Thread: Memory usage From C++ Program

  1. #1
    Registered User
    Join Date
    Jun 2007

    Memory usage From C++ Program

    Hey everybody,

    Do any of you know of a way to monitor the memory usage of your C++ program in Linux from within your program?

    Thank you for your help.

  2. #2
    Registered User
    Join Date
    Nov 2006
    you probably have to write your own new/delete operator. That should be easy, because the only thing they have to do es to add/substract sizeof(operand_to_new/delete) to some global value and then execute standard new/delete.

    I never tried this so it could be wrong

  3. #3
    Registered User
    Join Date
    Jun 2007
    This will get the usage only for the dynamic memory. However, I want the usage for the whole program. Thanks for trying to help though.

  4. #4
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    Linux maintains a lot of live information in "/var/proc"
    IIRC, each process has it's process ID in there somewhere, and within that may exist the information you're after.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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