Can I view Nvidia GPU usage?

I know that I can view CPU usage using System Monitor:

8-core CPU usage in Ubuntu

Is there such a tool for viewing GPU usage, as well?


Yes, but it is in the proprietary drivers, it is called nvidia-smi. See [1]

[1] http://manpages.ubuntu.com/manpages/precise/man1/alt-nvidia-current-smi.1.html