Bash script to read network interrupts in Ubuntu linux

read_interrupts.sh

#!/bin/bash
 
[[ $# -lt 1 ]] && echo Usage: $0 INTERFACE && exit 1
 
IFACE=$1
 
cat /proc/interrupts | grep "$IFACE-" | cut -d':' -f1 > tmp.interfaces
echo Reading affinity of $IFACE
 
for IRQ in $(cat tmp.interfaces)
do
    LIST=$(sudo cat /proc/irq/$IRQ/smp_affinity_list)
    echo Interrupt $IRQ assigned to $LIST
done