Despite the name, this also works with AMD GPUs and is generally the best tool for tracking what your GPUs are up to on your system
btop now has GPU monitoring, which is convenient if you have 1 or 2 GPUs.
If you’re distro doesn’t have support w/ 1.3.0 you will need to compile it yourself. Luckily, it’s pretty easy:
git clone https://github.com/aristocratos/btop
sudo make install