Re: [patch] voluntary-preempt-2.6.8.1-P8

Lee Revell
2004-08-24T05:46:52Z

On Tue, 2004-08-24 at 01:41, Ingo Molnar wrote:
> * Lee Revell <rlrevell@joe-job.com> wrote:
>
> > > - reduce netdev_max_backlog to 8 (Mark H Johnson)
> >
> > On my system this setting has absolutely no effect on the skb related
> > latencies. [...]
>
> it has an effect on input queue length. Output queue lengths can be
> reduced via 'ifconfig eth0 txqueuelen 8'.
>

OK. With both of these set to 4, the largest latency I was able to
generate by ping flooding was 253 usecs.

Is there any particular reason one of these parameters is set via a
sysctl/proc entry, and one by ifconfig?

Lee