nvidia-cuda-mps-control -V (return code: 1)
Cannot find MPS control daemon process
nvidia-cuda-mps-control --help (return code: 0)
CUDA MPS Control for Linux/Unix.
Copyright (C) 2003 - 2013 NVIDIA Corporation.
This program allows multiple CUDA processes to share a single GPU context. For information on how to use the CUDA MPS, see the nvidia-cuda-mps-control manual page.