diff options
Diffstat (limited to 'scripts/zloop.sh')
| -rwxr-xr-x | scripts/zloop.sh | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/scripts/zloop.sh b/scripts/zloop.sh index 50ceb4dfa..1f36f865b 100755 --- a/scripts/zloop.sh +++ b/scripts/zloop.sh @@ -52,6 +52,8 @@ function usage " -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 } @@ -105,14 +107,24 @@ function store_core 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*" "$dest/vdev/" @@ -123,7 +135,7 @@ function store_core # check for core if [[ -f "$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" \ @@ -135,17 +147,25 @@ function store_core -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 fi - echo "continuing..." + + if [[ $coremax -gt 0 ]] && + [[ $foundcrashes -ge $coremax ]]; then + echo "exiting... max $coremax allowed cores" + exit 1 + else + echo "continuing..." + fi fi } @@ -156,12 +176,16 @@ basedir=$DEFAULTWORKDIR 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 "$OPTARG") ;; + l ) symlink=1 ;; h ) usage exit 2 ;; @@ -180,6 +204,7 @@ export ASAN_OPTIONS=abort_on_error=1:disable_coredump=0 if [[ -f "$(core_file)" ]]; then echo -n "There's a core dump here you might want to look at first... " core_file + echo exit 1 fi @@ -194,7 +219,7 @@ if [[ ! -w $coredir ]]; then 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 @@ -245,7 +270,6 @@ while [[ $timeout -eq 0 ]] || [[ $curtime -le $((starttime + timeout)) ]]; do $cmd >>ztest.out 2>&1 ztrc=$? grep -E '===|WARNING' ztest.out >>ztest.history - $ZDB -U "$workdir/zpool.cache" -DD ztest >>ztest.ddt 2>&1 store_core |