1#!/bin/sh 2 3# 4# Copyright (c) 2016 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# Simple dtrace(1) test scenario. 30# https://people.freebsd.org/~pho/stress/log/dtrace.txt 31 32[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 33. ../default.cfg 34dtrace -n 'dtrace:::BEGIN { exit(0); }' > /dev/null 2>&1 || exit 0 35 36mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint 37[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 38mdconfig -a -t swap -s 2g -u $mdstart 39bsdlabel -w md$mdstart auto 40newfs md${mdstart}$part > /dev/null 41mount /dev/md${mdstart}$part $mntpoint 42chmod 777 $mntpoint 43 44export runRUNTIME=5m 45export RUNDIR=$mntpoint/stressX 46 47log=/tmp/dtrace.$$ 48trap "rm -f $log" EXIT INT 49dtrace -w -n 'syscall::*read:entry,syscall::*write:entry {\ 50 @rw[execname,probefunc] = count(); }' > $log 2>&1 & 51pid=$! 52sleep 1 53su $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1 54kill -INT $pid > /dev/null 2>&1 55while pgrep -q dtrace; do 56 pkill dtrace 57 sleep 2 58done 59wait 60tail -5 $log 61 62while mount | grep "on $mntpoint " | grep -q /dev/md; do 63 umount $mntpoint || sleep 1 64done 65mdconfig -d -u $mdstart 66kldstat | grep -q dtraceall && 67 kldunload dtraceall.ko 68exit 0 69