kprobe/inperfa_kprobe.sh

   1 #!/bin/sh
   2
   3 SWAP_KPROBE=inperfa_kprobe
   4 KSYMS=kallsyms_lookup_name
   5
   6 # ADDRESS for "kallsyms_lookup_name" function taken from /proc/kallsyms
   7 ADDRESS=0x`sed "/ kallsyms_lookup_name/ ! d" /proc/kallsyms | sed "s/ T kallsyms_lookup_name//"`
   8
   9 if [ "${ADDRESS}" = "0x" ]; then
  10     if [ "$1" = "" ]; then
  11         echo "Enter kallsyms_lookup_name as parameter:"
  12         echo "inperfa_kprobe.sh <kallsyms_lookup_name address>"
  13         exit 1
  14     else
  15         ADDRESS=$1
  16         echo "kallsyms_lookup_name address is ${ADDRESS}"
  17     fi
  18 fi
  19
  20 # Check for running module in /proc/modules
  21 RUNNING=`sed "/${SWAP_KPROBE}/ ! d" /proc/modules`
  22
  23 if [ "${RUNNING}" = "" ]; then
  24     insmod ${SWAP_KPROBE}.ko ksyms=${ADDRESS}
  25     if [ $? -ne 0 ]; then
  26          echo "Error: unable to load Inperfa KProbe!"
  27     fi
  28 else
  29         echo "Inperfa Kprobe is already running!"
  30         exit 1
  31 fi