Date: Tue, 2 Dec 2008 10:34:31 -0500 (EST) From: "Mike Jakubik" <mikej@rogers.com> To: "Geoffroy Desvernay" <dgeo@ec-marseille.fr>, freebsd-stable@freebsd.org Cc: delphij@delphij.net Subject: Re: RELENG_7_1: bce driver change generating too much interrupts ? Message-ID: <a7f5cdae0a4a84bb3af5cb5f4a1bf57a.squirrel@wettoast.dyndns.org> In-Reply-To: <4935069A.8060209@ec-marseille.fr> References: <4935069A.8060209@ec-marseille.fr>
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On Tue, December 2, 2008 4:57 am, Geoffroy Desvernay wrote: > Since last upgrade, I see much more CPU time "eated" by interrupts (at > least 10% cpu in top) > (see http://dgeo.perso.ec-marseille.fr/cpu-week.png) I am also seeing the same behavior on a farm of Dell servers. root@web.local:~# vmstat -i interrupt total rate irq1: atkbd0 18 0 irq14: ata0 176 0 irq16: mfi0 67924 1 irq20: uhci1 uhci3 1 0 irq21: uhci0 uhci+ 5 0 cpu0: timer 132244117 1997 irq257: bce1 3366039632 50853 cpu1: timer 132244053 1997 cpu2: timer 132244053 1997 cpu3: timer 132244053 1997 Total 3895084032 58846 Not only this, but i have also noticed that there are a number of errors reported by netstat now. before the drivers update, i would not get these errors. root@web.local:~# netstat -i Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll 0 bce1 1500 <Link#2> 00:1e:c9:b5:cc:b6 1848959 2197 1357031 0 0
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