lkml.org 
[lkml]   [2004]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.29-0

* Florian Schmidt <mista.tapas@gmx.net> wrote:

> > Will build 29-4 PREEMPT_REALTIME now and see how this one behaves.
>
> Pretty much as bad as 29-1. Sadly i have no idea on how to find out
> what is causing jackd to act so weird under a PREEMPT_REALTIME kernel.
> It seems there is some correlation to activity on X. Hiding and
> showing windows has a certain chance of triggering a large xrun.

do you have chrt-ed the IRQ#0 thread and the soundcard thread as well?

> So i don't really know how to go about this. I suppose i just run
> PREEMPT kernels instead of PREEMPT_REALTIME. Maybe it's the overhead
> which is killing jackd performance with PREEMPT_REALTIME, but i don't
> believe so (50ms? nah!).

agreed, no way can 50msec be related to overhead.

Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:08    [W:0.558 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site