How to find what is causing freezes sometimes?

Discussion in 'MacBook Pro' started by temen, Dec 15, 2011.

  1. temen macrumors member

    Joined:
    Apr 15, 2011
    #1
    Hi,

    Im not sure if this is correct forum.. but.

    Sometimes my macbook 17'' 2011 is lagging, freezing.
    I have always eye for memory/cpu usage (iStat), so I see I always have at least 1-2GB ram free (of 8GB total), cpu usage is very rare more than 20%.

    Maybe it's lagging because of iowait?
    There's some good way to find out what is causing slowness sometimes? If I will know that this is hard drive for example I can buy ssd. But I'd like to know before I'll buy anything ;)

    Thanks!
     
  2. yakult121 macrumors newbie

    Joined:
    Dec 15, 2011
    #2
    Happens to mine as well. I see lagging, sometime the bouncing beach ball would just come onscreen for no reason.

    Once in a while, OSX will reboot under heavy load (I'm running VirtualBox 4.1.6 with Oracle Solaris as Guest).
     

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