Re: NAPI and tg3

Robert Olsson (Robert.Olsson@data.slu.se)
Tue, 7 Jan 2003 19:51:27 +0100


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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/