CPU usage, can't find the culprit

Hi guys,
I noticed that my system dramatically slows down at times, so the first place i looked was the Task Manager where I noticed that my cpu usage is hovering around 70-80%. I scrolled through the list of running processes to see if i could find the one that's eating up all that processing powa, but i came out emptyhanded, just the system idle processes @ 98% as usual and two others using about 1-3%, ldc++ and icqlite.
So i was wondering is there anything i could do to find out what's going on (or any ideas?) so i can have a crack at fixing this problem?
thanx
2 answers Last reply
More about usage find culprit
  1. well if you say your total cpu suage was around 70%, on the processes tab you should be able to see something spiking up as well...but i don't know often your cpu pegs at 70-80%, so you might be missing it

    this is a more advanced version of task manager, maybe it'll help more and help you narrow this down, but i think you gotta look at it more often to find the pattern

    http://www.sysinternals.com/utilities/processexplorer.html

    download link at the bottom
  2. hi.
    most of times this procces seems to get the
    most cpu usage on task manager.
    system idle processes @ 98% .
    but if you chec your cpu usage with other programm you will see that the previous report from task maneger is false.
    http://www.tiler.com/freemeter/
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