Good morning Reza,
As highlighted in yesterday's email the best way to get involved in the CoreSight project is to subscribe to the mailing list [1] and attend the meeting we hold every two weeks in the #linaro-coresight channel on freenode. The next meeting is scheduled for October 18th @ 4PM (UTC).
As for STM, Chunyan wrote documentation that is available in the kernel tree [2].
It would be interesting if you guys could come up with a list of items that you want to see addressed. From there we could post them to the perf-opencsd wiki (to be officially published imminently) and have some sort of a tick list for items that are currently being worked on and those up for grab.
Best regards, Mathieu
[1]. https://lists.linaro.org/mailman/listinfo/coresight [2]. http://elixir.free-electrons.com/linux/latest/source/Documentation/trace/stm...