DEVICE_POLLING in 5.3
Alex de Kruijff
freebsd at akruijff.dds.nl
Thu Sep 23 18:20:26 PDT 2004
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
Does /usr/src/UPDATING say anything about it?
Articles based on solutions that I use:
More information about the freebsd-questions