[LTP] [PATCH 03/05] Add Script so the kernel is restored back to its original pristine form

Subrata Modak
2009-08-11T17:30:58Z

Once the faults has been injected and all the concerned tests have been run
completely, the kernel needs to be restored back to its original pristine
form so that it is stable again. This Script does just exactly that.

Signed-off-by: Subrata Modak <subrata@linux.vnet.ibm.com>
---

diff -uprN ltp-full-20090731.orig/tools/restore_kernel_faults_default.sh ltp-full-20090731/tools/restore_kernel_faults_default.sh
--- ltp-full-20090731.orig/tools/restore_kernel_faults_default.sh 1970-01-01 05:30:00.000000000 +0530
+++ ltp-full-20090731/tools/restore_kernel_faults_default.sh 2009-08-11 18:45:38.000000000 +0530
@@ -0,0 +1,85 @@
+#!/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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ##
+## ##
+################################################################################
+# ##
+# File : restore_kernel_faults_default.sh ##
+# ##
+# Usage: restore_kernel_faults_default.sh ##
+# ##
+# Description: This is a simple script that will restore the /debugfs/fail* ##
+# entries to their default values ##
+# ##
+# Author: Subrata Modak <subrata@linux.vnet.ibm.com> ##
+# ##
+# History: Aug 11 2009 - Created - Subrata Modak. ##
+################################################################################
+
+echo 0 > /debug/fail_io_timeout/reject-end
+echo 0 > /debug/fail_io_timeout/reject-start
+echo 4294967295 > /debug/fail_io_timeout/require-end
+echo 0 > /debug/fail_io_timeout/require-start
+echo 32 > /debug/fail_io_timeout/stacktrace-depth
+echo N > /debug/fail_io_timeout/task-filter
+echo 2 > /debug/fail_io_timeout/verbose
+echo 0 > /debug/fail_io_timeout/space
+echo 1 > /debug/fail_io_timeout/times
+echo 1 > /debug/fail_io_timeout/interval
+echo 0 > /debug/fail_io_timeout/probability
+
+echo 0 > /debug/fail_make_request/reject-end
+echo 0 > /debug/fail_make_request/reject-start
+echo 4294967295 > /debug/fail_make_request/require-end
+echo 0 > /debug/fail_make_request/require-start
+echo 32 > /debug/fail_make_request/stacktrace-depth
+echo N > /debug/fail_make_request/task-filter
+echo 2 > /debug/fail_make_request/verbose
+echo 0 > /debug/fail_make_request/space
+echo 1 > /debug/fail_make_request/times
+echo 1 > /debug/fail_make_request/interval
+echo 0 > /debug/fail_make_request/probability
+
+echo 1 > /debug/fail_page_alloc/min-order
+echo Y > /debug/fail_page_alloc/ignore-gfp-highmem
+echo Y > /debug/fail_page_alloc/ignore-gfp-wait
+echo 0 > /debug/fail_page_alloc/reject-end
+echo 0 > /debug/fail_page_alloc/reject-start
+echo 4294967295 > /debug/fail_page_alloc/require-end
+echo 0 > /debug/fail_page_alloc/require-start
+echo 32 > /debug/fail_page_alloc/stacktrace-depth
+echo N > /debug/fail_page_alloc/task-filter
+echo 2 > /debug/fail_page_alloc/verbose
+echo 0 > /debug/fail_page_alloc/space
+echo 1 > /debug/fail_page_alloc/times
+echo 1 > /debug/fail_page_alloc/interval
+echo 0 > /debug/fail_page_alloc/probability
+
+echo Y > /debug/failslab/ignore-gfp-wait
+echo 0 > /debug/failslab/reject-end
+echo 0 > /debug/failslab/reject-start
+echo 4294967295 > /debug/failslab/require-end
+echo 0 > /debug/failslab/require-start
+echo 32 > /debug/failslab/stacktrace-depth
+echo N > /debug/failslab/task-filter
+echo 2 > /debug/failslab/verbose
+echo 0 > /debug/failslab/space
+echo 1 > /debug/failslab/times
+echo 1 > /debug/failslab/interval
+echo 0 > /debug/failslab/probability
+

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