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src/share/vm/services/allocationSite.hpp@833b0f92429a (annotated)
src/share/vm/services/allocationSite.hpp
Wed, 27 Aug 2014 08:19:12 -0400
- author
- zgu
- date
- Wed, 27 Aug 2014 08:19:12 -0400
- changeset 7074
- 833b0f92429a
- child 9778
- bf6ea7319424
- permissions
- -rw-r--r--
8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill
| zgu@7074 | 1 | /* |
| zgu@7074 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| zgu@7074 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| zgu@7074 | 4 | * |
| zgu@7074 | 5 | * This code is free software; you can redistribute it and/or modify it |
| zgu@7074 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| zgu@7074 | 7 | * published by the Free Software Foundation. |
| zgu@7074 | 8 | * |
| zgu@7074 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| zgu@7074 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| zgu@7074 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| zgu@7074 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| zgu@7074 | 13 | * accompanied this code). |
| zgu@7074 | 14 | * |
| zgu@7074 | 15 | * You should have received a copy of the GNU General Public License version |
| zgu@7074 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| zgu@7074 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| zgu@7074 | 18 | * |
| zgu@7074 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| zgu@7074 | 20 | * or visit www.oracle.com if you need additional information or have any |
| zgu@7074 | 21 | * questions. |
| zgu@7074 | 22 | * |
| zgu@7074 | 23 | */ |
| zgu@7074 | 24 | |
| zgu@7074 | 25 | #ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP |
| zgu@7074 | 26 | #define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP |
| zgu@7074 | 27 | |
| zgu@7074 | 28 | #include "memory/allocation.hpp" |
| zgu@7074 | 29 | #include "utilities/nativeCallStack.hpp" |
| zgu@7074 | 30 | |
| zgu@7074 | 31 | // Allocation site represents a code path that makes a memory |
| zgu@7074 | 32 | // allocation |
| zgu@7074 | 33 | template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC { |
| zgu@7074 | 34 | private: |
| zgu@7074 | 35 | NativeCallStack _call_stack; |
| zgu@7074 | 36 | E e; |
| zgu@7074 | 37 | public: |
| zgu@7074 | 38 | AllocationSite(const NativeCallStack& stack) : _call_stack(stack) { } |
| zgu@7074 | 39 | int hash() const { return _call_stack.hash(); } |
| zgu@7074 | 40 | bool equals(const NativeCallStack& stack) const { |
| zgu@7074 | 41 | return _call_stack.equals(stack); |
| zgu@7074 | 42 | } |
| zgu@7074 | 43 | |
| zgu@7074 | 44 | bool equals(const AllocationSite<E>& other) const { |
| zgu@7074 | 45 | return other.equals(_call_stack); |
| zgu@7074 | 46 | } |
| zgu@7074 | 47 | |
| zgu@7074 | 48 | const NativeCallStack* call_stack() const { |
| zgu@7074 | 49 | return &_call_stack; |
| zgu@7074 | 50 | } |
| zgu@7074 | 51 | |
| zgu@7074 | 52 | // Information regarding this allocation |
| zgu@7074 | 53 | E* data() { return &e; } |
| zgu@7074 | 54 | const E* peek() const { return &e; } |
| zgu@7074 | 55 | }; |
| zgu@7074 | 56 | |
| zgu@7074 | 57 | #endif // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP |
