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SubjectRe: 2.5: system time goes up to 100%
Arador <diegocg@teleline.es> wrote:
>
> Hi, i've the following case (more info provided below):
>
> procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
> r b swpd free buff cache si so bi bo in cs us sy id wa
> 0 1 44268 124776 10380 64736 5 8 93 37 600 281 11 2 85 3
> 1 0 44268 124160 10584 64736 0 0 196 196 1750 1518 1 41 49 9
> ...
> 8209527 total 4,5041
> 8035501 default_idle 100443,7625
> 39060 ext3_find_entry 35,9007
> 19200 serial_in 171,4286
> 18957 check_poison_obj 131,6458

That all looks OK. Your machine is waiting on disk I/O.

We changed the representation of the cpu states in /proc a while ago and I
have a vague feeling that this has caused some versions of the userspace
tools to confuse disk-wait with system time.

Try grabbing the latest vmstat from procps.sourceforge.net

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