Re: [dpdk-dev] [RFC PATCH 0/4] testpmd: simulating noisy host environment

[Thomas Monjalon <thomas@monjalon.net>]

31/10/2017 11:13, Bruce Richardson:
> On Mon, Oct 30, 2017 at 02:41:05AM -0400, Victor Kaplansky wrote:
> > 
> > This RFC patch propose enhancements to testpmd to simulate
> > more realistic behavior of a guest machine engaged in receiving
> > and sending packets performing Virtual Network Function (VNF).
> > 
> > The goal is to enable simple of measuring performance impact on cache and
> > memory footprint utilization from various VNF co-located on the
> > same host machine.
> > 
> > This series of patches adds the new command line switches to
> > testpmd:
> > 
> Hi,
> 
> while I think this functionality is of use, I don't think it should go
> into testpmd. Testpmd is designed for testing NIC PMDs, and not as a
> general test tool, and is already complicated enough with lots of
> commandline options. For the task of testing VNF use-cases, I think a
> new separate app or example would be better.

Not sure.
If we need to mix the VNF simulation options with the NIC features
options (implemented in testpmd), then testpmd would be a good fit.

Please Victor, give your arguments to make the discussion progressing.