Mercurial > hg > truffle
comparison src/share/vm/services/allocationSite.hpp @ 20360:833b0f92429a
8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill
author | zgu |
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date | Wed, 27 Aug 2014 08:19:12 -0400 |
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20359:4d3a43351904 | 20360:833b0f92429a |
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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 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP | |
26 #define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "utilities/nativeCallStack.hpp" | |
30 | |
31 // Allocation site represents a code path that makes a memory | |
32 // allocation | |
33 template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC { | |
34 private: | |
35 NativeCallStack _call_stack; | |
36 E e; | |
37 public: | |
38 AllocationSite(const NativeCallStack& stack) : _call_stack(stack) { } | |
39 int hash() const { return _call_stack.hash(); } | |
40 bool equals(const NativeCallStack& stack) const { | |
41 return _call_stack.equals(stack); | |
42 } | |
43 | |
44 bool equals(const AllocationSite<E>& other) const { | |
45 return other.equals(_call_stack); | |
46 } | |
47 | |
48 const NativeCallStack* call_stack() const { | |
49 return &_call_stack; | |
50 } | |
51 | |
52 // Information regarding this allocation | |
53 E* data() { return &e; } | |
54 const E* peek() const { return &e; } | |
55 }; | |
56 | |
57 #endif // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP |