Letting DPDK deduce de cpus and memchannels is just a move of feautures in your application. In some cases you might want to limit the number of cores. It's just simple a way to allow more control when initializing DPDK.
Kind Regards
Balazs Nemeth
Hasselt University, Belgium
2nd Master in Computer Science
On Thu, 01 Aug 2013 20:17:43 +0200
Marc Sune <marc.sune@bisdn.de> wrote:
> Thanks Stephen for the hack.
>
> Unfortunately, our main already has parameters, and are all
> platform(architecture) agnostic, so this would break the assumption that
> arguments should be platform agnostic.
>
> But anyway thanks ;)
> marc
>
Also, our application is started by an init script and there is some shell
magic to attempt to deduce number of cpus (not hard) and number of memory
channels (kind of messy). I do think the DPDK should work without any arguments
and do this itself. The CPU part is easy by looking at /sys, but the memory
channel information has to come from DMI which is a real ugly mess.