set irq for eth0 on core 1, 2, 3, 4 and 5 to reduce load on core 0
[debian6500.git] / master / opt / cluster / acq / etc / rc.local
1 #!/bin/bash -e
2 #
3 # rc.local
4 #
5 # This script is executed at the end of each multiuser runlevel.
6 # Make sure that the script will "exit 0" on success or any other
7 # value on error.
8 #
9 # In order to enable or disable this script just change the execution
10 # bits.
11 #
12 # By default this script does nothing.
13
14 # distribute interrupt for eth0 on core 1-5
15 core=(2 4 8 16 32)
16 l=0
17 for i in $(awk '/eth0/ {sub(/:/, ""); print $1}' /proc/interrupts); do
18 echo ${core[$l]} > /proc/irq/$i/smp_affinity
19 let l++
20 [ $l -eq 5 ] && l=0
21 done
22
23 exit 0