3 # Copyright (c) 2008 Yahoo!, Inc.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 # 3. Neither the name of the author nor the names of any co-contributors
15 # may be used to endorse or promote products derived from this software
16 # without specific prior written permission.
18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 echo "usage: crashinfo [-d crashdir] [-n dumpnr] [-k kernel] [core]"
38 # Run a single gdb command against a kernel file in batch mode.
39 # The kernel file is specified as the first argument and the command
40 # is given in the remaining arguments.
47 if [ -x /usr/local/bin/gdb ]; then
48 /usr/local/bin/gdb -batch -ex "$@" $k
50 echo -e "$@" | /usr/bin/gdb -x /dev/stdin -batch $k
65 if ($0 ~ "^ [A-Za-z ]+: ") {
72 # Look for a matching kernel version.
73 for k in `sysctl -n kern.bootfile` $(ls -t /boot/*/kernel); do
74 kvers=$(gdb_command $k 'printf " Version String: %s", version' \
76 if [ "$ivers" = "$kvers" ]; then
87 while getopts "d:n:k:" opt; do
104 shift $((OPTIND - 1))
106 if [ $# -eq 1 ]; then
107 if [ -n "$DUMPNR" ]; then
108 echo "-n and an explicit vmcore are mutually exclusive"
112 # Figure out the crash directory and number from the vmcore name.
113 CRASHDIR=`dirname $1`
114 DUMPNR=$(expr $(basename $1) : 'vmcore\.\([0-9]*\)$')
115 if [ -z "$DUMPNR" ]; then
116 echo "Unable to determine dump number from vmcore file $1."
119 elif [ $# -gt 1 ]; then
122 # If we don't have an explicit dump number, operate on the most
124 if [ -z "$DUMPNR" ]; then
125 if ! [ -r $CRASHDIR/bounds ]; then
126 echo "No crash dumps in $CRASHDIR."
129 next=`cat $CRASHDIR/bounds`
130 if [ -z "$next" ] || [ "$next" -eq 0 ]; then
131 echo "No crash dumps in $CRASHDIR."
134 DUMPNR=$(($next - 1))
138 VMCORE=$CRASHDIR/vmcore.$DUMPNR
139 INFO=$CRASHDIR/info.$DUMPNR
140 FILE=$CRASHDIR/core.txt.$DUMPNR
143 if [ ! -e $VMCORE ]; then
144 echo "$VMCORE not found"
148 if [ ! -e $INFO ]; then
149 echo "$INFO not found"
153 # If the user didn't specify a kernel, then try to find one.
154 if [ -z "$KERNEL" ]; then
156 if [ -z "$KERNEL" ]; then
157 echo "Unable to find matching kernel for $VMCORE"
160 elif [ ! -e $KERNEL ]; then
161 echo "$KERNEL not found"
165 echo "Writing crash summary to $FILE."
170 ostype=$(gdb_command $KERNEL 'printf "%s", ostype')
171 osrelease=$(gdb_command $KERNEL 'printf "%s", osrelease')
172 version=$(gdb_command $KERNEL 'printf "%s", version' | tr '\t\n' ' ')
173 machine=$(gdb_command $KERNEL 'printf "%s", machine')
177 echo "$HOSTNAME dumped core - see $VMCORE"
181 echo "$ostype $HOSTNAME $osrelease $version $machine"
183 sed -ne '/^ Panic String: /{s//panic: /;p;}' $INFO
186 # XXX: /bin/sh on 7.0+ is broken so we can't simply pipe the commands to
187 # kgdb via stdin and have to use a temporary file instead.
188 file=`mktemp /tmp/crashinfo.XXXXXX`
189 if [ $? -eq 0 ]; then
192 if [ -x /usr/local/bin/kgdb ]; then
193 /usr/local/bin/kgdb $KERNEL $VMCORE < $file
195 kgdb $KERNEL $VMCORE < $file
202 echo "------------------------------------------------------------------------"
205 ps -M $VMCORE -N $KERNEL -axlww
208 echo "------------------------------------------------------------------------"
211 vmstat -M $VMCORE -N $KERNEL -s
214 echo "------------------------------------------------------------------------"
217 vmstat -M $VMCORE -N $KERNEL -m
220 echo "------------------------------------------------------------------------"
223 vmstat -M $VMCORE -N $KERNEL -z
226 echo "------------------------------------------------------------------------"
229 vmstat -M $VMCORE -N $KERNEL -i
232 echo "------------------------------------------------------------------------"
235 pstat -M $VMCORE -N $KERNEL -T
238 echo "------------------------------------------------------------------------"
241 pstat -M $VMCORE -N $KERNEL -s
244 echo "------------------------------------------------------------------------"
247 iostat -M $VMCORE -N $KERNEL
250 echo "------------------------------------------------------------------------"
253 ipcs -C $VMCORE -N $KERNEL -a
256 echo "------------------------------------------------------------------------"
259 ipcs -C $VMCORE -N $KERNEL -T
262 # XXX: This doesn't actually work in 5.x+
264 echo "------------------------------------------------------------------------"
267 w -M $VMCORE -N $KERNEL -dn
271 echo "------------------------------------------------------------------------"
274 nfsstat -M $VMCORE -N $KERNEL
277 echo "------------------------------------------------------------------------"
280 netstat -M $VMCORE -N $KERNEL -s
283 echo "------------------------------------------------------------------------"
286 netstat -M $VMCORE -N $KERNEL -m
289 echo "------------------------------------------------------------------------"
292 netstat -M $VMCORE -N $KERNEL -anr
295 echo "------------------------------------------------------------------------"
298 netstat -M $VMCORE -N $KERNEL -anA
301 echo "------------------------------------------------------------------------"
304 netstat -M $VMCORE -N $KERNEL -aL
307 echo "------------------------------------------------------------------------"
310 fstat -M $VMCORE -N $KERNEL
313 echo "------------------------------------------------------------------------"
316 dmesg -a -M $VMCORE -N $KERNEL
319 echo "------------------------------------------------------------------------"
325 echo "------------------------------------------------------------------------"
326 echo "ddb capture buffer"
329 ddb capture -M $VMCORE -N $KERNEL print