#!/bin/bash -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

# distribute interrupt for eth0 on core 1-5
core=(2 4 8 10 20)
l=0
for i in $(awk '/eth0/ {sub(/:/, ""); print $1}' /proc/interrupts); do
  echo ${core[$l]} > /proc/irq/$i/smp_affinity
  let l++
  [ $l -eq 6 ] && l=1
done

exit 0