GSoC Project | Basic Support for Trace Compass

Ravindra Kumar Meena rmeena840 at
Fri Jul 26 12:56:15 UTC 2019

> Ok, very good. This look all right. It is amazing how much information
> Trace Compass can display with only sched_switch events.
Great!! We have something working very useful. :) :)

> Please figure out how the state member values are defined. I think this
> is important to improve the diagrams.
Here is the response from lltng:

What I understand from here is that _prev_state is the previous state of
the thread(TID)).

> It would be good to get task names for the IDs. Do you have an idea how
> we can do this?
With task name do you mean RTEMS_RECORD_THREAD_SWITCH_IN

if so this can be done by calling:
rtems_record_event_text( item->event )

*Ravindra Kumar Meena*,
B. Tech. Computer Science and Engineering,
Indian Institute of Technology (Indian School of Mines)
<>, Dhanbad
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