1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2020 Peter Holm 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# A variation of Mark's swapoff3.sh 31 32# "panic: Last close with active requests" seen: 33# https://people.freebsd.org/~pho/stress/log/mark134.txt 34# Fixed by r358024-6 35 36. ../default.cfg 37[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 38dir=`dirname $diskimage` 39[ `df -k $dir | tail -1 | awk '{print $4}'` -lt \ 40 $((20 * 1024 * 1024)) ] && 41 { echo "Need 20GB on $dir"; exit 0; } 42 43set -e 44md1=$mdstart 45md2=$((md1 + 1)) 46[ `sysctl -n vm.swap_total` -gt 0 ] && { swapoff -a > /dev/null; off=1; } 47truncate -s 10G $dir/swap1 48mdconfig -a -t vnode -f $dir/swap1 -u $md1 49swapon /dev/md$md1 50truncate -s 10G $dir/swap2 51mdconfig -a -t vnode -f $dir/swap2 -u $md2 52swapon /dev/md$md2 53set +e 54 55export swapINCARNATIONS=25 56(cd ../testcases/swap; ./swap -t 4m -i 20 -l 100) & 57for i in `jot 90`; do 58 used=`swapinfo | tail -1 | awk '{print $3}'` 59 [ $used -gt 0 ] && break 60 sleep 2 61done 62 63n=0 64while pgrep -q swap; do 65 for dev in /dev/md$md1 /dev/md$md2; do 66 for i in `jot 3`; do 67 swapoff $dev && break 68 done 69 swapon $dev 70 n=$((n + 1)) 71 done 72done 73[ $n -lt 100 ] && { echo "Only performed $n swapoffs"; s=1; } || s=0 74wait 75for dev in /dev/md$md1 /dev/md$md2; do 76 swapoff $dev 77done 78mdconfig -d -u $md1 79mdconfig -d -u $md2 80rm -f $dir/swap1 $dir/swap2 81[ $off ] && swapon -a > /dev/null 82exit 0 83