Sun, 01 Apr 2012 17:04:26 -0400
Merge
duke@435 | 1 | /* |
trims@2708 | 2 | * Copyright (c) 2003, 2011, 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 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "classfile/systemDictionary.hpp" |
stefank@2314 | 27 | #include "memory/classify.hpp" |
duke@435 | 28 | |
duke@435 | 29 | |
duke@435 | 30 | const char* ClassifyObjectClosure::object_type_name[number_object_types] = { |
duke@435 | 31 | "unknown", |
duke@435 | 32 | "instance", |
duke@435 | 33 | "instanceRef", |
duke@435 | 34 | "objArray", |
duke@435 | 35 | "symbol", |
duke@435 | 36 | "klass", |
duke@435 | 37 | "instanceKlass", |
duke@435 | 38 | "method", |
duke@435 | 39 | "constMethod", |
duke@435 | 40 | "methodData", |
duke@435 | 41 | "constantPool", |
duke@435 | 42 | "constantPoolCache", |
duke@435 | 43 | "typeArray", |
duke@435 | 44 | "compiledICHolder" |
duke@435 | 45 | }; |
duke@435 | 46 | |
duke@435 | 47 | |
duke@435 | 48 | object_type ClassifyObjectClosure::classify_object(oop obj, bool count) { |
duke@435 | 49 | object_type type = unknown_type; |
duke@435 | 50 | |
duke@435 | 51 | Klass* k = obj->blueprint(); |
duke@435 | 52 | |
never@1577 | 53 | if (k->as_klassOop() == SystemDictionary::Object_klass()) { |
duke@435 | 54 | tty->print_cr("Found the class!"); |
duke@435 | 55 | } |
duke@435 | 56 | |
duke@435 | 57 | if (count) { |
duke@435 | 58 | k->set_alloc_count(k->alloc_count() + 1); |
duke@435 | 59 | } |
duke@435 | 60 | |
duke@435 | 61 | if (obj->is_instance()) { |
duke@435 | 62 | if (k->oop_is_instanceRef()) { |
duke@435 | 63 | type = instanceRef_type; |
duke@435 | 64 | } else { |
duke@435 | 65 | type = instance_type; |
duke@435 | 66 | } |
duke@435 | 67 | } else if (obj->is_typeArray()) { |
duke@435 | 68 | type = typeArray_type; |
duke@435 | 69 | } else if (obj->is_objArray()) { |
duke@435 | 70 | type = objArray_type; |
duke@435 | 71 | } else if (obj->is_klass()) { |
duke@435 | 72 | Klass* k = ((klassOop)obj)->klass_part(); |
duke@435 | 73 | if (k->oop_is_instance()) { |
duke@435 | 74 | type = instanceKlass_type; |
duke@435 | 75 | } else { |
duke@435 | 76 | type = klass_type; |
duke@435 | 77 | } |
duke@435 | 78 | } else if (obj->is_method()) { |
duke@435 | 79 | type = method_type; |
duke@435 | 80 | } else if (obj->is_constMethod()) { |
duke@435 | 81 | type = constMethod_type; |
duke@435 | 82 | } else if (obj->is_methodData()) { |
duke@435 | 83 | ShouldNotReachHere(); |
duke@435 | 84 | } else if (obj->is_constantPool()) { |
duke@435 | 85 | type = constantPool_type; |
duke@435 | 86 | } else if (obj->is_constantPoolCache()) { |
duke@435 | 87 | type = constantPoolCache_type; |
duke@435 | 88 | } else if (obj->is_compiledICHolder()) { |
duke@435 | 89 | type = compiledICHolder_type; |
duke@435 | 90 | } else { |
duke@435 | 91 | ShouldNotReachHere(); |
duke@435 | 92 | } |
duke@435 | 93 | |
duke@435 | 94 | assert(type != unknown_type, "found object of unknown type."); |
duke@435 | 95 | return type; |
duke@435 | 96 | } |
duke@435 | 97 | |
duke@435 | 98 | |
duke@435 | 99 | void ClassifyObjectClosure::reset() { |
duke@435 | 100 | for (int i = 0; i < number_object_types; ++i) { |
duke@435 | 101 | object_count[i] = 0; |
duke@435 | 102 | object_size[i] = 0; |
duke@435 | 103 | } |
duke@435 | 104 | total_object_count = 0; |
duke@435 | 105 | total_object_size = 0; |
duke@435 | 106 | } |
duke@435 | 107 | |
duke@435 | 108 | |
duke@435 | 109 | void ClassifyObjectClosure::do_object(oop obj) { |
duke@435 | 110 | int i = classify_object(obj, true); |
duke@435 | 111 | ++object_count[i]; |
duke@435 | 112 | ++total_object_count; |
duke@435 | 113 | size_t size = obj->size() * HeapWordSize; |
duke@435 | 114 | object_size[i] += size; |
duke@435 | 115 | total_object_size += size; |
duke@435 | 116 | } |
duke@435 | 117 | |
duke@435 | 118 | |
duke@435 | 119 | size_t ClassifyObjectClosure::print() { |
duke@435 | 120 | int num_objects = 0; |
duke@435 | 121 | size_t size_objects = 0; |
duke@435 | 122 | for (int i = 0; i < number_object_types; ++i) { |
duke@435 | 123 | if (object_count[i] != 0) { |
duke@435 | 124 | tty->print_cr("%8d %-22s (%8d bytes, %5.2f bytes/object)", |
duke@435 | 125 | object_count[i], object_type_name[i], object_size[i], |
duke@435 | 126 | (float)object_size[i]/(float)object_count[i]); |
duke@435 | 127 | } |
duke@435 | 128 | num_objects += object_count[i]; |
duke@435 | 129 | size_objects += object_size[i]; |
duke@435 | 130 | } |
duke@435 | 131 | assert(num_objects == total_object_count, "Object count mismatch!"); |
duke@435 | 132 | assert(size_objects == total_object_size, "Object size mismatch!"); |
duke@435 | 133 | |
duke@435 | 134 | tty->print_cr(" Total: %d objects, %d bytes", total_object_count, |
duke@435 | 135 | total_object_size); |
duke@435 | 136 | return total_object_size; |
duke@435 | 137 | } |
duke@435 | 138 | |
duke@435 | 139 | |
duke@435 | 140 | void ClassifyInstanceKlassClosure::do_object(oop obj) { |
duke@435 | 141 | int type = classify_object(obj, false); |
duke@435 | 142 | if (type == instanceKlass_type || type == klass_type) { |
duke@435 | 143 | Klass* k = ((klassOop)obj)->klass_part(); |
duke@435 | 144 | if (k->alloc_count() > 0) { |
duke@435 | 145 | ResourceMark rm; |
duke@435 | 146 | const char *name; |
duke@435 | 147 | if (k->name() == NULL) { |
duke@435 | 148 | |
duke@435 | 149 | if (obj == Universe::klassKlassObj()) { |
duke@435 | 150 | name = "_klassKlassObj"; |
duke@435 | 151 | } else if (obj == Universe::arrayKlassKlassObj()) { |
duke@435 | 152 | name = "_arrayKlassKlassObj"; |
duke@435 | 153 | } else if (obj == Universe::objArrayKlassKlassObj()) { |
duke@435 | 154 | name = "_objArrayKlassKlassObj"; |
duke@435 | 155 | } else if (obj == Universe::typeArrayKlassKlassObj()) { |
duke@435 | 156 | name = "_typeArrayKlassKlassObj"; |
duke@435 | 157 | } else if (obj == Universe::instanceKlassKlassObj()) { |
duke@435 | 158 | name = "_instanceKlassKlassObj"; |
duke@435 | 159 | } else if (obj == Universe::methodKlassObj()) { |
duke@435 | 160 | name = "_methodKlassObj"; |
duke@435 | 161 | } else if (obj == Universe::constMethodKlassObj()) { |
duke@435 | 162 | name = "_constMethodKlassObj"; |
duke@435 | 163 | } else if (obj == Universe::constantPoolKlassObj()) { |
duke@435 | 164 | name = "_constantPoolKlassObj"; |
duke@435 | 165 | } else if (obj == Universe::constantPoolCacheKlassObj()) { |
duke@435 | 166 | name = "_constantPoolCacheKlassObj"; |
duke@435 | 167 | } else if (obj == Universe::compiledICHolderKlassObj()) { |
duke@435 | 168 | name = "_compiledICHolderKlassObj"; |
duke@435 | 169 | } else if (obj == Universe::systemObjArrayKlassObj()) { |
duke@435 | 170 | name = "_systemObjArrayKlassObj"; |
duke@435 | 171 | } else { |
duke@435 | 172 | name = "[unnamed]"; |
duke@435 | 173 | } |
duke@435 | 174 | } else { |
duke@435 | 175 | name = k->external_name(); |
duke@435 | 176 | } |
duke@435 | 177 | tty->print_cr("% 8d instances of %s", k->alloc_count(), name); |
duke@435 | 178 | } |
duke@435 | 179 | total_instances += k->alloc_count(); |
duke@435 | 180 | } |
duke@435 | 181 | } |
duke@435 | 182 | |
duke@435 | 183 | |
duke@435 | 184 | void ClassifyInstanceKlassClosure::print() { |
duke@435 | 185 | tty->print_cr(" Total instances: %d.", total_instances); |
duke@435 | 186 | } |
duke@435 | 187 | |
duke@435 | 188 | |
duke@435 | 189 | void ClassifyInstanceKlassClosure::reset() { |
duke@435 | 190 | total_instances = 0; |
duke@435 | 191 | } |