This forum is predominantly for API how to type questions and the moderators here are occasional RTDS/ADS users and not RTDS/ADS experts themselves - so your best option would be to create a ticket on My.Refinitiv for the ADS product.
However, based on my limited experience with the rtcmon tool (similar to the adsmon tool), I can see Image and update rates if I select:
There may well be additional means of getting the above and more refined data, and possibly even ways of dumping these stats to a file. If you raise a ticket, the ADS team should be able to advise you further.
I understand that more recent versions of RTDS components now support a REST interface for interrogating stats.