Is it possible to view the VF counters for IB? Looks like it is not possible to get this information currently.
In the following example mlx4_0 is the PF and mlx4_1 and mlx4_2 are two probed VFs.
# cat /sys/class/infiniband/mlx4_0/ports/1/counters/port_xmit_data
16199496
# cat /sys/class/infiniband/mlx4_1/ports/1/counters/port_xmit_data
cat: /sys/class/infiniband/mlx4_1/ports/1/counters/port_xmit_data: Invalid argument
# cat /sys/class/infiniband/mlx4_2/ports/1/counters/port_xmit_data
cat: /sys/class/infiniband/mlx4_2/ports/1/counters/port_xmit_data: Invalid argument