Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel PreemptionPatch

From: Bill Davidsen
Date: Tue Jul 13 2004 - 17:46:06 EST


Andrew Morton wrote:
Lee Revell <rlrevell@xxxxxxxxxxx> wrote:

resierfs: yes, it's a problem. I "fixed" it multiple times in 2.4, but the

> fixes ended up breaking the fs in subtle ways and I eventually gave up.
>

Interesting. There is an overwhelming consensus amongst Linux audio
folks that you should use reiserfs for low latency work.


It seems to be misplaced. A simple make-a-zillion-teeny-files test here
exhibits a 14 millisecond holdoff.


Should I try ext3?


ext3 is certainly better than that, but still has a couple of potential
problem spots. ext2 is probably the best at this time.

Does anyone have any data points on XFS in this regard? I agree that ext2 is faster than ext3, and ext3 probably has lower latency than reiser3, but I have no info at all on XFS. My JFS experience is all on AIX, as well, so if anyone has that info it might be interesting as well.

--
-bill davidsen (davidsen@xxxxxxx)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
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