Subject: Re: [linux-audio-dev] Low Latency Kernel Combos
From: Jörn Nettingsmeier (nettings_AT_folkwang-hochschule.de)
Date: Sat May 26 2001 - 23:48:14 EEST
Darwin Marcus Johnson wrote:
>
> On Friday 25 May 2001 20:00, Josh Green wrote:
> > I also have Mandrake 8.0. I'm not currently using a low-latency kernel
> > though. I tried Linux 2.4.4 but with or without the low latency patch I
> > experienced some serious scheduling problems. I'm using reiserFS so
> > perhaps thats the kernel code in question. Basically system would stall
> > (X cursor and all other running programs) for a very noticeable time
> > when doing simple things like compiling programs. I even compiled the
> > kernel with Mandrake kgcc when I discovered that 2.9.6 wasn't
>
> How do I go about using kgcc to compile the Kernel? Do I just change gcc to
> kgcc in the make file? Or is there something else that I am missing?
>
> > recommended. Since I haven't found a low latency patch for 2.4.3 I
> > haven't bothered, I would use it if I found one though. I still would
> > like to delve into the 2.4.4 kernel a little to see if I can find the
> > slow down, I need some sort of Linux profiler. I guess I could either
> > try Andrew Mortin's low latency profiling programs or SGI's Linux kernel
> > profiler (their patch is still at 2.4.3 though).
> >
>
> Does anyone know if there is some patch that will work for 2.4.3?
fyi, the patch for 2.4.4 has been around for a week or so. for
2.4.3, there is only a patch for pre8.
http://www.uow.edu.au/~andrewm/linux/schedlat.html#downloads
-- Jörn Nettingsmeier home://Kurfürstenstr.49.45138.Essen.Germany phone://+49.201.491621 http://icem-www.folkwang-hochschule.de/~nettings/ http://www.linuxdj.com/audio/lad/
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