lkml.org 
[lkml]   [2004]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [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/

    \
     
     \ /
      Last update: 2005-03-22 14:07    [W:3.948 / U:0.224 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site