On Thu, 2006-12-07 at 21:58 +0100, Ingo Molnar wrote:
> * Fernando Lopez-Lezcano <[email protected]> wrote:
>
> > Much better performance in terms of xruns with Jackd. Hardly any at
> > all as it should be. I'm starting to test -rt8 right now.
> >
> > Now, I still don't have an smp machine to test so the improvement
> > could be because I'm just running 64 bit up instead of smp. Or it
> > could have been the hardware on that other machine that had some
> > problem (either because it was starting to fail or because the kernel
> > drivers for that hardware were somehow triggering the xruns).
>
> i think it's the UP vs. SMP difference. We are chasing some SMP
> latencies right now that trigger on boxes that have deeper C sleep
> states. idle=poll seems to work around those problems.
Oh well, it looked too good, anyway, it is winter here so the extra
heating should be fine :-)
I'll try to get something to test smp again...
-- Fernando
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