xref: /freebsd/tools/test/stress2/misc/arp.sh (revision 02e9120893770924227138ba49df1edb3896112a)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause
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