Re: ULE/SCHED_SMP diff for 7.0

On 7/17/07, Claus Guttesen <kometen_at_gmail.com> wrote:
> > http://people.freebsd.org/~jeff/ule.diff
> >
> > This patch is scheduled for inclusion in 7.0.  I would like anyone who
> > cares to run it to validate that it does not create any stability or
> > performance regression over the existing ULE.  This patch replaces ULE
> > with SCHED_SMP, which will now no longer exist as a seperate fork of ULE.
>
> Applied the patch and tried to compile new kernel. However I get:
>
> julie/usr/src#>time make -j 3 buildkernel
> --------------------------------------------------------------
> >>> Kernel build for WEBSRV started on Tue Jul 17 10:56:34 CEST 2007
> --------------------------------------------------------------
> ===> WEBSRV
> mkdir -p /usr/obj/usr/src/sys
> --------------------------------------------------------------
> >>> stage 1: configuring the kernel
> --------------------------------------------------------------
> cd /usr/src/sys/amd64/conf;
> PATH=/usr/obj/usr/src/tmp/legacy/usr/sbin:/usr/obj/usr/src/tmp/legacy/usr/bin:/usr/obj/usr/src/tmp/legacy/usr/games:/usr/obj/usr/src/tmp/usr/sbin:/usr/obj/usr/src/tmp/usr/bin:/usr/obj/usr/src/tmp/usr/games:/sbin:/bin:/usr/sbin:/usr/bin
>  config  -d /usr/obj/usr/src/sys/WEBSRV
> /usr/src/sys/amd64/conf/WEBSRV
> /usr/src/sys/amd64/conf/WEBSRV: unknown option "SCHED_SMP"
> *** Error code 1
> 1 error
> *** Error code 2
> 1 error
> make -j 3 buildkernel  0.06s user 0.04s system 101% cpu 0.101 total
>
> I have
>
> options         SCHED_SMP               # Newer SMP scheduler
>
> in my kernel.
>
> Hunk succeeded everytime, src is from last week.
>
> --
> regards
> Claus
>
> When lenity and cruelty play for a kingdom,
> the gentlest gamester is the soonest winner.
>
> Shakespeare
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>
The patch patches SCHED_ULE with SCHED_SMP bits, so you need SCHED_ULE
instead of SMP in the kernel.

Jiawei

-- 
"If it looks like a duck, walks like a duck, and quacks like a duck,
then to the end user it's a duck, and end users have made it pretty
clear they want a duck; whether the duck drinks hot chocolate or
coffee is irrelevant."