Date: Wed, 19 Mar 2008 20:51:27 +0100 From: Daniel Gerzo <danger@rulez.sk> To: Oliver Fromme <olli@lurza.secnetix.de> Cc: freebsd-stable@FreeBSD.ORG Subject: Re[2]: Weird system cpu usage Message-ID: <1075101608.20080319205127@rulez.sk> In-Reply-To: <200803191753.m2JHraI5092556@lurza.secnetix.de> References: <669936444.20080319100148@rulez.sk> <200803191753.m2JHraI5092556@lurza.secnetix.de>
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Hello Oliver, Wednesday, March 19, 2008, 6:53:36 PM, you wrote: > Charlie Root <root@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. -- Best regards, Daniel mailto:danger@rulez.sk
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