Why is Safari using 91% of a CPU when it's in the background!?!

Discussion in 'Mac Apps and Mac App Store' started by Moof1904, Sep 3, 2007.

  1. Moof1904 macrumors 65816

    Joined:
    May 20, 2004
    #1
    WTF? Why is Safari using 91% according to the Activity Monitor and to top it off, Safari has only one window open and it's in the background?!?!? (The one window, btw, was Mac Rumors.)
     

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  2. hawaiian macrumors member

    hawaiian

    #2
    Good question. My best guess is that Safari is using 91% of the processing power that is being used at that moment, not 91% of total available processing power. You might be able to verify that.
     
  3. jczubach macrumors 6502

    jczubach

    Joined:
    May 15, 2007
    Location:
    northwest
    #3
    that seems insanely high, here's mine. Have you tried restarting safari?
     

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  4. Moof1904 thread starter macrumors 65816

    Joined:
    May 20, 2004
  5. MK2007 macrumors regular

    Joined:
    Aug 31, 2007
    #5
    How long was it at 91%? When you doing nothing Safari should be at 0.00%.
     
  6. Eidorian macrumors Penryn

    Eidorian

    Joined:
    Mar 23, 2005
    Location:
    Indianapolis
  7. Moof1904 thread starter macrumors 65816

    Joined:
    May 20, 2004
    #7
    It was in the background while I was away from the computer. I returned to hear my fans running (Dual 2.5 G5), launched Activity Monitor and saw that Safari, sitting idle in the background on the MacRumors Forums page (no other windows open) was running at 91%. I started this thread, posted the thread, and when I next looked, Safari was behaving itself again. I look while I'm typing this and it's occasionally jumping up to 6% or 7%, but nothing unreasonable.
     

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