GSoC Project | Basic Support for Trace Compass

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Jun 11 06:29:29 UTC 2019


Hello Ravindra,

thanks for the update.

On 11/06/2019 08:18, Ravindra Kumar Meena wrote:
> Plan for the week:
> 1. Update the event recording documentation(sent the patches)
> 2. Build a custom converter that can transform TCP streams and files 
> with record items into CTF.
> 
> For 2nd point of the plan, we have to write the decoder(source plugin). 
> This would involve understanding the current rtems trace format 

With "rtems trace format" I guess you mean the format used by the Event 
Recording. Could you please elaborate this a bit more what you mean with 
understanding. The format is very simple. It is just a timestamp, an 
event number and some event specific data.

Getting timestamps in CLOCK_MONOTONIC nanosecond values is a bit tricky, 
however, this is already handled by the client:

https://github.com/rmeena840/rtems-tools/commit/0a279786b73197973dc8a5a5f7818a7669714216

Did you already work on a TSDL description of the format?

and
> codebase. I will also try out the decoder(source plugin) example shared 
> by the babeltrace community.

Ok.

-- 
Sebastian Huber, embedded brains GmbH

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