GSoC Project | Basic Support for Trace Compass

Sebastian Huber sebastian.huber at embedded-brains.de
Tue May 28 05:06:01 UTC 2019


On 27/05/2019 20:24, Ravindra Kumar Meena wrote:
>
> On Mon, May 27, 2019 at 7:51 PM Sebastian Huber 
> <sebastian.huber at embedded-brains.de 
> <mailto:sebastian.huber at embedded-brains.de>> wrote:
>
>     On 26/05/2019 13:49, Ravindra Kumar Meena wrote:
>     > Hi Sebastian, Gedare
>     >
>     > On Fri, May 24, 2019 at 8:11 PM Gedare Bloom
>     <gedare at gwmail.gwu.edu <mailto:gedare at gwmail.gwu.edu>
>     > <mailto:gedare at gwmail.gwu.edu <mailto:gedare at gwmail.gwu.edu>>>
>     wrote:
>     >
>     >
>     >
>     >     On Fri, May 24, 2019, 8:32 AM Ravindra Kumar Meena
>     >     <rmeena840 at gmail.com <mailto:rmeena840 at gmail.com>
>     <mailto:rmeena840 at gmail.com <mailto:rmeena840 at gmail.com>>> wrote:
>     >
>     >
>     >
>     >             >Please clone the repository and look at it a bit
>     more closely.
>     >
>     >
>     >         >Which repository? I have already cloned the rtems-libbsd.
>     >
>     >     >Get to understand how to use babeltrace. Try some small
>     examples.
>     >
>     >  I tried tracing example given here
>     >
>     https://lttng.org/docs/v2.10/#doc-tracing-your-own-user-application.
>     > This example generates the CTF data. I have attached all the
>     files in
>     > case if you want to try them out. After that, I used babeltrace to
>     > read the CTF data and print it in text format. I have also attached
>     > the output("babeltrace CTF.png") of the command line.
>     >
>     > I used "babeltrace ~/lttng-traces/my-user-space-session*"
>     command line
>     > to read the CTF data.
>
>     >This is good, since you can use the same method to check the CTF
>     data
>     you generate from an RTEMS record item stream.
>
>
> Yes. I was trying the lttng-live command just in the hope that I could 
> get the trace data stream. Then I used the babeltrace command to 
> connect to the target. It got connected to the target but no data 
> stream were received in output.

What do you mean with "target"?

-- 
Sebastian Huber, embedded brains GmbH

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