@7426d8d76305 (annotated)
src/share/vm/gc_implementation/shared/generationCounters.hpp
Thu, 13 Feb 2014 17:44:39 +0100
- author
- stefank
- date
- Thu, 13 Feb 2014 17:44:39 +0100
- changeset 6971
- 7426d8d76305
- parent 4153
- b9a9ed0f8eeb
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8034761: Remove the do_code_roots parameter from process_strong_roots
Reviewed-by: tschatzl, mgerdin, jmasa
| duke@435 | 1 | /* |
| mikael@4153 | 2 | * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP |
| stefank@2314 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "runtime/perfData.hpp" |
| stefank@2314 | 29 | #include "runtime/virtualspace.hpp" |
| stefank@2314 | 30 | |
| duke@435 | 31 | // A GenerationCounter is a holder class for performance counters |
| duke@435 | 32 | // that track a generation |
| duke@435 | 33 | |
| zgu@3900 | 34 | class GenerationCounters: public CHeapObj<mtGC> { |
| duke@435 | 35 | friend class VMStructs; |
| duke@435 | 36 | |
| tonyp@3176 | 37 | private: |
| tonyp@3176 | 38 | void initialize(const char* name, int ordinal, int spaces, |
| tonyp@3176 | 39 | size_t min_capacity, size_t max_capacity, |
| tonyp@3176 | 40 | size_t curr_capacity); |
| tonyp@3176 | 41 | |
| duke@435 | 42 | protected: |
| duke@435 | 43 | PerfVariable* _current_size; |
| duke@435 | 44 | VirtualSpace* _virtual_space; |
| duke@435 | 45 | |
| duke@435 | 46 | // Constant PerfData types don't need to retain a reference. |
| duke@435 | 47 | // However, it's a good idea to document them here. |
| duke@435 | 48 | // PerfStringConstant* _name; |
| duke@435 | 49 | // PerfConstant* _min_size; |
| duke@435 | 50 | // PerfConstant* _max_size; |
| duke@435 | 51 | // PerfConstant* _spaces; |
| duke@435 | 52 | |
| duke@435 | 53 | char* _name_space; |
| duke@435 | 54 | |
| duke@435 | 55 | // This constructor is only meant for use with the PSGenerationCounters |
| tonyp@3176 | 56 | // constructor. The need for such an constructor should be eliminated |
| duke@435 | 57 | // when VirtualSpace and PSVirtualSpace are unified. |
| tonyp@3176 | 58 | GenerationCounters() |
| tonyp@3176 | 59 | : _name_space(NULL), _current_size(NULL), _virtual_space(NULL) {} |
| tonyp@3176 | 60 | |
| tonyp@3176 | 61 | // This constructor is used for subclasses that do not have a space |
| tonyp@3176 | 62 | // associated with them (e.g, in G1). |
| tonyp@3176 | 63 | GenerationCounters(const char* name, int ordinal, int spaces, |
| tonyp@3176 | 64 | size_t min_capacity, size_t max_capacity, |
| tonyp@3176 | 65 | size_t curr_capacity); |
| tonyp@3176 | 66 | |
| duke@435 | 67 | public: |
| duke@435 | 68 | GenerationCounters(const char* name, int ordinal, int spaces, |
| duke@435 | 69 | VirtualSpace* v); |
| duke@435 | 70 | |
| duke@435 | 71 | ~GenerationCounters() { |
| zgu@3900 | 72 | if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC); |
| duke@435 | 73 | } |
| duke@435 | 74 | |
| tonyp@3176 | 75 | virtual void update_all(); |
| duke@435 | 76 | |
| duke@435 | 77 | const char* name_space() const { return _name_space; } |
| jmasa@2821 | 78 | |
| duke@435 | 79 | }; |
| stefank@2314 | 80 | #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GENERATIONCOUNTERS_HPP |
