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1 | #!/bin/bash |
2 | # |
3 | # Copyright (c) 2011 Bryan Schumaker <bjschuma@netapp.com> |
4 | # |
5 | # Script for easier NFSD fault injection |
6 | |
7 | # Check that debugfs has been mounted |
8 | DEBUGFS=`cat /proc/mounts | grep debugfs` |
9 | if [ "$DEBUGFS" == "" ]; then |
10 | echo "debugfs does not appear to be mounted!" |
11 | echo "Please mount debugfs and try again" |
12 | exit 1 |
13 | fi |
14 | |
15 | # Check that the fault injection directory exists |
16 | DEBUGDIR=`echo $DEBUGFS | awk '{print $2}'`/nfsd |
17 | if [ ! -d "$DEBUGDIR" ]; then |
18 | echo "$DEBUGDIR does not exist" |
19 | echo "Check that your .config selects CONFIG_NFSD_FAULT_INJECTION" |
20 | exit 1 |
21 | fi |
22 | |
23 | function help() |
24 | { |
25 | echo "Usage $0 injection_type [count]" |
26 | echo "" |
27 | echo "Injection types are:" |
28 | ls $DEBUGDIR |
29 | exit 1 |
30 | } |
31 | |
32 | if [ $# == 0 ]; then |
33 | help |
34 | elif [ ! -f $DEBUGDIR/$1 ]; then |
35 | help |
36 | elif [ $# != 2 ]; then |
37 | COUNT=0 |
38 | else |
39 | COUNT=$2 |
40 | fi |
41 | |
42 | BEFORE=`mktemp` |
43 | AFTER=`mktemp` |
44 | dmesg > $BEFORE |
45 | echo $COUNT > $DEBUGDIR/$1 |
46 | dmesg > $AFTER |
47 | # Capture lines that only exist in the $AFTER file |
48 | diff $BEFORE $AFTER | grep ">" |
49 | rm -f $BEFORE $AFTER |
50 |
Branches:
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javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9