DEVICE_POLLING in 5.3
stephan.yaraghchi at boerse-berlin-bremen.de
Fri Sep 24 07:23:55 PDT 2004
> -----Original Message-----
> From: Alex de Kruijff [mailto:freebsd at akruijff.dds.nl]
> Sent: Friday, September 24, 2004 3:20 AM
> To: Yaraghchi, Stephan
> Cc: freebsd-questions at freebsd.org
> Subject: Re: DEVICE_POLLING in 5.3
> On Thu, Sep 23, 2004 at 03:27:22PM +0200, Yaraghchi, Stephan wrote:
> > Hi fellows,
> > I'm trying to tune network performance of a 5.3-BETA5 box
> > by compiling the DEVICE_POLLING and HZ=1000 options into
> > the kernel. Compilation went fine.
> > I found the usual warning in /usr/src/sys/kern/kern_poll.c
> > concerning device polling in SMP kernels and removed it.
> > To finally enable the feature one have to set the sysctl
> > kern.polling.enable to value '1'.
> > The only problem is that 5.3-BETA5 doesn't know about it:
> > sysctl: unknown oid 'kern.polling.enable'
> > Any advice is highly appreciated.
> Did you do a full make buildworld/kernel installkernel/world? If not
> then this might be why sysctl doesn't know about it. If so then maybe
> someone from current@ might know more about it. (maybe there read this
> list to)
> Does /usr/src/UPDATING say anything about it?
> Articles based on solutions that I use:
IMO it's not necessary since the changes only affect the kernel which
I already recompiled.
Nevertheless I also did a 'make buildworld' as you suggested: no luck.
/usr/src/UPDATING says nothing about the issue.
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