How to setup NUMA settings for IO Accelerators?

Hi experts,

  We install IO Accelerators on DL980 in PCIe slots 4,5,6,8,10 and we setup FIO_AFFINITY like this:

fio-config -p FIO_AFFINITY 0,n0;2,n1;4,n2;1,n2;3,n3

However, CPU utilization is unbalance, please help.