As in, listing that such and such place is owned by baron x, who owes allegiance to earl y, who owes allegiance to duke z, who owes allegiance to the king.
And doing it for an entire kingdom, providing a snapshot of its organisation at a given moment in time?
You might to look at this thread https://www.reddit.com/r/AskHistorians/comments/2bs0rc/ama_feudalism_didnt_exist_the_social_political/
In general you should be very careful with using the term feudalism as a general description, as the middle ages spanned hundreds of years and countless countries. The traditional set up of power might vary drastically just if you switch perspective from one region to another.