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Date: Fri, 24 Sep 2004 16:23:52 +0200
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Thread-Topic: DEVICE_POLLING in 5.3
Thread-Index: AcSh1KtofcZnbBBgRAewMtx+U5yscwAbQoPA
From: "Yaraghchi, Stephan" <stephan.yaraghchi@boerse-berlin-bremen.de>
To: "Alex de Kruijff" <freebsd@akruijff.dds.nl>
cc: freebsd-questions@freebsd.org
Subject: RE: DEVICE_POLLING in 5.3
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> -----Original Message-----
> From: Alex de Kruijff [mailto:freebsd@akruijff.dds.nl]
> Sent: Friday, September 24, 2004 3:20 AM
> To: Yaraghchi, Stephan
> Cc: freebsd-questions@freebsd.org
> Subject: Re: DEVICE_POLLING in 5.3
>=20
>=20
> On Thu, Sep 23, 2004 at 03:27:22PM +0200, Yaraghchi, Stephan wrote:
> > Hi fellows,
> >=20
> > I'm trying to tune network performance of a 5.3-BETA5 box
> > by compiling the DEVICE_POLLING and HZ=3D1000 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.
> >=20
> > To finally enable the feature one have to set the sysctl
> > kern.polling.enable to value '1'.
> >=20
> > The only problem is that 5.3-BETA5 doesn't know about it:
> >=20
> > sysctl: unknown oid 'kern.polling.enable'
> >=20
> > Any advice is highly appreciated.
>=20
> Hi,
>=20
> 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)
>=20
> Does /usr/src/UPDATING say anything about it?
>=20
> --=20
> Alex
>=20
> Articles based on solutions that I use:
> http://www.kruijff.org/alex/FreeBSD/
>=20


Hi Alex,

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.


Stephan.