system idle process

Discussion in 'C++' started by George2, Jan 15, 2008.

  1. George2

    George2 Guest

    Hello everyone,


    In your experience, what is system idle process doing? In my
    experience, this means system is (CPU is waiting for) doing some I/O,

    1. like hard page fault;
    2. waiting for information from network.

    Are there any other cases which will cause system idle process happen
    and consume a non-neglitible percentage of CPU?


    thanks in advance,
    George
     
    George2, Jan 15, 2008
    #1
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  2. George2

    Tim H Guest

    On Jan 14, 9:11 pm, George2 <> wrote:
    > Hello everyone,
    >
    > In your experience, what is system idle process doing? In my
    > experience, this means system is (CPU is waiting for) doing some I/O,
    >
    > 1. like hard page fault;
    > 2. waiting for information from network.
    >
    > Are there any other cases which will cause system idle process happen
    > and consume a non-neglitible percentage of CPU?


    This has nothing to do with C++, but the idle process is what your OS
    does when it has nothing else to do. It's not "consuming" CPU at
    all. If anything, it is probably putting the CPU into a sleep state.
     
    Tim H, Jan 15, 2008
    #2
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