CPU process over 100%

Discussion in 'OS X Mountain Lion (10.8)' started by macmacr, Sep 7, 2013.

  1. macrumors newbie

    Joined:
    Dec 30, 2012
    #1
    I have a Macbook pro running OS 10.8.4 (Mountain Lion) and it displayed a process of over 100% as shown on the enclosed. This should of never occurred and is indicative of a hidden processas the operating system assigns the amount of process space to be used.
    Does anyone have an idea as to how this could of occurred?
     

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  2. macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    This happens very often and is no indication of anything besides normal computer operation. Mac OS X computes CPU usage correctly with each core or thread being 100%. Windows does things different where all cores total equal 100%. In your case, that process is using one core's complete amount of cycles and 0.9% of another cores.
     
  3. macrumors G3

    Joined:
    May 10, 2004
    #3
    100% would be the equivalent of 1 full hyperthread actually, not 1 core.
     
  4. macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #4
    Hence why I said "each core or thread being 100%". Do note the conjunction "or".
     

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