[dpdk-dev] [PATCHv2 4/4] pmdinfo.py: Add tool to query binaries for hw and other support information

Neil Horman nhorman at tuxdriver.com
Fri May 20 16:22:51 CEST 2016


On Fri, May 20, 2016 at 10:55:26AM +0200, Thomas Monjalon wrote:
> 2016-05-20 08:22, Panu Matilainen:
> > Ability to query individual DSOs is a building block for other things 
> > like automation (you dont expect normal users to go manually loading hw 
> > support modules for the OS either), but its not an end-user solution.
> > 
> > Thomas said in http://dpdk.org/ml/archives/dev/2016-May/038324.html:
> > 
> > "This tool should not behave differently depending of how DPDK was 
> > compiled (static or shared)."
> 
> I meant the basic tool must be usable on static binary and shared library.
> 
> > Its entirely possible to handle all the three above cases virtually 
> > identically (point the tool to the app executable), so I have a hard 
> > time understanding the level of resistance to handling the plugin case.
> 
> We need first a basic tool. Then we'll check how to build on it for
> end user needs. I think you have some good ideas.
> We could also try (later) to inspect a running DPDK app.
> 

I've thought about that, and its actually pretty easily doable. If we move the
driver registration list to a shared memory segment, we could just attach to it
and read it.


Neil



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