Date: Sat, 25 Sep 2004 16:01:32 +0200 From: Alex de Kruijff <freebsd@akruijff.dds.nl> To: "Yaraghchi, Stephan" <stephan.yaraghchi@boerse-berlin-bremen.de> Cc: freebsd-current@freebsd.org Subject: Re: DEVICE_POLLING in 5.3 Message-ID: <20040925140132.GB796@alex.lan> In-Reply-To: <20040924220110.GD784@alex.lan> References: <AB554A75C8188E4C82FFB072E76E2C1E415B53@BER-DCM-02.corp.berliner-boerse.de> <20040924220110.GD784@alex.lan>
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On Sat, Sep 25, 2004 at 12:01:10AM +0200, Alex de Kruijff wrote: > On Fri, Sep 24, 2004 at 04:23:52PM +0200, Yaraghchi, Stephan wrote: > > > On Thu, Sep 23, 2004 at 03:27:22PM +0200, Yaraghchi, Stephan wrote: > > > > 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? > > > > 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. > > All I can think of is mergemaster or that it is a bug. I changed the > list to current@, in the hope that others with BETA5 read this. This should have read > is to use mergemaster or ... -- Alex Articles based on solutions that I use: http://www.kruijff.org/alex/FreeBSD/
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