Re: Low-latency/Preemptible/Compressed Cache
I applied this patch and checked off CONFIG_LOWLAT and CONFIG_LOWLAT_SYSCTL,
but I don't see a /proc/sys/kernel/lowlatency as mentioned here:
http://www.zip.com.au/~akpm/linux/schedlat.html#downloads
I'm running 2.4.20-benh1, do I need to make this or something? Is there
any other way to determine if I've applied the patch successfully?
-Brett
> > Ok, as long as I'm recompiling tonight, I'll throw these in - so do I
> > just add a line:
> >
> > define_bool CONFIG_LOWLAT y
> >
> > at the top of linux/arch/ppc/config.in?
>
> More or less, here's what I use.
>
> --- linux-2.4.20-ben1/arch/ppc/config.in 2002-12-14 13:53:11.000000000 +0100
> +++ linux-2.4.20-ben1-xfs-ck/arch/ppc/config.in 2002-12-28 01:53:34.000000000 +0100
> @@ -52,6 +52,9 @@ else
> define_bool CONFIG_PPC_STD_MMU n
> fi
>
> +bool 'Low latency scheduling' CONFIG_LOLAT
> +dep_bool 'Control low latency with sysctl' CONFIG_LOLAT_SYSCTL $CONFIG_LOLAT
> +
> bool 'CPU Frequency scaling' CONFIG_CPU_FREQ
> if [ "$CONFIG_CPU_FREQ" = "y" ]; then
> bool ' /proc/sys/cpu/ interface (2.4.)' CONFIG_CPU_FREQ_24_API
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