xref: /freebsd/tools/test/stress2/misc/oom.sh (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1#!/bin/sh
2
3#
4# Copyright (c) 2015 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# Test OOM killing.
30
31# https://people.freebsd.org/~pho/stress/log/kostik847.txt
32# Fixed by r290915 and r290917
33
34# Expect:
35# kernel: pid 5654 (sort), uid 0, was killed: out of swap space
36
37[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
38[ `sysctl -n hw.physmem` -gt $(( 1 * 1024 * 1024 * 1024)) ] &&
39    echo "RAM should be capped to 1GB for this test."
40[ `sysctl -n hw.physmem` -gt $(( 8 * 1024 * 1024 * 1024)) ] && exit 0
41[ `sysctl -n vm.swap_total` -gt 0 ] && { swapoff -a; off=1; }
42
43for i in `jot 4`; do
44	sort < /dev/zero &
45done
46wait
47[ -n "$off" ] && swapon -a
48