74 lines
2.4 KiB
Bash
Executable File
74 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2015 EMC Corp.
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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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# Test dynamic kern.maxvnodes implementation.
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# "panic: vm_fault_hold: fault on nofault entry, addr: 0xfffffe00b1b3c000"
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# seen: https://people.freebsd.org/~pho/stress/log/kostik1175.txt
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# https://people.freebsd.org/~pho/stress/log/log0084.txt
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# Fixed by: dc532884d582
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. ../default.cfg
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kldstat | grep -q tmpfs && loaded=1
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mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
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mount -o size=2g -t tmpfs tmpfs $mntpoint || exit 1
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chmod 777 $mntpoint
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oldmx=`sysctl -n kern.maxvnodes`
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trap "sysctl kern.maxvnodes=$oldmx > /dev/null" EXIT SIGINT
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export runRUNTIME=10m
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export RUNDIR=$mntpoint/stressX
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export TESTPROGS="
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testcases/creat/creat
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testcases/mkdir/mkdir
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testcases/swap/swap
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"
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export creatINCARNATIONS=50
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export creatLOAD=100
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su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > /dev/null 2>&1 &
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min=1000
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max=$((oldmx * 4))
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while kill -0 $! 2>/dev/null; do
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sysctl kern.maxvnodes=`jot -r 1 $min $max` > /dev/null
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sleep .2
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done
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wait
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while mount | grep $mntpoint | grep -q tmpfs; do
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umount $mntpoint || sleep 1
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done
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[ $loaded ] && kldunload tmpfs.ko
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exit 0
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