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 2006 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26#pragma ident	"@(#)tst.func.ksh	1.1	06/08/28 SMI"
27
28script()
29{
30	$dtrace -qs /dev/stdin <<EOF
31	profile-1234hz
32	/arg0 != 0/
33	{
34		@[func(arg0)] = count();
35	}
36
37	tick-100ms
38	/i++ == 50/
39	{
40		exit(0);
41	}
42EOF
43}
44
45if [ -f /usr/lib/dtrace/darwin.d ] ; then
46date=/bin/date
47else
48date=/usr/bin/date
49fi
50
51spinny()
52{
53	while true; do
54		$date > /dev/null
55	done
56}
57
58dtrace=/usr/sbin/dtrace
59
60spinny &
61child=$!
62
63#
64# This is gutsy -- we're assuming that mutex_enter(9F) will show up in the
65# output.  This is most likely _not_ to show up in the output if the 
66# platform does not support arbitrary resolution interval timers -- but
67# the above script was stress-tested down to 100 hertz and still ran
68# successfully on all platforms, so one is hopeful that this test will pass
69# even in that case.
70#
71if [ -f /usr/lib/dtrace/darwin.d ] ; then
72script | tee /dev/fd/2 | grep ml_set_interrupts_enabled > /dev/null
73else
74script | tee /dev/fd/2 | grep mutex_enter > /dev/null
75fi
76status=$?
77
78kill $child
79exit $status
80