Re: [Announce]: Test results with latest CCID3 patch set

[Alessio Botta <a.botta@xxxxxxxx>]

Arnaldo Carvalho de Melo ha scritto:
> Em Tue, Dec 11, 2007 at 02:21:28PM +0000, Gerrit Renker escreveu:
> > | I am new of this mailing list and I am really interested in the
> > | measurements you are performing with DCCP.
> > This was more of a regression test, as there had been recent changes in
> > the test tree, to see that the kernel (not userspace) still performs in
> > a predictable way.
> >
> > | Which tool are you using ? Are you using Iperf for such measurements ?
> > The setup is the one from
> > 	http://www.linux-foundation.org/en/Net:DCCP_Testing#Regression_testing
> > and, yes, it uses iperf.	
> >
> > | Have you ever heard about D-ITG ?
> >
> > | You can find more information here:
> > | http://www.grid.unina.it/software/ITG
> > | 
> > | I am one of the authors of such platform and I have also
> > | performed some very preliminary tests with DCCP.
> > | 
> > | I would be very glad to have your opinion on that and I'm very interested
> > | in improving its features, also with specific regard to the support of
> > | transport protocols.
> > | 
> > It is a very nice tool with many features. I only ran simple tests with it (version 2.6),
> > again only as basic sanity tests -- the throughput result was similar to the one tested with
> > iperf.
> >
> > I think that the tool has more to offer and can help improve/extend DCCP testing.
> > Here is my list of points, hoping that the others will add theirs, too:
> >
> >  * would be good to have a standardised set of scripts, for comparison/benchmarking
> >
> >  * the built-in VoIP module only works for UDP -- is it possible to port this to DCCP?
> >  
> >  * as per previous email, more complex traffic scenarios would be good, in particular
> >    - switching on/off background traffic at times to observe TCP/flow-friendliness
> >    - running multiple DCCP flows in parallel and at overlapping times 
>
> Does this tool records results in a database keyed by kernel
> version/buildid for us to use it as a regression tool?

No, it does not record the results in a database. This feature has to be 
added by using
some perl-like scripts.

> Something that would produce results around these lines:
>
> "WARNING: test #23 counter #3 variance bigger than specified since the
> last kernel tested (git cset 55ed793afb4a8025d33a8e6a5f2f89d5ac4d8432)!"

Yes, we can work on building some scripts for this.

> - Arnaldo


Alessio
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