81 lines
2.5 KiB
Bash
Executable File
81 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2016 Dell EMC
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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# "panic: vnode_pager_generic_getpages: sector size 8192 too large" seen
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# with an 8k sector size:
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# https://people.freebsd.org/~pho/stress/log/gnop2.txt
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# Fixed by r307626
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. ../default.cfg
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kldstat | grep -q geom_nop || { gnop load 2>/dev/null || exit 0 &&
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notloaded=1; }
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dir=/tmp
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odir=`pwd`
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cd $dir
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sed '1,/^EOF/d' < $odir/mmap5.sh > $dir/gnop2.c
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mycc -o gnop2 -Wall -Wextra gnop2.c || exit 1
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rm -f gnop2.c
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cd $odir
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test() {
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. ../default.cfg
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mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
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[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
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set -e
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mdconfig -a -t swap -s 2g -u $mdstart
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gnop create -S $1 /dev/md$mdstart
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newfs $newfs_flags /dev/md$mdstart.nop > /dev/null
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mount /dev/md$mdstart.nop $mntpoint
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chmod 777 $mntpoint
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set +e
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dd if=/dev/zero of=$mntpoint/file bs=1k count=333 status=none
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/tmp/gnop2 $mntpoint/file
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while mount | grep $mntpoint | grep -q /dev/md; do
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umount $mntpoint || sleep 1
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done
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gnop destroy /dev/md$mdstart.nop
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mdconfig -d -u $mdstart
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}
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gnop status || exit 1
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for i in 1k 2k 4k 8k; do
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test $i
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done
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[ $notloaded ] && gnop unload
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rm -f /tmp/gnop2
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exit 0
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