Other options are:
! watch -n 0.1 'ps f -o user,pgrp,pid,pcpu,pmem,start,time,command -p `lsof -n -w -t /dev/nvidia*`'

sudo apt-get install dstat #install dstat
sudo pip install nvidia-ml-py #install Python NVIDIA Management Library
wget https://raw.githubusercontent.com/datumbox/dstat/master/plugins/dstat_nvidia_gpu.py
sudo mv dstat_nvidia_gpu.py /usr/share/dstat/ #move file to the plugins directory of dstat