Date: Fri, 24 Sep 2004 03:20:20 +0200 From: Alex de Kruijff <freebsd@akruijff.dds.nl> To: "Yaraghchi, Stephan" <stephan.yaraghchi@boerse-berlin-bremen.de> Cc: freebsd-questions@freebsd.org Subject: Re: DEVICE_POLLING in 5.3 Message-ID: <20040924012020.GC784@alex.lan> In-Reply-To: <AB554A75C8188E4C82FFB072E76E2C1E099889@BER-DCM-02.corp.berliner-boerse.de> References: <AB554A75C8188E4C82FFB072E76E2C1E099889@BER-DCM-02.corp.berliner-boerse.de>
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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. Hi, 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? -- Alex Articles based on solutions that I use: http://www.kruijff.org/alex/FreeBSD/
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