[dpdk-dev] [PATCH v5] build: optional NUMA and cpu counts detection

[David Christensen]

>> Piotr says lscpu isn't available on ppc FreeBSD. I think this leaves us with two options:
>> 1. either use sysctl with the risk that it may not return an accurate value
>> 2. not support PPC for numa detection
>>
>> What do you think?
> 
> I think point #2 is more not supporting FreeBSD on PPC for numa detection
> rather than not supporting PPC generally, right? Personally, I am just in
> favour of #1 for the sake of moving forward and giving us best support with
> simplest code. If or when someone does hit this (FreeBSD+PPC) as a problem,
> then we can work with them to find best solution for fixing it. Right now
> we don't have anyone with the PPC+FreeBSD setup, so I'd rather ignore it
> than implement more complicated solutions that we can't test "just in
> case".

Fully agree here.  Can't expect a user app to completely resolve all 
limitations in the underlying OS.

Dave