usr.sbin/crashinfo/crashinfo.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2008 Yahoo!, Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   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.
  17 #
  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
  28 # SUCH DAMAGE.
  29 #
  30 # $FreeBSD$
  31
  32 usage()
  33 {
  34         echo "usage: crashinfo [-d crashdir] [-n dumpnr] [-k kernel] [core]"
  35         exit 1
  36 }
  37
  38 find_kernel()
  39 {
  40         local ivers k kvers file
  41
  42         ivers=$(awk '
  43         /Version String/ {
  44                 print
  45                 nextline=1
  46                 next
  47         }
  48         // {
  49                 if (nextline) {
  50                         print
  51                         nextline=0
  52                 }
  53         }' $INFO)
  54
  55         file=`mktemp /tmp/crashinfo.XXXXXX`
  56         if [ $? -eq 0 ]; then
  57                 echo 'printf "  Version String: %s", version' > $file
  58                 # Look for a matching kernel version.
  59                 for k in /boot/kernel/kernel $(ls -t $CRASHDIR/kern.*) $(ls -t /boot/*/kernel); do
  60                         kvers=$(gdb -x $file -batch $k 2>/dev/null)
  61                         if [ "$ivers" = "$kvers" ]; then
  62                                 KERNEL=$k
  63                                 KVERS=$kvers
  64                                 break
  65                         fi
  66                 done
  67                 rm -f $file
  68         fi
  69 }
  70
  71 CRASHDIR=/var/crash
  72 DUMPNR=
  73 KERNEL=
  74 KVERS=
  75
  76 while getopts "d:n:k:" opt; do
  77         case "$opt" in
  78         d)
  79                 CRASHDIR=$OPTARG
  80                 ;;
  81         n)
  82                 DUMPNR=$OPTARG
  83                 ;;
  84         k)
  85                 KERNEL=$OPTARG
  86                 ;;
  87         \?)
  88                 usage
  89                 ;;
  90         esac
  91 done
  92
  93 shift $((OPTIND - 1))
  94
  95 if [ $# -eq 1 ]; then
  96         if [ -n "$DUMPNR" ]; then
  97                 echo "-n and an explicit vmcore are mutually exclusive"
  98                 usage
  99         fi
 100
 101         # Figure out the crash directory and number from the vmcore name.
 102         CRASHDIR=`dirname $1`
 103         DUMPNR=$(expr $(basename $1) : 'vmcore\.\([0-9]*\)$')
 104         if [ -z "$DUMPNR" ]; then
 105                 echo "Unable to determine dump number from vmcore file $1."
 106                 exit 1
 107         fi
 108 elif [ $# -gt 1 ]; then
 109         usage
 110 else
 111         # If we don't have an explicit dump number, operate on the most
 112         # recent dump.
 113         if [ -z "$DUMPNR" ]; then
 114                 if ! [ -r $CRASHDIR/bounds ]; then
 115                         echo "No crash dumps in $CRASHDIR."
 116                         exit 1
 117                 fi
 118                 next=`cat $CRASHDIR/bounds`
 119                 if [ -z "$next" ] || [ "$next" -eq 0 ]; then
 120                         echo "No crash dumps in $CRASHDIR."
 121                         exit 1
 122                 fi
 123                 DUMPNR=$(($next - 1))
 124         fi
 125 fi
 126
 127 VMCORE=$CRASHDIR/vmcore.$DUMPNR
 128 INFO=$CRASHDIR/info.$DUMPNR
 129 FILE=$CRASHDIR/core.txt.$DUMPNR
 130 HOSTNAME=`hostname`
 131
 132 if [ ! -e $VMCORE ]; then
 133         echo "$VMCORE not found"
 134         exit 1
 135 fi
 136
 137 if [ ! -e $INFO ]; then
 138         echo "$INFO not found"
 139         exit 1
 140 fi
 141
 142 # If the user didn't specify a kernel, then try to find one.
 143 if [ -z "$KERNEL" ]; then
 144         find_kernel
 145         if [ -z "$KERNEL" ]; then
 146                 echo "Unable to find matching kernel for $VMCORE"
 147                 exit 1
 148         fi
 149 elif [ ! -e $KERNEL ]; then
 150         echo "$KERNEL not found"
 151         exit 1
 152 fi
 153
 154 echo "Writing crash summary to $FILE."
 155
 156 # Simulate uname
 157 #ostype=$(echo -e printf '"%s", ostype' | gdb -x /dev/stdin -batch $KERNEL)
 158 #osrelease=$(echo -e printf '"%s", osrelease' | gdb -x /dev/stdin -batch $KERNEL)
 159 #version=$(echo -e printf '"%s", version' | gdb -x /dev/stdin -batch $KERNEL | \
 160 #    tr '\t\n' '  ')
 161 #machine=$(echo -e printf '"%s", machine' | gdb -x /dev/stdin -batch $KERNEL)
 162
 163 exec > $FILE 2>&1
 164
 165 echo "$HOSTNAME dumped core - see $VMCORE"
 166 echo
 167 date
 168 echo
 169 #echo "$ostype $HOSTNAME $osrelease $version $machine"
 170 echo $KVERS
 171 echo
 172 sed -ne '/^  Panic String: /{s//panic: /;p;}' $INFO
 173 echo
 174
 175 # XXX: /bin/sh on 7.0+ is broken so we can't simply pipe the commands to
 176 # kgdb via stdin and have to use a temporary file instead.
 177 file=`mktemp /tmp/crashinfo.XXXXXX`
 178 if [ $? -eq 0 ]; then
 179         echo "bt" >> $file
 180         echo "source /usr/share/misc/gdbinit" >> $file
 181         echo "lstok" >> $file
 182         echo "psx" >> $file
 183         echo "running_threads" >> $file
 184         echo "lsvfs" >> $file
 185         echo "lsvfsops" >> $file
 186         echo "lsmount" >> $file
 187         echo "kldstat" >> $file
 188         echo "quit" >> $file
 189         ( ulimit -t 15; cat $file | kgdb $KERNEL $VMCORE )
 190         rm -f $file
 191         echo
 192 fi
 193 echo
 194
 195 echo "------------------------------------------------------------------------"
 196 echo "ps -axlwR"
 197 echo
 198 ps -M $VMCORE -N $KERNEL -axlwR
 199 echo
 200
 201 echo "------------------------------------------------------------------------"
 202 echo "vmstat -s"
 203 echo
 204 vmstat -M $VMCORE -N $KERNEL -s
 205 echo
 206
 207 echo "------------------------------------------------------------------------"
 208 echo "vmstat -m"
 209 echo
 210 vmstat -M $VMCORE -N $KERNEL -m
 211 echo
 212
 213 echo "------------------------------------------------------------------------"
 214 echo "vmstat -z"
 215 echo
 216 vmstat -M $VMCORE -N $KERNEL -z
 217 echo
 218
 219 echo "------------------------------------------------------------------------"
 220 echo "vmstat -i"
 221 echo
 222 vmstat -M $VMCORE -N $KERNEL -i
 223 echo
 224
 225 echo "------------------------------------------------------------------------"
 226 echo "pstat -T"
 227 echo
 228 pstat -M $VMCORE -N $KERNEL -T
 229 echo
 230
 231 echo "------------------------------------------------------------------------"
 232 echo "pstat -s"
 233 echo
 234 pstat -M $VMCORE -N $KERNEL -s
 235 echo
 236
 237 #echo "------------------------------------------------------------------------"
 238 #echo "iostat"
 239 #echo
 240 #iostat -M $VMCORE -N $KERNEL
 241 #echo
 242
 243 echo "------------------------------------------------------------------------"
 244 echo "ipcs -a"
 245 echo
 246 ipcs -C $VMCORE -N $KERNEL -a
 247 echo
 248
 249 echo "------------------------------------------------------------------------"
 250 echo "ipcs -T"
 251 echo
 252 ipcs -C $VMCORE -N $KERNEL -T
 253 echo
 254
 255 # XXX: This doesn't actually work in 5.x+
 256 if false; then
 257 echo "------------------------------------------------------------------------"
 258 echo "w -dn"
 259 echo
 260 w -M $VMCORE -N $KERNEL -dn
 261 echo
 262 fi
 263
 264 echo "------------------------------------------------------------------------"
 265 echo "nfsstat"
 266 echo
 267 nfsstat -M $VMCORE -N $KERNEL
 268 echo
 269
 270 echo "------------------------------------------------------------------------"
 271 echo "netstat -s"
 272 echo
 273 netstat -M $VMCORE -N $KERNEL -s
 274 echo
 275
 276 echo "------------------------------------------------------------------------"
 277 echo "netstat -m"
 278 echo
 279 netstat -M $VMCORE -N $KERNEL -m
 280 echo
 281
 282 echo "------------------------------------------------------------------------"
 283 echo "netstat -id"
 284 echo
 285 netstat -M $VMCORE -N $KERNEL -id
 286 echo
 287
 288 echo "------------------------------------------------------------------------"
 289 echo "netstat -anr"
 290 echo
 291 netstat -M $VMCORE -N $KERNEL -anr
 292 echo
 293
 294 echo "------------------------------------------------------------------------"
 295 echo "netstat -anA"
 296 echo
 297 netstat -M $VMCORE -N $KERNEL -anA
 298 echo
 299
 300 echo "------------------------------------------------------------------------"
 301 echo "netstat -aL"
 302 echo
 303 netstat -M $VMCORE -N $KERNEL -aL
 304 echo
 305
 306 echo "------------------------------------------------------------------------"
 307 echo "fstat"
 308 echo
 309 fstat -M $VMCORE -N $KERNEL
 310 echo
 311
 312 echo "------------------------------------------------------------------------"
 313 echo "dmesg"
 314 echo
 315 dmesg -a -M $VMCORE -N $KERNEL
 316 echo
 317
 318 #echo "------------------------------------------------------------------------"
 319 #echo "kernel config"
 320 #echo
 321 #config -x $KERNEL