#!/bin/sh

#
# Copyright (c) 2018 Dell EMC Isilon
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# Regression test inspired by Andriy Gapon for Bug 222027 - panic on
# non-zero RACCT destroy.

# "panic: destroying non-empty racct ..." seen.
# https://people.freebsd.org/~pho/stress/log/racct.txt
# "Page fault in slab_free_item()" seen:
# https://people.freebsd.org/~pho/stress/log/racct-2.txt

[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
[ "`sysctl -in kern.racct.enable`" != "1" ] &&
    echo "Note: kern.racct.enable is disabled"
pgrep -Sq accounting || { service accounting onestart && started=1; }
(cd ../testcases/swap; ./swap -t 2m -i 5 -v -l 100) > /dev/null &
sleep .5
start=`date +%s`
while [ $((`date +%s` - start)) -lt 120 ]; do
	pids=""
	for i in `jot 5`; do
		for i in `jot 500`; do
			exec su -c xuser -m root -c ':' &
		done &
		pids="$pids $!"
	done
	wait $pids
	while [ `pgrep su | wc -l` -gt 100 ]; do sleep 1; done
done
wait
[ $started ] && service accounting onestop
exit 0