idlestat.run

   1 #!/bin/sh
   2
   3 set -e
   4
   5 dev="/dev/itc"
   6
   7 function suX() { # remove X to enjoy sudo
   8     shift
   9     sudo $*
  10 }
  11
  12 ! test `uname -s` = "Linux" && {
  13     echo `uname -s` is not Linux
  14     exit 1
  15 }
  16
  17 case `uname -r | cut -d. -f1,2` in
  18     2.6) kms=ko; syms=/proc/kallsyms;;
  19     2.4) kms=o; syms=/proc/ksyms;;
  20     *) echo "unknown kernel version"; exit 1;;
  21 esac
  22
  23
  24 test -e "build/itc.$kms" && kmod=build/itc.$kms
  25 test -z "$kmod" && test -e "mod/itc.$kms" && kmod=mod/itc.$kms
  26
  27 test -z "$kmod" && {
  28     echo "Kernel module does not exist"
  29     exit 1
  30 }
  31
  32 idlestat=./idlestat
  33 test -e "$idlestat" || idlestat="build/idlestat"
  34 test -e "$idlestat" || {
  35     echo "idlestat is not found in usual places"
  36     exit 1
  37 }
  38
  39 case `uname -m` in
  40     i[3456]86)
  41     func=$(awk '/default_idle$/ {print "0x" $1}' $syms)
  42     args="idle_func=$func"
  43     ;;
  44
  45     *)
  46     args=
  47     ;;
  48 esac
  49
  50 if ! test -c $dev; then
  51     echo "ITC kernel module is not running. Will try to load $kmod."
  52     su -c "insmod $kmod $args"
  53 fi
  54
  55 if ! test -r $dev; then
  56     echo "ITC is not readable. Will try to change mode."
  57     su -c "chmod +r $dev"
  58 fi
  59
  60 $idlestat