squeue

• Lists all jobs in the queue.

sinfo

• Shows which nodes and processors are in use.

scontrol

• Shows more detailed job information.

chris@node0:~$ sinfo
PARTITION AVAIL  TIMELIMIT  NODES  STATE NODELIST
all*         up   infinite      4  drain node[5-7,11]
all*         up   infinite      9  alloc node[1-4,8,12-13,15,17]
all*         up   infinite      4   idle node[9-10,14,16]
short        up    2:00:00      4  drain node[5-7,11]
short        up    2:00:00     10  alloc node[1-4,8,12-13,15,17,91]
short        up    2:00:00      5   idle node[9-10,14,16,92]
gpu          up   infinite      1  alloc node91
bigmem       up   infinite      1   idle node92

chris@node0:~$ sinfo -o "%C"
CPUS(A/I/O/T)
78/178/64/320

chris@node0:~$ sinfo -p all -o "%C"
CPUS(A/I/O/T)
77/131/64/272