Can I disable HTT in 4.8-STABLE?

[David Landgren]

Kent Ketell wrote:

> Is there a way to disable the hyperthreading in 4.8-STABLE or
> 4.9-PRERELEASE?  I'd like to be able to test with and without HTT
> enabled to see whether it's actually helping or not.

You have to compile a kernel with and without the options SMP, APIC_IO 
and HTT. You can test if you're running with HTT by examining the 
output of 'sysctl hw.ncpu'.

David