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

[K.R. Foley]

Lee Revell wrote:
> On Tue, 2004-08-24 at 01:41, Ingo Molnar wrote:
>
> > * Lee Revell <rlrevell@xxxxxxxxxxx> 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.

Even with both of these set to 4, I still get similar results ~647 usec :(

<snip>
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