No, not really.
Due to how the signal strength compresses near -1.5 dBFS and that you normally have peaks up there with rtl-sdr … i don’t think it’s useful.
Thoughts on optimizing gain
I don’t think it’s a really useful thing to look at …
Then it should be easy for someone to find it in that shell script and copy it over.
But again, not putting it into my version.