Messages in this thread | | | Date | Wed, 17 Sep 2008 14:34:39 -0700 | From | Arjan van de Ven <> | Subject | Re: How how latent should non-preemptive scheduling be? |
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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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