If a picture is worth a thousand words, what's a video worth? Certainly more than typing a post.
Please check out my "Coding talks" on InterSystems Developers YouTube:
1. Analysing InterSystems IRIS System Performance with Yape. Part 1: Installing Yape
Running Yape in a container.
2. Yape Container SQLite iostat InterSystems
Extracting and plotting pButtons data including timeframes and iostat.