lkml.org 
[lkml]   [2004]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [announce] [patch] Voluntary Kernel Preemption Patch
Ingo Molnar wrote:
> * ismail dönmez <ismail.donmez@gmail.com> wrote:
>
>
>>>what filesystem are you using?
>>>
>>
>>XFS
>
>
> i've fixed latencies in ext3, i'm not sure how bad XFS is. But 2-3
> seconds delay is almost impossible to be a true scheduling latency -
> it's probably IO latency impacting your audio application. (it could
> also be normal preemption latency, if those tasks are not running as
> SCHED_FIFO - but 2-3 seconds preemption latency should not be caused by
> a simple cp -a. This leaves IO latency.).
>

But it only skips when using aRts, which points the other way ;)

If all tasks are using realtime scheduling, then this discounts
the scheduler from the equation, however I'm not sure if this is
the case?
-
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 14:04    [from the cache]
©2003-2011 Jasper Spaans