loads/hackbench: Don't run on nodes with no CPUs available

When cpulist is specified it might happen that some of the available
nodes don't have cpus on which hackbench can run.

Filter them out.

Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: John Kacur <jkacur@redhat.com>
1 file changed