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#ifndef MallocStatistics_h 27#define MallocStatistics_h 28 29#include <wtf/FastMalloc.h> 30#include <wtf/PassRefPtr.h> 31#include <wtf/RefCounted.h> 32 33namespace WebCore { 34 35class MallocStatistics : public RefCounted<MallocStatistics> { 36public: 37 static PassRefPtr<MallocStatistics> create() { return adoptRef(new MallocStatistics()); } 38 39 size_t reservedVMBytes() const { return m_stats.reservedVMBytes; } 40 size_t committedVMBytes() const { return m_stats.committedVMBytes; } 41 size_t freeListBytes() const { return m_stats.freeListBytes; } 42 43private: 44 MallocStatistics() 45 { 46 m_stats = WTF::fastMallocStatistics(); 47 } 48 49 WTF::FastMallocStatistics m_stats; 50}; 51 52} // namespace WebCore 53 54#endif 55