irq cpu binding

[Adrian Chadd]

On 28 March 2015 at 04:20, Slawa Olhovchenkov <slw at zxy.spb.ru> wrote:
> Can someone describe how on FreeBSD/amd64 do interrupt handling?
> Can be interrupt handler (hardware interrupt) direct dispatch to
> specific CPU core (and only to this core)?
> Can be all work be only on this core (ithread, device driver interrupt
> handler, finalise)?

Yes - you can use cpuset on the interrupt to get them bound that way.

John and I are trying to make that whole process more automated and
NUMA friendly. I'm debugging some of his work at the moment.



-adrian