Re: [PATCH] Preemption Latency Measurement Tool

From: Robert Love (rml@tech9.net)
Date: Sat Sep 22 2001 - 21:54:49 EST

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On Sat, 2001-09-22 at 19:46, Dieter Nützel wrote:
> Nope.
> If you would have read (all) posts about this and related threads you should
> have noticed that I am and others running SCSI systems...
>
> >
> > even i dont get any skips when i run the player at nice -n -20.
>
> During dbench 16/32 and higher? Are you sure?

I can't speak for safemode, but doing something like:

[22:43:47]rml@phantasy:~$ mpg321 /home/mp3/Get_Up_Kids-Woodson.mp3 &
[22:52:03]rml@phantasy:~$ dbench 16

I don't get any blips (nothing over 0.5s, anyhow, I would wager).

This is a P3-733, i815 board, 384MB PC133, AHA-2940U2W, U2W IBM 9GB system.

Linux 2.4.9-ac14 + preempt + and more

-- Robert M. Love rml at ufl.edu rml at tech9.net

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