[Paraview] Debugging a pvserver with multiple GPUs

[pat marion]

I just wanted to share a bit of useful code.  I wanted to confirm that all
my pvserver processes had the correct DISPLAY environment variable defined.
I created an mpi command line that launched two processes per node, with
half the processes using -display :0.0 and the other half using -display
:0.1.  After connecting to the server, I ran this python code inside a
Programmable Source:


import os
import subprocess

display = os.getenv('DISPLAY')
hostname = subprocess.Popen(['hostname'],
stdout=subprocess.PIPE).communicate()[0].strip()
print hostname, display




The output is printed to the pvserver terminal:

Process id: 3 >> vs8 :0.0
Process id: 4 >> vs14 :0.1
Process id: 7 >> vs8 :0.1
Process id: 0 >> vs14 :0.0
Process id: 5 >> vs30 :0.1
Process id: 1 >> vs30 :0.0
Process id: 2 >> vs2 :0.0
Process id: 6 >> vs2 :0.1


Pat
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