Date: Fri, 11 Jul 2008 13:09:16 +0300 From: Stefan Lambrev <stefan.lambrev@moneybookers.com> To: Paul <paul@gtcomm.net> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, Julian Elischer <julian@elischer.org>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp] Message-ID: <4877314C.5000106@moneybookers.com> In-Reply-To: <4876EC16.5070209@gtcomm.net> References: <2d3001c8def1$f4309b90$020b000a@bartwrkstxp> <486FFF70.3090402@gtcomm.net> <48701921.7090107@gtcomm.net> <4871E618.1080500@freebsd.org> <20080708002228.G680@besplex.bde.org> <48724238.2020103@freebsd.org> <20080708034304.R21502@delplex.bde.org> <20080708045135.V1022@besplex.bde.org> <ed91d4a80807071227q5d9ca283g59270a1ab92c80a9@mail.gmail.com> <48727BA9.6020702@elischer.org> <20080707221257.GH62764@server.vk2pj.dyndns.org> <20080709142008.H26105@delplex.bde.org> <4876EC16.5070209@gtcomm.net>
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Hi Paul, Paul wrote: > I tested Linux in bridge configuration with the same machine and it > CPUed out at about 600kpps through the bridge.. 600kpps incoming or 600kpps incoming+ outgoing ? > That's a bit low :/ Soft interrupt using all the cpu. Same opteron > 2222, 82571EB Pci express NIC. > Tried SMP/ non-smp , load balanced irqs, etc.. Does hwpmc work out of the box (FreeBSD) with those CPUs? > > Good news is using iptables only adds a few percentage onto the CPU > usage. But still, what's with that.. > So far FreeBSD got the highest pps rating for forwarding. I haven't > tried bridge mode. Ipfw probably takes a big hit in that too though. > > Looking for an 82575 to test.. P.S. It was a nice chat, but what we can expect from the future? Any plans, patches etc? Someone suggested to install 8-current and test with it as this is the "fast" way to have something included in FreeBSD. I can do this - I can install 8-current, patch it and put it under load and report results, but need patches :) I guess Paul is in the same situation .. -- Best Wishes, Stefan Lambrev ICQ# 24134177
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