Upgrade results in increased CPU usage?

Hey Everyone,

I’ve recently installed the newly released system updates. However since then, my CPU usage has steadily increased.

The graph to the left of May is essentially the same as it is the first week of May. The giant extended spike in usage on the 7th is (I assume) the newer system doing some post-installation migration/setup thing. I usually install system updates within 24 hours of release. It seems the most recent release has caused something to go wrong-ish.

Has anyone else experienced something similar to this? How would I go about diagnosing the cause so that I can either correct it or report an issue?

Thank you for your help!!