master/opt/cluster/lite/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 # distribute interrupt for eth0 on core 0
  13 core=(800)
  14 eth=0
  15 l=0
  16 for i in $(awk '/eth'$eth'/ {sub(/:/, ""); print $1}' /proc/interrupts); do
  17   echo "echo ${core[$l]} > /proc/irq/$i/smp_affinity"
  18   l=$(expr $l + 1)
  19   [ $l -eq ${#core[*]} ] && l=0
  20 done
  21
  22 # distribute interrupt for eth1 on core 11
  23 core=(1)
  24 eth=1
  25 l=0
  26 for i in $(awk '/eth'$eth'/ {sub(/:/, ""); print $1}' /proc/interrupts); do
  27   echo "echo ${core[$l]} > /proc/irq/$i/smp_affinity"
  28   l=$(expr $l + 1)
  29   [ $l -eq ${#core[*]} ] && l=0
  30 done
  31
  32 # remove acpi cpu frequence controler
  33 modprobe -r acpi_cpufreq
  34
  35 # fill screen of dummy lines to keep last messages in history
  36 for i in $(seq 1 25); do
  37   echo TRC6500
  38 done
  39
  40 exit 0