diff options
Diffstat (limited to 'scripts/zloop.sh')
-rwxr-xr-x | scripts/zloop.sh | 60 |
1 files changed, 33 insertions, 27 deletions
diff --git a/scripts/zloop.sh b/scripts/zloop.sh index 546e70017..4a572ebab 100755 --- a/scripts/zloop.sh +++ b/scripts/zloop.sh @@ -38,25 +38,30 @@ DEFAULTCOREDIR=/var/tmp/zloop function usage { - echo -e "\n$0 [-t <timeout>] [ -s <vdev size> ] [-c <dump directory>]" \ - "[ -- [extra ztest parameters]]\n" \ - "\n" \ - " This script runs ztest repeatedly with randomized arguments.\n" \ - " If a crash is encountered, the ztest logs, any associated\n" \ - " vdev files, and core file (if one exists) are moved to the\n" \ - " output directory ($DEFAULTCOREDIR by default). Any options\n" \ - " after the -- end-of-options marker will be passed to ztest.\n" \ - "\n" \ - " Options:\n" \ - " -t Total time to loop for, in seconds. If not provided,\n" \ - " zloop runs forever.\n" \ - " -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 + cat >&2 <<EOF + +$0 [-hl] [-c <dump directory>] [-f <vdev directory>] + [-m <max core dumps>] [-s <vdev size>] [-t <timeout>] + [-I <max iterations>] [-- [extra ztest parameters]] + + This script runs ztest repeatedly with randomized arguments. + If a crash is encountered, the ztest logs, any associated + vdev files, and core file (if one exists) are moved to the + output directory ($DEFAULTCOREDIR by default). Any options + after the -- end-of-options marker will be passed to ztest. + + Options: + -c Specify a core dump directory to use. + -f Specify working directory for ztest vdev files. + -h Print this help message. + -l Create 'ztest.core.N' symlink to core directory. + -m Max number of core dumps to allow before exiting. + -s Size of vdev devices. + -t Total time to loop for, in seconds. If not provided, + zloop runs forever. + -I Max number of iterations to loop before exiting. + +EOF } function or_die @@ -185,10 +190,12 @@ timeout=0 size="512m" coremax=0 symlink=0 -while getopts ":ht:m:s:c:f:l" opt; do +iterations=0 +while getopts ":ht:m:I:s:c:f:l" opt; do case $opt in t ) [[ $OPTARG -gt 0 ]] && timeout=$OPTARG ;; m ) [[ $OPTARG -gt 0 ]] && coremax=$OPTARG ;; + I ) [[ $OPTARG ]] && iterations=$OPTARG ;; s ) [[ $OPTARG ]] && size=$OPTARG ;; c ) [[ $OPTARG ]] && coredir=$OPTARG ;; f ) [[ $OPTARG ]] && basedir=$(readlink -f "$OPTARG") ;; @@ -233,9 +240,14 @@ ztrc=0 # ztest return value foundcrashes=0 # number of crashes found so far starttime=$(date +%s) curtime=$starttime +iteration=0 # if no timeout was specified, loop forever. -while [[ $timeout -eq 0 ]] || [[ $curtime -le $((starttime + timeout)) ]]; do +while (( timeout == 0 )) || (( curtime <= (starttime + timeout) )); do + if (( iterations > 0 )) && (( iteration++ == iterations )); then + break + fi + zopt="-G -VVVVV" # start each run with an empty directory @@ -284,10 +296,6 @@ while [[ $timeout -eq 0 ]] || [[ $curtime -le $((starttime + timeout)) ]]; do raid_type="draid" fi - # run from 30 to 120 seconds - runtime=$(((RANDOM % 90) + 30)) - passtime=$((RANDOM % (runtime / 3 + 1) + 10)) - zopt="$zopt -K $raid_type" zopt="$zopt -m $mirrors" zopt="$zopt -r $raid_children" @@ -297,8 +305,6 @@ while [[ $timeout -eq 0 ]] || [[ $curtime -le $((starttime + timeout)) ]]; do zopt="$zopt -v $vdevs" zopt="$zopt -a $align" zopt="$zopt -C $class" - zopt="$zopt -T $runtime" - zopt="$zopt -P $passtime" zopt="$zopt -s $size" zopt="$zopt -f $workdir" |