[dpdk-dev] L3fwd mode in testpmd

[Thomas Monjalon]

11/03/2021 16:18, Honnappa Nagarahalli:
> <snip>
> 
> > 
> > On Thu, Mar 11, 2021 at 12:01 AM Honnappa Nagarahalli
> > <Honnappa.Nagarahalli at arm.com> wrote:
> > >
> > > Hello,
> > >         Performance of L3fwd example application is one of the key
> > benchmarks in DPDK. However, the application does not have many
> > debugging statistics to understand the performance issues. We have added
> > L3fwd as another mode/stream to testpmd which provides enough statistics
> > at various levels. This has allowed us to debug the performance issues
> > effectively.
> > >
> > > There is more work to be done to get it to upstreamable state. I am
> > wondering if such a patch is helpful for others and if the community would
> > be interested in taking a look. Please let me know what you think.
> > 
> > We are using app/proc-info/ to attach and analyze the performance.
> > That helps to analyze the unmodified application. I think, if something is
> > missing in proc-info app, in my opinion it is better to enhance proc-info so
> > that it can help other third-party applications.
> > 
> > Just my 2c.
> Thanks Jerin. We will explore that.

I agree it is dangerous to rely too much on testpmd for everything.
Please tell us what in testpmd could be useful out of it.