MallocStatistics.h   [plain text]

/*
 * Copyright (C) 2012 SoftAtHome. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
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 * 2.  Redistributions in binary form must reproduce the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#pragma once

#include <wtf/FastMalloc.h>
#include <wtf/RefCounted.h>

namespace WebCore {

class MallocStatistics : public RefCounted<MallocStatistics> {
public:
    static Ref<MallocStatistics> create() { return adoptRef(*new MallocStatistics); }

    size_t reservedVMBytes() const { return m_stats.reservedVMBytes; }
    size_t committedVMBytes() const { return m_stats.committedVMBytes; }
    size_t freeListBytes() const { return m_stats.freeListBytes; }

private:
    MallocStatistics()
    {
        m_stats = WTF::fastMallocStatistics();
    }

    WTF::FastMallocStatistics m_stats;
};

} // namespace WebCore