Eben King wrote:
> Something's using up CPU time on my machine, but nothing shows in top
> nor gkrellm's strip charts, nor does any unusual network use show up
> in gkrellm. But bash and trn take seconds to start and exit, and the
> CPU speed is a constant 2.4G (normally it falls back when nothing's
> happening). How can I find out what it is? I can get network bandwidth
> from the internet-facing router for everyone combined (which is mostly
> me), for periods from 1m - 5h.
>
"vmstat 1" will give you details about i/o (not just network i/o),
swapping, etc. It will also give you the CPU usage, similar to "top",
but I have often seen it give good information where "top" is obviously
incorrect.
The "1" parameter is to update every one seconds. You can use whatever
value you like, but just like "top", the first value can't be trusted
(usually pretty whacky) since it will be an incomplete period.
--ronan
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