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annotate src/share/vm/memory/classify.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_MEMORY_CLASSIFY_HPP |
| 26 #define SHARE_VM_MEMORY_CLASSIFY_HPP | |
| 27 | |
| 28 #include "oops/oop.inline.hpp" | |
| 29 | |
| 0 | 30 typedef enum oop_type { |
| 31 unknown_type, | |
| 32 instance_type, | |
| 33 instanceRef_type, | |
| 34 objArray_type, | |
| 35 symbol_type, | |
| 36 klass_type, | |
| 37 instanceKlass_type, | |
| 38 method_type, | |
| 39 constMethod_type, | |
| 40 methodData_type, | |
| 41 constantPool_type, | |
| 42 constantPoolCache_type, | |
| 43 typeArray_type, | |
| 44 compiledICHolder_type, | |
| 45 number_object_types | |
| 46 } object_type; | |
| 47 | |
| 48 | |
| 49 // Classify objects by type and keep counts. | |
| 50 // Print the count and space taken for each type. | |
| 51 | |
| 52 | |
| 53 class ClassifyObjectClosure : public ObjectClosure { | |
| 54 private: | |
| 55 | |
| 56 static const char* object_type_name[number_object_types]; | |
| 57 | |
| 58 int total_object_count; | |
| 59 size_t total_object_size; | |
| 60 int object_count[number_object_types]; | |
| 61 size_t object_size[number_object_types]; | |
| 62 | |
| 63 public: | |
| 64 ClassifyObjectClosure() { reset(); } | |
| 65 void reset(); | |
| 66 void do_object(oop obj); | |
| 67 static object_type classify_object(oop obj, bool count); | |
| 68 size_t print(); | |
| 69 }; | |
| 70 | |
| 71 | |
| 72 // Count objects using the alloc_count field in the object's klass | |
| 73 // object. | |
| 74 | |
| 75 class ClassifyInstanceKlassClosure : public ClassifyObjectClosure { | |
| 76 private: | |
| 77 int total_instances; | |
| 78 public: | |
| 79 ClassifyInstanceKlassClosure() { reset(); } | |
| 80 void reset(); | |
| 81 void print(); | |
| 82 void do_object(oop obj); | |
| 83 }; | |
| 84 | |
| 85 | |
| 86 // Clear the alloc_count fields in all classes so that the count can be | |
| 87 // restarted. | |
| 88 | |
| 89 class ClearAllocCountClosure : public ObjectClosure { | |
| 90 public: | |
| 91 void do_object(oop obj) { | |
| 92 if (obj->is_klass()) { | |
| 93 Klass* k = Klass::cast((klassOop)obj); | |
| 94 k->set_alloc_count(0); | |
| 95 } | |
| 96 } | |
| 97 }; | |
| 1972 | 98 |
| 99 #endif // SHARE_VM_MEMORY_CLASSIFY_HPP |