Re: NAPI and tg3

From: Robert Olsson (Robert.Olsson@data.slu.se)
Date: Tue Jan 07 2003 - 13:51:27 EST


Steffen Persvold writes:
>
> I've also tried the NAPI patch for e1000 and it experience the same
> performance problem with multithreaded apps. The "NAPI-HOWTO" doesn't
> mention that this could be an issue at all. Does any of the NAPI authors
> (Jeff ?) have any comments ?

 Well wasn't ksoftirqd the general solution to schedule softirq's to run
 before next interrupt and by putting them under scheduler control the
 consecutive softirq's is prevented to monopolize the CPU.

 Well you're right the doc may mention this...

 Cheers.
                                                --ro
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