" -s Size of vdev devices.\n" \
" -f Specify working directory for ztest vdev files.\n" \
" -c Specify a core dump directory to use.\n" \
+ " -m Max number of core dumps to allow before exiting.\n" \
+ " -l Create 'ztest.core.N' symlink to core directory.\n" \
" -h Print this help message.\n" \
"" >&2
}
# core file helpers
origcorepattern="$(cat /proc/sys/kernel/core_pattern)"
-coreglob="$(egrep -o '^([^|%[:space:]]*)' /proc/sys/kernel/core_pattern)*"
+coreglob="$(grep -E -o '^([^|%[:space:]]*)' /proc/sys/kernel/core_pattern)*"
if [[ $coreglob = "*" ]]; then
echo "Setting core file pattern..."
echo "core" > /proc/sys/kernel/core_pattern
- coreglob="$(egrep -o '^([^|%[:space:]]*)' \
+ coreglob="$(grep -E -o '^([^|%[:space:]]*)' \
/proc/sys/kernel/core_pattern)*"
fi
coreid=$(date "+zloop-%y%m%d-%H%M%S")
foundcrashes=$((foundcrashes + 1))
+ # zdb debugging
+ zdbcmd="$ZDB -U "$workdir/zpool.cache" -dddMmDDG ztest"
+ zdbdebug=$($zdbcmd 2>&1)
+ echo -e "$zdbcmd\n" >>ztest.zdb
+ echo "$zdbdebug" >>ztest.zdb
+
dest=$coredir/$coreid
or_die mkdir -p "$dest"
or_die mkdir -p "$dest/vdev"
+ if [[ $symlink -ne 0 ]]; then
+ or_die ln -sf "$dest" ztest.core.$foundcrashes
+ fi
+
echo "*** ztest crash found - moving logs to $dest"
or_die mv ztest.history "$dest/"
- or_die mv ztest.ddt "$dest/"
+ or_die mv ztest.zdb "$dest/"
or_die mv ztest.out "$dest/"
or_die mv "$workdir/ztest*" "$dest/vdev/"
- or_die mv "$workdir/zpool.cache" "$dest/vdev/"
+
+ if [[ -e "$workdir/zpool.cache" ]]; then
+ or_die mv "$workdir/zpool.cache" "$dest/vdev/"
+ fi
# check for core
if [[ -f "$core" ]]; then
coreprog=$(core_prog "$core")
- corestatus=$($GDB --batch --quiet \
+ coredebug=$($GDB --batch --quiet \
-ex "set print thread-events off" \
-ex "printf \"*\n* Backtrace \n*\n\"" \
-ex "bt" \
-ex "thread apply all bt" \
-ex "printf \"*\n* Backtraces (full) \n*\n\"" \
-ex "thread apply all bt full" \
- -ex "quit" "$coreprog" "$core" | grep -v "New LWP")
+ -ex "quit" "$coreprog" "$core" 2>&1 | \
+ grep -v "New LWP")
# Dump core + logs to stored directory
- echo "$corestatus" >>"$dest/status"
+ echo "$coredebug" >>"$dest/ztest.gdb"
or_die mv "$core" "$dest/"
# Record info in cores logfile
echo "*** core @ $coredir/$coreid/$core:" | \
tee -a ztest.cores
- echo "$corestatus" | tee -a ztest.cores
- echo "" | tee -a ztest.cores
fi
- echo "continuing..."
+
+ if [[ $coremax -gt 0 ]] &&
+ [[ $foundcrashes -ge $coremax ]]; then
+ echo "exiting... max $coremax allowed cores"
+ exit 1
+ else
+ echo "continuing..."
+ fi
fi
}
rundir="zloop-run"
timeout=0
size="512m"
-while getopts ":ht:s:c:f:" opt; do
+coremax=0
+symlink=0
+while getopts ":ht:m:s:c:f:l" opt; do
case $opt in
t ) [[ $OPTARG -gt 0 ]] && timeout=$OPTARG ;;
+ m ) [[ $OPTARG -gt 0 ]] && coremax=$OPTARG ;;
s ) [[ $OPTARG ]] && size=$OPTARG ;;
c ) [[ $OPTARG ]] && coredir=$OPTARG ;;
f ) [[ $OPTARG ]] && basedir=$(readlink -f "$OPTARG") ;;
+ l ) symlink=1 ;;
h ) usage
exit 2
;;
if [[ -f "$(core_file)" ]]; then
echo -n "There's a core dump here you might want to look at first... "
core_file
+ echo
exit 1
fi
fi
or_die rm -f ztest.history
-or_die rm -f ztest.ddt
+or_die rm -f ztest.zdb
or_die rm -f ztest.cores
ztrc=0 # ztest return value
# if no timeout was specified, loop forever.
while [[ $timeout -eq 0 ]] || [[ $curtime -le $((starttime + timeout)) ]]; do
- zopt="-VVVVV"
+ zopt="-G -VVVVV"
# start each run with an empty directory
workdir="$basedir/$rundir"
echo "$desc" >>ztest.out
$cmd >>ztest.out 2>&1
ztrc=$?
- egrep '===|WARNING' ztest.out >>ztest.history
- $ZDB -U "$workdir/zpool.cache" -DD ztest >>ztest.ddt 2>&1
+ grep -E '===|WARNING' ztest.out >>ztest.history
store_core