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SubjectRe: How how latent should non-preemptive scheduling be?
On Wed, 17 Sep 2008 22:18:18 +0100
Sitsofe Wheeler <sitsofe@yahoo.com> wrote:

> Hi,
>
> I have an EeePC 900 (Intel Celeron 900Mhz) and it seems to be
> skipping while playing sound through various desktop apps with a
> 2.6.27rc6 kernel. It is running off an SD card which really shows up
> slow writes but the sound is seemingly skipping even when ext3 is not
> being used. When look at latencytop I often see results similar to
> this:
>
> > Cause Maximum
> > Percentage Scheduler: waiting for cpu 247.2
> > msec 64.6 % futex_wait do_futex sys_futex
> > sysenter_do_call 5.0 msec 24.8 % do_select
> > core_sys_select sys_select sysenter_do_c 4.7 msec 0.7 %
> > do_sys_poll sys_poll sysenter_do_call 4.5


this says you haven't done "make install" on the latencytop directory
so it's not translating things for you.. can you do that please?


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