1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
124
125 DEBUG_ONLY(inline const MemoryCounter& malloc_counter() const { return _malloc; })
126 DEBUG_ONLY(inline const MemoryCounter& arena_counter() const { return _arena; })
127 };
128
129 class MallocMemorySummary;
130
131 // A snapshot of malloc'd memory, includes malloc memory
132 // usage by types and memory used by tracking itself.
133 class MallocMemorySnapshot : public ResourceObj {
134 friend class MallocMemorySummary;
135
136 private:
137 MallocMemory _malloc[mt_number_of_types];
138 MemoryCounter _tracking_header;
139
140
141 public:
142 inline MallocMemory* by_type(MEMFLAGS flags) {
143 int index = NMTUtil::flag_to_index(flags);
144 return &_malloc[index];
145 }
146
147 inline MallocMemory* by_index(int index) {
148 assert(index >= 0, "Index out of bound");
149 assert(index < mt_number_of_types, "Index out of bound");
150 return &_malloc[index];
151 }
152
153 inline MemoryCounter* malloc_overhead() {
154 return &_tracking_header;
155 }
156
157 // Total malloc'd memory amount
158 size_t total() const;
159 // Total malloc'd memory used by arenas
160 size_t total_arena() const;
161
162 inline size_t thread_count() const {
163 MallocMemorySnapshot* s = const_cast<MallocMemorySnapshot*>(this);
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1 /*
2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
124
125 DEBUG_ONLY(inline const MemoryCounter& malloc_counter() const { return _malloc; })
126 DEBUG_ONLY(inline const MemoryCounter& arena_counter() const { return _arena; })
127 };
128
129 class MallocMemorySummary;
130
131 // A snapshot of malloc'd memory, includes malloc memory
132 // usage by types and memory used by tracking itself.
133 class MallocMemorySnapshot : public ResourceObj {
134 friend class MallocMemorySummary;
135
136 private:
137 MallocMemory _malloc[mt_number_of_types];
138 MemoryCounter _tracking_header;
139
140
141 public:
142 inline MallocMemory* by_type(MEMFLAGS flags) {
143 int index = NMTUtil::flag_to_index(flags);
144 assert(index >= 0 && index < mt_number_of_types, "Index out of bound");
145 return &_malloc[index];
146 }
147
148 inline MallocMemory* by_index(int index) {
149 assert(index >= 0, "Index out of bound");
150 assert(index < mt_number_of_types, "Index out of bound");
151 return &_malloc[index];
152 }
153
154 inline MemoryCounter* malloc_overhead() {
155 return &_tracking_header;
156 }
157
158 // Total malloc'd memory amount
159 size_t total() const;
160 // Total malloc'd memory used by arenas
161 size_t total_arena() const;
162
163 inline size_t thread_count() const {
164 MallocMemorySnapshot* s = const_cast<MallocMemorySnapshot*>(this);
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