Date: Fri, 24 Sep 2004 16:23:52 +0200 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 Message-ID: <AB554A75C8188E4C82FFB072E76E2C1E415B53@BER-DCM-02.corp.berliner-boerse.de>
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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.
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