src/share/vm/gc_implementation/shared/spaceCounters.hpp

Wed, 23 Jan 2013 13:02:39 -0500

author
jprovino
date
Wed, 23 Jan 2013 13:02:39 -0500
changeset 4542
db9981fd3124
parent 4153
b9a9ed0f8eeb
child 6198
55fb97c4c58d
permissions
-rw-r--r--

8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Summary: Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank

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_SPACECOUNTERS_HPP
stefank@2314 26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP
stefank@2314 27
jprovino@4542 28 #include "utilities/macros.hpp"
jprovino@4542 29 #if INCLUDE_ALL_GCS
stefank@2314 30 #include "gc_implementation/shared/generationCounters.hpp"
stefank@2314 31 #include "gc_implementation/shared/immutableSpace.hpp"
stefank@2314 32 #include "gc_implementation/shared/mutableSpace.hpp"
stefank@2314 33 #include "runtime/perfData.hpp"
jprovino@4542 34 #endif // INCLUDE_ALL_GCS
stefank@2314 35
duke@435 36 // A SpaceCounter is a holder class for performance counters
duke@435 37 // that track a space;
duke@435 38
zgu@3900 39 class SpaceCounters: public CHeapObj<mtGC> {
duke@435 40 friend class VMStructs;
duke@435 41
duke@435 42 private:
duke@435 43 PerfVariable* _capacity;
duke@435 44 PerfVariable* _used;
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 // PerfConstant* _size;
duke@435 49
duke@435 50 MutableSpace* _object_space;
duke@435 51 char* _name_space;
duke@435 52
duke@435 53 public:
duke@435 54
duke@435 55 SpaceCounters(const char* name, int ordinal, size_t max_size,
duke@435 56 MutableSpace* m, GenerationCounters* gc);
duke@435 57
duke@435 58 ~SpaceCounters() {
zgu@3900 59 if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC);
duke@435 60 }
duke@435 61
duke@435 62 inline void update_capacity() {
duke@435 63 _capacity->set_value(_object_space->capacity_in_bytes());
duke@435 64 }
duke@435 65
duke@435 66 inline void update_used() {
duke@435 67 _used->set_value(_object_space->used_in_bytes());
duke@435 68 }
duke@435 69
duke@435 70 inline void update_all() {
duke@435 71 update_used();
duke@435 72 update_capacity();
duke@435 73 }
duke@435 74
duke@435 75 const char* name_space() const { return _name_space; }
duke@435 76 };
duke@435 77
duke@435 78 class MutableSpaceUsedHelper: public PerfLongSampleHelper {
duke@435 79 private:
duke@435 80 MutableSpace* _m;
duke@435 81
duke@435 82 public:
duke@435 83 MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { }
duke@435 84
duke@435 85 inline jlong take_sample() {
duke@435 86 return _m->used_in_bytes();
duke@435 87 }
duke@435 88 };
stefank@2314 89
stefank@2314 90 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP

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