You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
2.7 KiB
53 lines
2.7 KiB
#!/bin/sh |
|
################################################################################ |
|
## ## |
|
## Copyright (c) International Business Machines Corp., 2009 ## |
|
## ## |
|
## This program is free software; you can redistribute it and/or modify ## |
|
## it under the terms of the GNU General Public License as published by ## |
|
## the Free Software Foundation; either version 2 of the License, or ## |
|
## (at your option) any later version. ## |
|
## ## |
|
## This program is distributed in the hope that it will be useful, but ## |
|
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## |
|
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## |
|
## for more details. ## |
|
## ## |
|
## You should have received a copy of the GNU General Public License ## |
|
## along with this program; if not, write to the Free Software ## |
|
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## |
|
## ## |
|
################################################################################ |
|
# ## |
|
# File : insert_kernel_faults.sh ## |
|
# ## |
|
# Usage: insert_kernel_faults.sh <fault_percentage> ## |
|
# ## |
|
# Description: This is a simple script that inserts faults at various ## |
|
# subsystems of the kernel. Please refer to the ltp/README ## |
|
# for the various kernel CONFIG options needed to exploit ## |
|
# all those features ## |
|
# ## |
|
# Author: Subrata Modak <subrata@linux.vnet.ibm.com> ## |
|
# ## |
|
# History: Aug 11 2009 - Created - Subrata Modak. ## |
|
# Aug 17 2009 - Changed the debugfs mount point - Subrata Modak.## |
|
################################################################################ |
|
|
|
if [ -z "$1" ] |
|
then |
|
#Check if Useage has been proper |
|
echo "Usage: $0 <fault_percentage>" |
|
exit 1 |
|
fi |
|
|
|
#These are the types of Subsystems where fault will be injected |
|
#Make sure debugfs has been mounted |
|
for FAILTYPE in fail_io_timeout fail_make_request fail_page_alloc failslab |
|
do |
|
echo $1 > /sys/kernel/debug/$FAILTYPE/probability |
|
echo 100 > /sys/kernel/debug/$FAILTYPE/interval |
|
echo -1 > /sys/kernel/debug/$FAILTYPE/times |
|
echo 0 > /sys/kernel/debug/$FAILTYPE/space |
|
done |
|
|
|
|