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 2009 Sun Microsystems, Inc. All rights reserved.
24 # Use is subject to license terms.
25 #
26
27 #
28 # ASSERTION: Make sure that we can map in and read the Xen trace buffers.
29 #
30
31 if [ $# != 1 ]; then
32 echo expected one argument: '<'dtrace-path'>'
33 exit 2
34 fi
35
36 #
37 # Do not fail the test in a domU
38 #
39 if [ ! -c /dev/xen/privcmd ]; then
40 exit 0
41 fi
42
43 dtrace=$1
44
45 script()
46 {
47 $dtrace -qs /dev/stdin <<EOF
48 xdt:sched::on-cpu
49 /arg0 == 0/
50 {
51 self->on++;
52 }
53
54 xdt:sched::off-cpu
55 /arg0 == 0 && self->on/
56 {
57 self->off++;
58 }
59
60 xdt:sched::off-cpu
61 /self->on > 50 && self->off > 50/
62 {
63 exit(0);
64 }
65
66 profile:::tick-1sec
67 /n++ > 10/
68 {
69 exit(1);
70 }
71 EOF
72 }
73
74 script
75 status=$?
76
77 exit $status