Device polling

[Ruslan Ermilov]

On Mon, Jun 14, 2004 at 12:24:29AM -0700, Luigi Rizzo wrote:
> On Mon, Jun 14, 2004 at 01:36:58AM +0300, Ruslan Ermilov wrote:
> > On Sun, Jun 13, 2004 at 04:07:13PM -0500, Jon Noack wrote:
> > > On 06/13/04 13:13, Ruslan Ermilov wrote:
> > > >On Sun, Jun 13, 2004 at 01:07:28PM -0500, Jon Noack wrote:
> > > >>I just tested this on my SMP all-in-one home server (Web, Mail,
> ...
> > Bump HZ.  If you were using the 64-bit PCI I'd say bump it
> > to 5000, but since you're using 32-bit PCI, bumping it that
> > high just doesn't make sense, so raise it up to 2000-3000.
> > 
> > Set kern.polling.idle_poll=1.
>       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> this is the part that cannot possibly work with SMP,
> and that seems to have problem with current even on !SMP
> 
What, idle priority kthreads does work correctly?  (My real
experience with polling(4) is under -STABLE.)


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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