scripts/linux-mod-load-test

   1 #!/bin/sh
   2 #
   3 # module-load-test: Try to load all the available modules in the
   4 # system. This will surely crash the kernel.
   5 #
   6 # Luiz Fernando N. Capitulino
   7 # <lcapitulino@gmail.com>
   8
   9 DMESG_BEFORE_LOAD=dmesg-before-load.txt
  10 DMESG_AFTER_LOAD=dmesg-after-module-load.txt
  11 DMESG_AFTER=dmesg-after-unload.txt
  12 LOAD_ERRORS=load-errors.txt
  13 MODULE_LIST=modules.txt
  14 MODULES_DIR=/lib/modules/$(uname -r)/kernel
  15 MODULES=""
  16
  17 load_modules()
  18 {
  19         modules=$1
  20         count=0
  21
  22         echo "-> loading modules"
  23
  24         for mod in $modules; do
  25                 echo "  $mod"
  26                 modprobe $mod 2> $LOAD_ERRORS
  27                 ((count++))
  28         done
  29
  30         echo "-> loaded $count modules"
  31 }
  32
  33 get_dmesg()
  34 {
  35         file=$1
  36
  37         dmesg -c > $file
  38         sync
  39 }
  40
  41 # Get all the modules
  42 for file in $(find $MODULES_DIR -iname '*.ko.gz'); do
  43         module=$(basename $file | sed 's/\.ko\.gz//')
  44         echo $module >> $MODULE_LIST
  45         MODULES="$MODULES $module"
  46 done
  47
  48 # Load them all
  49 get_dmesg $DMESG_BEFORE_LOAD
  50 load_modules "$MODULES"
  51 get_dmesg $DMESG_AFTER_LOAD
  52
  53 # FIXME: Write unload part