Date: Thu, 27 Jan 2011 09:27:24 -0800 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Damien Fleuriot <ml@my.gd> Cc: freebsd-stable@freebsd.org, "Vogel, Jack" <jack.vogel@intel.com>, freebsd-pf@freebsd.org Subject: Re: High interrupt rate on a PF box + performance Message-ID: <20110127172724.GA36587@icarus.home.lan> In-Reply-To: <4D41417A.20904@my.gd> References: <4D41417A.20904@my.gd>
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On Thu, Jan 27, 2011 at 10:57:14AM +0100, Damien Fleuriot wrote: > Hello list, > > I have a problem with interrupts, network cards, and PF performance. > > We have 2 firewalls running FreeBSD 8.0 for the current master and > FreeBSD 8.1 for the backup host, which I upgraded just yesterday. > > [...] > > vmstat -i > --- > interrupt total rate > irq14: ata0 36 0 > irq16: mfi0 353244 1 > irq21: uhci0 uhci+ 461504 1 > cpu0: timer 615183815 1996 > irq256: bce0 1015412475 3295 > irq257: igb0 1067318584 3464 > irq258: igb0 695648752 2258 > irq259: igb0 2 0 > irq260: igb1 11503857 37 > irq261: igb1 506598 1 > irq262: igb1 69 0 > irq269: bce1 790820 2 > cpu1: timer 615183757 1996 > cpu2: timer 615197165 1996 > cpu3: timer 615197165 1996 > Total 5252757843 17050 There are changes to the igb(4) driver which are in RELENG_8 (8-STABLE), and some which will be in the upcoming 8.2-RELEASE, which may address this. Jack Vogel of Intel would be able to confirm for sure; CC'ing him here. Could you please provide output from the following commands? * pciconf -lvcb (only include igbX entries, thanks) * sysctl -a | grep msi Thanks. I can't help with the CARP-related issues or other stuff you're experiencing. These issues may all be separate problems, hard to say. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP 4BD6C0CB |
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