Hey Chris,
I have checked with our developers and, unfortunately, we do not have a list of necessary modules needed for the RTE. Because Linux is open source, we develop for specific builds which we then document and fully support. In this case, the required information extends beyond one of those supported builds and we do not have that available.
I would be glad to take any further questions you may have...but on this specific issue I may not be of much help.
Are you trying to "trim down" the OS and eliminate all that is not needed? I am just wondering what would be wrong with leaving a supported build intact and adding on from there. Aside from this...a guess and check method may be the only alternative. (though I know that would not be very time effective)
-Brett
National Instruments
Applications Engineer
LabVIEW Support Team