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

Bill Davidsen
2004-07-13T22:42:25Z

Andrew Morton wrote:
> Lee Revell <rlrevell@joe-job.com> 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@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me