18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 58a272653SPeter Holm# 68a272653SPeter Holm# Copyright (c) 2018 Dell EMC Isilon 78a272653SPeter Holm# 88a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 98a272653SPeter Holm# modification, are permitted provided that the following conditions 108a272653SPeter Holm# are met: 118a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 128a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 138a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 148a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 158a272653SPeter Holm# documentation and/or other materials provided with the distribution. 168a272653SPeter Holm# 178a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 188a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 198a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 208a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 218a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 228a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 238a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 248a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 258a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 268a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 278a272653SPeter Holm# SUCH DAMAGE. 288a272653SPeter Holm# 298a272653SPeter Holm 308a272653SPeter Holm# Write a large file to a tmpfs FS 318a272653SPeter Holm# Test scenario suggestion by kib@ 328a272653SPeter Holm 338a272653SPeter Holm# Thread stuck in vmwait seen: 348a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/jeff138.txt 358a272653SPeter Holm# Fixed by r355771 368a272653SPeter Holm 378a272653SPeter Holm. ../default.cfg 388a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 398a272653SPeter Holmsize=`sysctl -n hw.usermem` 408a272653SPeter Holm 418a272653SPeter Holmmount | grep "on $mntpoint " && umount -f $mntpoint 428a272653SPeter Holmmount -o size=$size -t tmpfs tmpfs $mntpoint 438a272653SPeter Holm 448a272653SPeter Holmsize=$((size / 1024 / 1024)) 458a272653SPeter Holmsize=$((size - 5)) 468a272653SPeter Holmecho "dd if=/dev/zero of=$mntpoint/file bs=1m count=$size" 478a272653SPeter Holmdd if=/dev/zero of=$mntpoint/file bs=1m count=$size status=none 488a272653SPeter Holmtimeout 1m find `dirname $diskimage` -ls > /dev/null 2>&1 498a272653SPeter Holm 508a272653SPeter Holmfor i in `jot 6`; do 518a272653SPeter Holm mount | grep -q "on $mntpoint " || break 528a272653SPeter Holm umount $mntpoint && break || sleep 10 538a272653SPeter Holm [ $i -eq 6 ] && 548a272653SPeter Holm { echo FATAL; fstat -mf $mntpoint; exit 1; } 558a272653SPeter Holmdone 568a272653SPeter Holmexit 0 57