On Feb 16, 2007, at 10:54 AM, Nagy László Zsolt wrote:
Possible hardware problem perhaps? Are you able to run a "burn-in"
test on the machine?
What is that? How can I perform that? (Tomorrow the machine will be
free, I can play with it.)
I can imagine that the processor is overheated and so the frequency
was reduced by the BIOS. But that does not explain why I cannot see
the process using the CPU. An invisible process eating up CPU time
cannot be a hardware problem, can it?
One possibility is that your CPU fan has failed, in which case newer
machines would downclock itself extremely in order to avoid burning
out-- that might be an explanation for why your performance has
decreased so much. Otherwise, try using "ps auxw" to show all of the
processes which are running and see whether there are surprising
things, or perhaps try "top -o time" to sort by accumulated CPU time
and look at what's consuming the most...
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