Re: Network Performance Ingo's RT-Preempt

From: Matt Mackall
Date: Wed Mar 30 2005 - 03:43:24 EST


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.

--
Mathematics is the supreme nostalgia of our time.
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