[Peter Johnson]

Originally Posted by Hsifeulbhsifder

I want to know exactly what is running on the roboRIO. I know it is Linux with real time extensions, however, I would like to know exactly what what distro of linux, and what extensions. Also, is there a way to get the source code to this, as it would benefit a small side project my team is doing, where we are trying to use a Rasberry Pi 2 B as the CPU for our robot. Thanks.

It runs a custom distro called "NI Linux Real-Time", which uses the PREEMPT_RT (aka -rt) real time patch set. Relevant links:
http://www.ni.com/white-paper/14627/en/
https://decibel.ni.com/content/group...inux-real-time
https://github.com/ni

In particular, I would read their FAQ: https://decibel.ni.com/content/docs/DOC-35053