FreeBSD 5.3 Network performance tests

pete wright nomadlogic at gmail.com
Thu Nov 11 18:55:06 GMT 2004


On Fri, 12 Nov 2004 00:04:44 +0530, Subhro <subhro.kar at gmail.com> wrote:
> Hi,
> 
> 
> 
> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org
> [mailto:owner-freebsd-questions at freebsd.org] On Behalf Of TM4526 at aol.com
> Sent: Thursday, November 11, 2004 23:57
> To: questions at freebsd.org
> Subject: FreeBSD 5.3 Network performance tests
> 
> As promised, I've tested the basic network stack for 5.3 -RELEASE
> The results follow:
> 
> Hardware:
> 
> Celeron 1.7Ghz processor
> Dual onboard Intel NICs, fxp driver
> Intel 845G chipset
> 256MB Ram, 120MB allocated to the kernel.
> 
> Setup:
> 
> Setup 1: Generic Kernel
> 
> FreeBSD 4.10: 40% interrupt usage
> FreeBSD 5.3: 55% interrupt usage
> 
> Setup 2:
> 
> The systems were stripped of all hooks, including firewalls,
> gif and bpf inputs.
> 
> FreeBSD 4.10: 35% interrupt usage
> FreeBSD 5.3: 48% interrupt usage
> 
> Setup 3:
> 
> We typically use Freebsd with IPFIREWALL and
> IPDIVERT enabled. The setup had only 1 allow
> rule in the ruleset:
> 
> FreeBSD 4.10: 42% interrupt usage
> FreeBSD 5.3: 58% interrupt usage
> 
> 
> Thanks for your test results. Was DEVICE_POLLING enables in the kernel and
> the sysctl?

yes i think it's good that we can now get down to testing real metrics
here!  would it also be worth posting a dmesg/kernconf as well.

cheers,
     pete



-- 
~~o0OO0o~~
Pete Wright
www.nycbug.org
NYC's *BSD User Group


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