Page File counter and Private Bytes Counter

Discussion in 'C++' started by George2, Jan 31, 2008.

  1. George2

    George2 Guest

    Hello everyone,


    I am not sure whether I am wrong or the Windows Internals Book 4th
    version is wrong.

    Here is what the book says in Chapter 7, Memory Management from Page
    444 to Page 445

    --------------------
    Thus, the Process: Page File Bytes performance counter is actually the
    total process private committed memory, of which none, some or all may
    be in the paging file (In fact, it's the same as the Process: Private
    Bytes performance counter).
    --------------------


    This is what help from perfmon said about Page File Bytes Counter

    --------------------
    Page File Bytes is the current amount of virtual memory, in bytes,
    that this process has reserved for use in the paging file(s). Paging
    files are used to store pages of memory used by the process that are
    not contained in other files. Paging files are shared by all
    processes, and the lack of space in paging files can prevent other
    processes from allocating memory. If there is no paging file, this
    counter reflects the current amount of virtual memory that the process
    has reserved for use in physical memory.

    Private Bytes is the current size, in bytes, of memory that this
    process has allocated that cannot be shared with other processes.
    --------------------

    Absolutely Page File Bytes and Private Bytes are different. Any
    comments?


    thanks in advance,
    George
    George2, Jan 31, 2008
    #1
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  2. * George2:
    > [off-topic]


    See the FAQ about topicality.

    --
    A: Because it messes up the order in which people normally read text.
    Q: Why is it such a bad thing?
    A: Top-posting.
    Q: What is the most annoying thing on usenet and in e-mail?
    Alf P. Steinbach, Jan 31, 2008
    #2
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