1#!/bin/sh 2 3# 4# Copyright (c) 2015 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 30 31# Test dynamic kern.maxvnodes implementation. 32 33# "panic: vm_fault_hold: fault on nofault entry, addr: 0xfffffe00b1b3c000" 34# seen: https://people.freebsd.org/~pho/stress/log/kostik1175.txt 35 36. ../default.cfg 37 38kldstat | grep -q tmpfs.ko || notloaded=1 39mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 40mount -o size=2g -t tmpfs tmpfs $mntpoint || exit 1 41chmod 777 $mntpoint 42 43oldmx=`sysctl -n kern.maxvnodes` 44trap "sysctl kern.maxvnodes=$oldmx > /dev/null" EXIT SIGINT 45 46export runRUNTIME=10m 47export RUNDIR=$mntpoint/stressX 48export TESTPROGS=" 49testcases/creat/creat 50testcases/mkdir/mkdir 51testcases/swap/swap 52" 53export creatINCARNATIONS=50 54export creatLOAD=100 55 56su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > /dev/null 2>&1 & 57 58min=1000 59max=$((oldmx * 4)) 60while kill -0 $! 2>/dev/null; do 61 sysctl kern.maxvnodes=`jot -r 1 $min $max` > /dev/null 62 sleep `jot -r 1 1 3` 63done 64wait 65 66while mount | grep $mntpoint | grep -q tmpfs; do 67 umount $mntpoint || sleep 1 68done 69[ $notloaded ] && kldunload tmpfs.ko 70exit 0 71