--- /dev/null
+#!/bin/sh
+
+#
+# CDDL HEADER START
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source. A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2015 by Delphix. All rights reserved.
+# Copyright (C) 2016 Lawrence Livermore National Security, LLC.
+#
+
+basedir="$(dirname $0)"
+
+SCRIPT_COMMON=common.sh
+if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
+ . "${basedir}/${SCRIPT_COMMON}"
+else
+ echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
+fi
+
+PROG=zloop.sh
+
+DEFAULTWORKDIR=/var/tmp
+DEFAULTCOREDIR=/var/tmp/zloop
+
+function usage
+{
+ echo -e "\n$0 [-t <timeout>] [-c <dump directory>]" \
+ "[ -- [extra ztest parameters]]\n" \
+ "\n" \
+ " This script runs ztest repeatedly with randomized arguments.\n" \
+ " If a crash is encountered, the ztest logs, any associated\n" \
+ " vdev files, and core file (if one exists) are moved to the\n" \
+ " output directory ($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" \
+ " -f Specify working directory for ztest vdev files.\n" \
+ " -c Specify a core dump directory to use.\n" \
+ " -h Print this help message.\n" \
+ "" >&2
+}
+
+function or_die
+{
+ $@
+ if [[ $? -ne 0 ]]; then
+ echo "Command failed: $@"
+ exit 1
+ fi
+}
+
+function store_core
+{
+ if [[ $ztrc -ne 0 ]] || [[ -f core ]]; then
+ coreid=$(date "+zloop-%y%m%d-%H%M%S")
+ foundcrashes=$(($foundcrashes + 1))
+
+ dest=$coredir/$coreid
+ or_die mkdir -p $dest
+ or_die mkdir -p $dest/vdev
+
+ echo "*** ztest crash found - moving logs to $dest"
+
+ or_die mv ztest.history $dest/
+ or_die mv ztest.ddt $dest/
+ or_die mv ztest.out $dest/
+ or_die mv $workdir/ztest* $dest/vdev/
+ or_die mv $workdir/zpool.cache $dest/vdev/
+
+ # check for core
+ if [[ -f core ]]; then
+ corestatus=$($GDB --batch --quiet \
+ -ex "set print thread-events off" \
+ -ex "printf \"*\n* Backtrace \n*\n\"" \
+ -ex "bt" \
+ -ex "printf \"*\n* Libraries \n*\n\"" \
+ -ex "info sharedlib" \
+ -ex "printf \"*\n* Threads (full) \n*\n\"" \
+ -ex "info threads" \
+ -ex "printf \"*\n* Backtraces \n*\n\"" \
+ -ex "thread apply all bt" \
+ -ex "printf \"*\n* Backtraces (full) \n*\n\"" \
+ -ex "thread apply all bt full" \
+ -ex "quit" $ZTEST core | grep -v "New LWP")
+
+ # Dump core + logs to stored directory
+ echo "$corestatus" >>$dest/status
+ or_die mv core $dest/
+
+ # Record info in cores logfile
+ echo "*** core @ $coredir/$coreid/core:" | \
+ tee -a ztest.cores
+ echo "$corestatus" | tee -a ztest.cores
+ echo "" | tee -a ztest.cores
+ fi
+ echo "continuing..."
+ fi
+}
+
+# parse arguments
+# expected format: zloop [-t timeout] [-c coredir] [-- extra ztest args]
+coredir=$DEFAULTCOREDIR
+workdir=$DEFAULTWORKDIR
+timeout=0
+while getopts ":ht:c:f:" opt; do
+ case $opt in
+ t ) [[ $OPTARG -gt 0 ]] && timeout=$OPTARG ;;
+ c ) [[ $OPTARG ]] && coredir=$OPTARG ;;
+ f ) [[ $OPTARG ]] && workdir=$(readlink -f $OPTARG) ;;
+ h ) usage
+ exit 2
+ ;;
+ * ) echo "Invalid argument: -$OPTARG";
+ usage
+ exit 1
+ esac
+done
+# pass remaining arguments on to ztest
+shift $((OPTIND - 1))
+
+# enable core dumps
+ulimit -c unlimited
+
+if [[ -f core ]]; then
+ echo "There's a core dump here you might want to look at first."
+ exit 1
+fi
+
+if [[ ! -d $coredir ]]; then
+ echo "core dump directory ($coredir) does not exist, creating it."
+ or_die mkdir -p $coredir
+fi
+
+if [[ ! -w $coredir ]]; then
+ echo "core dump directory ($coredir) is not writable."
+ exit 1
+fi
+
+or_die rm -f ztest.history
+or_die rm -f ztest.ddt
+or_die rm -f ztest.cores
+
+ztrc=0 # ztest return value
+foundcrashes=0 # number of crashes found so far
+starttime=$(date +%s)
+curtime=$starttime
+
+# if no timeout was specified, loop forever.
+while [[ $timeout -eq 0 ]] || [[ $curtime -le $(($starttime + $timeout)) ]]; do
+ zopt="-VVVVV"
+
+ # switch between common arrangements & fully randomized
+ if [[ $((RANDOM % 2)) -eq 0 ]]; then
+ mirrors=2
+ raidz=0
+ parity=1
+ vdevs=2
+ else
+ mirrors=$(((RANDOM % 3) * 1))
+ parity=$(((RANDOM % 3) + 1))
+ raidz=$((((RANDOM % 9) + parity + 1) * (RANDOM % 2)))
+ vdevs=$(((RANDOM % 3) + 3))
+ fi
+ align=$(((RANDOM % 2) * 3 + 9))
+ runtime=$((RANDOM % 100))
+ passtime=$((RANDOM % (runtime / 3 + 1) + 10))
+ size=128m
+
+ zopt="$zopt -m $mirrors"
+ zopt="$zopt -r $raidz"
+ zopt="$zopt -R $parity"
+ zopt="$zopt -v $vdevs"
+ zopt="$zopt -a $align"
+ zopt="$zopt -T $runtime"
+ zopt="$zopt -P $passtime"
+ zopt="$zopt -s $size"
+ zopt="$zopt -f $workdir"
+
+ cmd="$ZTEST $zopt $@"
+ desc="$(date '+%m/%d %T') $cmd"
+ echo "$desc" | tee -a ztest.history
+ echo "$desc" >>ztest.out
+ $cmd >>ztest.out 2>&1
+ ztrc=$?
+ egrep '===|WARNING' ztest.out >>ztest.history
+ $ZDB -U $workdir/zpool.cache -DD ztest >>ztest.ddt
+
+ store_core
+
+ curtime=$(date +%s)
+done
+
+echo "zloop finished, $foundcrashes crashes found"
+
+uptime >>ztest.out
+
+if [[ $foundcrashes -gt 0 ]]; then
+ exit 1
+fi
projects / mirror_zfs.git / commitdiff