Messages in this thread | | | Date | Sun, 31 Oct 2004 13:07:21 +0100 | From | Ingo Molnar <> | Subject | Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] |
| |
* Florian Schmidt <mista.tapas@gmx.net> wrote:
> On Sat, 30 Oct 2004 17:26:06 -0400 > Lee Revell <rlrevell@joe-job.com> wrote: > > > OK this is pretty sweet. With T3 the jitter never exceeds 7% on an idle > > system. As soon as I start moving the mouse this goes to 7 or 8%. I > > cannot get it to go higher than 10%. Moving windows around has no > > effect, the highest jitter happens when I type or move the mouse really > > fast IOW it corresponds to the interrupt rate. > > > > This is a pretty good baseline for what an xrun-free system would look > > like. Now to test the latest version... > > Well, > > on V0.5.16 i see something like the below output (which is much worse). It > seems that missed irq's with rtc show up at the same time as the xruns in > jackd do [i ran both jackd and wakeup in parallel].
ok, could you try the -RT-V0.6.0 patch i've just uploaded? It could i believe improve these latencies.
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/
| |