Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/shared/generationCounters.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
| author | duke |
|---|---|
| date | Sat, 01 Dec 2007 00:00:00 +0000 |
| parents | |
| children | c18cbe5936b8 |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:a61af66fc99e |
|---|---|
| 1 /* | |
| 2 * Copyright 2002-2004 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 // A GenerationCounter is a holder class for performance counters | |
| 26 // that track a generation | |
| 27 | |
| 28 class GenerationCounters: public CHeapObj { | |
| 29 friend class VMStructs; | |
| 30 | |
| 31 protected: | |
| 32 PerfVariable* _current_size; | |
| 33 VirtualSpace* _virtual_space; | |
| 34 | |
| 35 // Constant PerfData types don't need to retain a reference. | |
| 36 // However, it's a good idea to document them here. | |
| 37 // PerfStringConstant* _name; | |
| 38 // PerfConstant* _min_size; | |
| 39 // PerfConstant* _max_size; | |
| 40 // PerfConstant* _spaces; | |
| 41 | |
| 42 char* _name_space; | |
| 43 | |
| 44 // This constructor is only meant for use with the PSGenerationCounters | |
| 45 // constructor. The need for such an constructor should be eliminated | |
| 46 // when VirtualSpace and PSVirtualSpace are unified. | |
| 47 GenerationCounters() : _name_space(NULL), _current_size(NULL), _virtual_space(NULL) {} | |
| 48 public: | |
| 49 | |
| 50 GenerationCounters(const char* name, int ordinal, int spaces, | |
| 51 VirtualSpace* v); | |
| 52 | |
| 53 ~GenerationCounters() { | |
| 54 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); | |
| 55 } | |
| 56 | |
| 57 virtual void update_all() { | |
| 58 _current_size->set_value(_virtual_space->committed_size()); | |
| 59 } | |
| 60 | |
| 61 const char* name_space() const { return _name_space; } | |
| 62 }; |