irq cpu binding

[Slawa Olhovchenkov]

On Sat, Mar 28, 2015 at 08:20:08AM -0700, Adrian Chadd wrote:

> 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.

cpuset don't work as expected -- I see irq handling on other cpu.