1#
2# CDDL HEADER START
3#
4# The contents of this file are subject to the terms of the
5# Common Development and Distribution License (the "License").
6# You may not use this file except in compliance with the License.
7#
8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9# or http://www.opensolaris.org/os/licensing.
10# See the License for the specific language governing permissions
11# and limitations under the License.
12#
13# When distributing Covered Code, include this CDDL HEADER in each
14# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15# If applicable, add the following below this CDDL HEADER, with the
16# fields enclosed by brackets "[]" replaced with your own identifying
17# information: Portions Copyright [yyyy] [name of copyright owner]
18#
19# CDDL HEADER END
20#
21
22#
23# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26# ident	"%Z%%M%	%I%	%E% SMI"
27
28script()
29{
30	$dtrace -qs /dev/stdin <<EOF
31	profile-1234hz
32	/arg0 != 0/
33	{
34		@[sym(arg0)] = count();
35	}
36
37	tick-100ms
38	/i++ == 50/
39	{
40		exit(0);
41	}
42EOF
43}
44
45spinny()
46{
47	while true; do
48		/usr/bin/date > /dev/null
49	done
50}
51
52if [ $# != 1 ]; then
53	echo expected one argument: '<'dtrace-path'>'
54	exit 2
55fi
56
57dtrace=$1
58
59spinny &
60child=$!
61
62#
63# This is the same gutsy test as that found in the func() test; see that
64# test for the rationale.
65#
66script | tee /dev/fd/2 | grep mutex_enter > /dev/null
67status=$?
68
69kill $child
70exit $status
71