@yankcrime posted it above: https://www.brendangregg.com/blog/2024-03-24/linux-crisis-to...

PSI (pressure stall information) are missing.

I always use a configured!(F2) htop (not mentioned as well). Always enable PSI information in htop (some red hat systems I work with still don't offer them...).

If you have zfs enable those meters as well and htop has an io tab, use it!