[linux-audio-user] unsteady seq24

[Florian Paul Schmidt]

On Thu, 10 Aug 2006 12:06:15 +0200
Atte André Jensen <atte.jensen at gmail.com> wrote:

> Hi
> 
> I feel my seq24 is a bit untight. I thought it was due to my clock 
> resolution was set to 250 hz (std ubuntu setting) so I grabbed a new 
> kernel, patched it with
> http://people.redhat.com/mingo/realtime-preempt/  and switched clock
> resolution to 1000 hz.
> 
> However the (slight) untightness is still there, so it must be
> something  else. What should I look for?
> 
> I run xubuntu 6.06 and the problem is observed when seq24 drives 
> hydrogen. It's worse when theres activity on the machine.

seq24's midi thread runs at a too low prio even in realtime mode.

change line 1007 of perform.cc to:

                schp->sched_priority = 80;


and line 1565, too

That helps on my box..

Flo


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