err.cputrackfailtostart.ksh revision 8803:8c01b39012c9
1284990Scy#!/bin/ksh
2284990Scy#
3284990Scy# CDDL HEADER START
4284990Scy#
5284990Scy# The contents of this file are subject to the terms of the
6284990Scy# Common Development and Distribution License (the "License").
7284990Scy# You may not use this file except in compliance with the License.
8284990Scy#
9284990Scy# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10284990Scy# or http://www.opensolaris.org/os/licensing.
11284990Scy# See the License for the specific language governing permissions
12284990Scy# and limitations under the License.
13284990Scy#
14284990Scy# When distributing Covered Code, include this CDDL HEADER in each
15284990Scy# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16284990Scy# If applicable, add the following below this CDDL HEADER, with the
17284990Scy# fields enclosed by brackets "[]" replaced with your own identifying
18284990Scy# information: Portions Copyright [yyyy] [name of copyright owner]
19284990Scy#
20284990Scy# CDDL HEADER END
21284990Scy#
22284990Scy
23284990Scy#
24284990Scy# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25284990Scy# Use is subject to license terms.
26284990Scy
27284990Scy#
28284990Scy# This script ensures that cputrack(1M) will fail to start when the cpc
29284990Scy# provider has active enablings.
30284990Scy#
31284990Scy# The script will fail if:
32284990Scy#	1) The system under test does not define the 'PAPI_tot_ins' event.
33284990Scy#
34284990Scy
35284990Scyscript()
36284990Scy{
37284990Scy        $dtrace -o $dtraceout -s /dev/stdin <<EOF
38284990Scy        #pragma D option bufsize=128k
39284990Scy
40284990Scy        cpc:::PAPI_tot_ins-all-10000
41284990Scy        {
42284990Scy                @[probename] = count();
43284990Scy        }
44284990ScyEOF
45284990Scy}
46284990Scy
47284990Scy
48284990Scyif [ $# != 1 ]; then
49284990Scy        echo expected one argument: '<'dtrace-path'>'
50284990Scy        exit 2
51284990Scyfi
52284990Scy
53284990Scydtrace=$1
54284990Scydtraceout=/tmp/dtrace.out.$$
55284990Scyscript 2>/dev/null &
56timeout=15
57
58#
59# Sleep while the above script fires into life. To guard against dtrace dying
60# and us sleeping forever we allow 15 secs for this to happen. This should be
61# enough for even the slowest systems.
62#
63while [ ! -f $dtraceout ]; do
64        sleep 1
65        timeout=$(($timeout-1))
66        if [ $timeout -eq 0 ]; then
67                echo "dtrace failed to start. Exiting."
68                exit 1
69        fi
70done
71
72cputrack -c PAPI_tot_ins sleep 10
73status=$?
74
75rm $dtraceout
76
77exit $status
78