1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5# 6# Copyright (c) 2019 Dell EMC Isilon 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# arp(8) seen waiting in "sbwait" (on non HEAD): 31# UID PID PPID CPU PRI NI VSZ RSS MWCHAN STAT TT TIME COMMAND 32# 0 70090 68079 0 20 0 9872 2384 sbwait S+ u0 0:00.32 arp -da 33 34[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 35 36start=`date +%s` 37for i in `jot 3`; do 38 while [ $((`date +%s` - start)) -lt 120 ]; do arp -da > /dev/null 2>&1; done & 39 pids="$pids $!" 40done 41(cd ../testcases/swap; ./swap -t 2m -i 20 -h -l 100) > /dev/null 42while [ $((`date +%s` - start)) -lt 120 ]; do sleep 1; done 43 44for i in `jot 10`; do 45 n=`pgrep -f arp.sh | wc -l` 46 [ $n -eq 0 ] && break 47 sleep 10 48done 49s=0 50if [ $n -ne 0 ]; then 51 ps -l | grep -v grep | grep arp 52 pgrep arp | xargs procstat -k 53 while pkill arp; do :; done 54 s=1 55fi 56wait 57exit $s 58