Messages in this thread | | | Subject | Re: NAPI and tg3 | From | Alan Cox <> | Date | 06 Jan 2003 16:36:00 +0000 |
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On Mon, 2003-01-06 at 15:00, Steffen Persvold wrote: > I discovered that if I renice the ksoftirqd processes to level 0, the > performance was actually better with the NAPI enabled driver compared to > the one without (as was intended my NAPI IIRC). With the default nice > level (19) on the ksoftirqd processes, the performance on multithreaded > programs was pretty lousy with the NAPI enabled driver. > > Any reason why the ksoftirqd shouldn't be nice level 0 by default ? Is > this already fixed in 2.4.21-pre series ?
Hack the code to only fall back to ksoftirqd when there are say 10 rather than 1 pending event and it should perform even better but still handle overload properly
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