Messages in this thread | | | Date | Sat, 16 Nov 2002 15:52:29 -0800 | From | Chris Wedgwood <> | Subject | Re: [lart] /bin/ps output |
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On Sun, Nov 17, 2002 at 12:11:35AM +0000, Alan Cox wrote:
> Bill - so what happens if you trim down the aio, event and ksoftirqd > threads to a sane size (you might also want to do something about > the fact 2.5 still runs ksoftirq too easily). Intuitively I'd go for > a square root of the number of processors + 1 sort of function but > what do the benchmarks say ?
IMO having various threads per-CPU is getting silly for (say) 4+ CPUs. Even for two CPUs it means quite a good number of kernel threads.
Does anyone really know for certain that this is necessary versus having few per-CPU threads calling into state-machine functions?
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