cores.py

import sys

"""
Example usage (on slurm cluster):
    scontrol show nodes | python cores.py | sort -n
    
Outputs list of free cores per node, along with the load.
"""

for line in sys.stdin:
    if "CPUTot" in line:
        parsed = line.split()
        try:
            load = float(parsed[2].split("=")[1])
            if load > 1:
                print(int(parsed[1].split("=")[1]) - int(parsed[0].split("=")[1]), "avail with load", load)
        except:
            pass