Stephane Charette wrote:
>
> My questions are:
>
> 1) am I right in thinking that "noapic" will force all interrupts to be handled by 1 CPU?
Yes.
>
> 2) how would you force all interrupts from only 1 hardware device (and not all devices) to be handled by 1 processor, as hinted in the paragraph quoted above?
echo "00000001" > /proc/irq/19/smp_affinity
Will cause irq 19 to be serviced by processor 1
echo "00000003" > /proc/irq/19/smp_affinity
Will allow irq 19 to be serviced by processor 1 and 2
You could also do this in the driver if you wanted.
Note that this will not work when noapic is used..
Mark
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This archive was generated by hypermail 2b29 : Sun Jul 07 2002 - 22:00:10 EST