detecting hyperthreading

[Rui Paulo]

On 11 Mar 2015, at 09:44, Pokala, Ravi <rpokala at panasas.com> wrote:
> Yeah. There's tons of info that could be scraped out of dmesg.boot, but
> actually doing that - let alone from C - is a pain. :-P

At my $DAYJOB, I wrote some code to detect the number of CPU sockets via topology_spec using expat (bsdxml library).  It was probably less than 50 lines of code.  Detecting HTT/SMT shouldn't be hard.

--
Rui Paulo