xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/cpc/err.cpcvscpustatpart1.ksh (revision 20a7641f9918de8574b8b3b47dbe35c4bfc78df1)
1#!/bin/ksh
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28
29#
30# This tests that cpustat(1) should fail to start if the cpc provider
31# is already calling the shots.
32#
33# This script will fail if:
34#       1) The system under test does not define the 'PAPI_tot_ins'
35#       generic event.
36
37script()
38{
39	$dtrace -o $dtraceout -s /dev/stdin <<EOF
40	#pragma D option bufsize=128k
41
42	cpc:::PAPI_tot_ins-all-10000
43	{
44		@[probename] = count();
45	}
46EOF
47}
48
49if [ $# != 1 ]; then
50	echo expected one argument: '<'dtrace-path'>'
51	exit 2
52fi
53
54dtrace=$1
55dtraceout=/tmp/dtrace.out.$$
56script 2>/dev/null &
57timeout=15
58
59#
60# Sleep while the above script fires into life. To guard against dtrace dying
61# and us sleeping forever we allow 15 secs for this to happen. This should be
62# enough for even the slowest systems.
63#
64while [ ! -f $dtraceout ]; do
65	sleep 1
66	timeout=$(($timeout-1))
67	if [ $timeout -eq 0 ]; then
68		echo "dtrace failed to start. Exiting."
69		exit 1
70	fi
71done
72
73cpustat -c PAPI_tot_ins 1 5
74status=$?
75
76rm $dtraceout
77
78exit $status
79