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SubjectRe: Network Performance Ingo's RT-Preempt
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On Wed, 2005-03-30 at 00:42 -0800, Matt Mackall wrote:
> On Sun, Mar 27, 2005 at 10:27:40PM +0000, Christensen Tom wrote:
> > I'm running 2.6.11 with Ingo's Preempt patch
> > (realtime-preempt-2.6.11-final-V0.7.40-04). The system is SMP with a
> > broadcom NIC (tg3 driver). I am seeing truly appalling network performance
> > (2-4kbps on a 1gbps network). Is this a known issue? I know this patch is
> > not production ready, what traces/logs do you need/want to be able to
> > debug/fix this?
>
> What is your test app and what protocol does it use?
>
> What performance do you get with mainline?
>
> A tcpdump log is probably a good place to start. You might consider
> cc:ing Ingo and possibly netdev.
>

Before you even bother, try the latest version. That version is too old
to be useful for debugging.

Lee

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