1 | /* |
2 | * Copyright (C) 2012 SoftAtHome. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * |
14 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
16 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
17 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
18 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
19 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
20 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
21 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include <wtf/FastMalloc.h> |
29 | #include <wtf/RefCounted.h> |
30 | |
31 | namespace WebCore { |
32 | |
33 | class MallocStatistics : public RefCounted<MallocStatistics> { |
34 | public: |
35 | static Ref<MallocStatistics> create() { return adoptRef(*new MallocStatistics); } |
36 | |
37 | size_t reservedVMBytes() const { return m_stats.reservedVMBytes; } |
38 | size_t committedVMBytes() const { return m_stats.committedVMBytes; } |
39 | size_t freeListBytes() const { return m_stats.freeListBytes; } |
40 | |
41 | private: |
42 | MallocStatistics() |
43 | { |
44 | m_stats = WTF::fastMallocStatistics(); |
45 | } |
46 | |
47 | WTF::FastMallocStatistics m_stats; |
48 | }; |
49 | |
50 | } // namespace WebCore |
51 | |