Hi,
>How to identify running proc parameters using DMVs only?
It seems that this cannot be achieved using DMVs. Only the compiled parameter values can be obtained from the DMVs, not the runtime values.
Using profiler or extended events are options.
I can see a good post on this topic.
https://dba.stackexchange.com/questions/142488/in-sql-server-is-there-a-way-to-determine-the-values-of-the-parameters-passed-t