18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2016 EMC Corp. 58a272653SPeter Holm# All rights reserved. 68a272653SPeter Holm# 78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 88a272653SPeter Holm# modification, are permitted provided that the following conditions 98a272653SPeter Holm# are met: 108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 118a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 138a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 148a272653SPeter Holm# documentation and/or other materials provided with the distribution. 158a272653SPeter Holm# 168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 198a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 268a272653SPeter Holm# SUCH DAMAGE. 278a272653SPeter Holm# 288a272653SPeter Holm 298a272653SPeter Holm# Simple dtrace(1) test scenario. 308a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/dtrace.txt 318a272653SPeter Holm 328a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 338a272653SPeter Holm. ../default.cfg 348a272653SPeter Holmdtrace -n 'dtrace:::BEGIN { exit(0); }' > /dev/null 2>&1 || exit 0 358a272653SPeter Holm 368a272653SPeter Holmmount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint 378a272653SPeter Holm[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 388a272653SPeter Holmmdconfig -a -t swap -s 2g -u $mdstart 39*608c97bfSPeter Holmnewfs md$mdstart > /dev/null 40*608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint 418a272653SPeter Holmchmod 777 $mntpoint 428a272653SPeter Holm 438a272653SPeter Holmexport runRUNTIME=5m 448a272653SPeter Holmexport RUNDIR=$mntpoint/stressX 458a272653SPeter Holm 468a272653SPeter Holmlog=/tmp/dtrace.$$ 478a272653SPeter Holmtrap "rm -f $log" EXIT INT 488a272653SPeter Holmdtrace -w -n 'syscall::*read:entry,syscall::*write:entry {\ 498a272653SPeter Holm @rw[execname,probefunc] = count(); }' > $log 2>&1 & 508a272653SPeter Holmpid=$! 518a272653SPeter Holmsleep 1 528a272653SPeter Holmsu $testuser -c 'cd ..; ./run.sh marcus.cfg' > /dev/null 2>&1 538a272653SPeter Holmkill -INT $pid > /dev/null 2>&1 548a272653SPeter Holmwhile pgrep -q dtrace; do 558a272653SPeter Holm pkill dtrace 568a272653SPeter Holm sleep 2 578a272653SPeter Holmdone 588a272653SPeter Holmwait 598a272653SPeter Holmtail -5 $log 608a272653SPeter Holm 618a272653SPeter Holmwhile mount | grep "on $mntpoint " | grep -q /dev/md; do 628a272653SPeter Holm umount $mntpoint || sleep 1 638a272653SPeter Holmdone 648a272653SPeter Holmmdconfig -d -u $mdstart 658a272653SPeter Holmkldstat | grep -q dtraceall && 668a272653SPeter Holm kldunload dtraceall.ko 678a272653SPeter Holmexit 0 68