xref: /freebsd/tools/test/stress2/misc/pmc.sh (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1#!/bin/sh
2
3#
4# Copyright (c) 2008-2011 Peter Holm
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# Simple pmc test
30
31# "panic: [pmc,4950] pm=0x2ddfe880 runcount 0" seen.
32# https://people.freebsd.org/~pho/stress/log/pmc.txt
33
34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
35
36. ../default.cfg
37
38kldstat -v | grep -q hwpmc  || { kldload hwpmc; loaded=1; }
39
40event=`pmcstat -L 2>/dev/null | tr -d '\t' | sort -R | head -1`
41if [ -n "$event" ]; then
42	for i in `jot 2`; do
43		pmcstat -P $event  -O /tmp/sample.out.$i find -x /var \
44		    -name not.there &
45	done
46	sleep 1
47
48	export runRUNTIME=5m
49	pgrep -q pmcstat &&
50	    (cd ..; ./run.sh vfs.cfg)
51	wait
52fi
53[ $loaded ] && kldunload hwpmc
54rm -f /tmp/sample.out.*
55exit 0
56