Regards
_Sugesh

From: Daniele Di Proietto [mailto:diproiet...@ovn.org]
Sent: Wednesday, May 25, 2016 9:38 PM
To: Chandran, Sugesh <sugesh.chand...@intel.com>
Cc: discuss <discuss@openvswitch.org>
Subject: Re: [ovs-discuss] OVS-DPDK usability debug-tool script

Hi Sugesh,
Thanks for working on this, I think this is going to be very useful.

You may want to take a look at ovs-bugtool (in utilities/bugtool), it performs 
many of the tasks you're mentioning. It should be easily extendable with 
plugins, I can imagine a few DPDK (or OVS-DPDK) specific.
What do you think?
[Sugesh] Hi Daniele,
I was not aware about the bugtool before, so thank you for the information.
I tried out the bug tool locally and as you mentioned,  we could definitely add 
OVS-DPDK relevant plug-ins to it than writing a new script.
A couple of questions about the tool,

1)      It doesn’t support OVS custom installation/ovs-run from the source 
tree. I feel it would be great having this support as well, so that developers 
can also make use of the tool. What do you think??

2)      Currently the tool has to be invoked manually by user. What about 
trigger it when the ovs-vswitchd /pmd thread crashes. It would be nice if we 
can add the core dump as well along with the current set of information. Any 
suggestions/comments?


Daniele


2016-05-24 14:05 GMT-07:00 Chandran, Sugesh 
<sugesh.chand...@intel.com<mailto:sugesh.chand...@intel.com>>:
Hi,
I am planning to write a usability debug-tool script for OVS-DPDK. The script 
can collect and report all the relevant system information that can be used to 
debug most of the possible OVS-DPDK issues remotely. A basic implementation of 
the script and a sample dump-log file produced by the script are attached with 
this mail for a reference. Its also possible to extend the scope of the script 
to use in the event of OVS crash for collecting core dump along with all the 
relevant system information. The produced log-file information is really 
helpful to debug any misconfiguration/hardware/performance issues easily 
without so many mail interactions.
Please let me know comments/suggestions/inputs on this proposal.


Regards
_Sugesh


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