IRQ CPU affinity setter: network and RAID hardware

set_irq_affinity.sh

#!/bin/bash

ncpus=`grep -ciw ^processor /proc/cpuinfo`
test "$ncpus" -gt 1 || exit 1

n=0
for irq in `cat /proc/interrupts | grep 'IR-PCI-MSI-edge' | awk '{print $1}' | sed s/\://g`
do
    f="/proc/irq/$irq/smp_affinity"
    test -r "$f" || continue
    cpu=$[$ncpus - ($n % $ncpus) - 1]
    if [ $cpu -ge 0 ]
            then
                mask=$(echo `printf %x $[2 ** $cpu]` | sed -r 's#(.)(.{8})$#\1,\2#g')

                echo "Assign SMP affinity: eth queue $n, irq $irq, cpu $cpu, mask $mask"
                echo "echo $mask > $f"
                echo "$mask" > "$f"
                let n+=1
    fi
done

what about PCI-MSI-edge ?