Weird system cpu usage
danger at rulez.sk
Wed Mar 19 13:22:09 PDT 2008
Wednesday, March 19, 2008, 6:53:36 PM, you wrote:
> Charlie Root <root at ha-web1.hockeyarena.net> wrote:
> It's preferable to send mail as a real user, not as root,
> for various reasons.
I know, I've just forgot to edit the headers, my apologies.
>> I have to report, that I have a very strange cpu usage by system (as
>> the `top' reports).
> You haven't mentioned what exactly you think is strange
> in your top(1) output. I think it looks pretty normal
> under the given circumstances.
What do you mean by "given" circumstances? I don't think that 50+% cpu
usage by system is that normal.
>> root@[ha-web1 ~]# vmstat -i
>> interrupt total rate
>> irq1: atkbd0 12 0
>> irq16: ohci0 1 0
>> irq17: ohci1 ohci3 1 0
>> irq18: ohci2 ohci4 1 0
>> irq20: em0 86255835 1361
>> irq22: em1 atapci0 18611379049 293795
> Now that looks unusual indeed. Do you get that rate
> on irq22 right after boot, before the services have
> started? It looks like either hardware or driver
> problems. Do you have polling enabled on em1?
No, the rate slowly increases after the system boots. Polling is
disabled at the moment.
Daniel mailto:danger at rulez.sk
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