[linux-audio-user] I/O scheduler for 2.6 kernel

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Hi!

Alle 16:18, mercoled? 28 settembre 2005, Mark Knecht ha scritto:
> I believe that you are using anticipatory. I don't know which one is
> best for low latency.
>
> You can try each one (I think) by adding a boot time option to grub.conf
>
> elevator=deadline
>
> or
>
> elevator=cfq
>
> for example.
>
> I've been interested in this also, but not enough to try and develop a
> real test. I suspect you'll have to run for a while to make a real
> determination.

I read at 
http://www.jacklab.net/index.php?option=com_content&task=blogcategory&id=236&Itemid=221&lang=en_EN
that you should use the Realtime Preemption Patch and then enable it.
I'm running a 2.6.12 kernel patched with this and using also the realtime-lsm 
module.
But now I'm confused, because
1) "less /sys/block/hda/queue/scheduler" gives me "noop [anticipatory] 
deadline cfq", so where is the realtime preemption? Is it useful since you do 
not even mention it? 
2)I discovered that the rlimits way it's better: is it true? Is it also 
simpler than loading the realtime module, which I can do in a straightforward 
way?

Byez!

Carotinho

	

	
		
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