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#!/bin/ksh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# This tests that cpustat(1) should fail to start if the cpc provider
# is already calling the shots.
#
# This script will fail if:
# 1) The system under test does not define the 'PAPI_tot_ins'
# generic event.
script()
{
$dtrace -o $dtraceout -s /dev/stdin <<EOF
#pragma D option bufsize=128k
cpc:::PAPI_tot_ins-all-10000
{
@[probename] = count();
}
EOF
}
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
dtrace=$1
dtraceout=/tmp/dtrace.out.$$
script 2>/dev/null &
timeout=15
#
# Sleep while the above script fires into life. To guard against dtrace dying
# and us sleeping forever we allow 15 secs for this to happen. This should be
# enough for even the slowest systems.
#
while [ ! -f $dtraceout ]; do
sleep 1
timeout=$(($timeout-1))
if [ $timeout -eq 0 ]; then
echo "dtrace failed to start. Exiting."
exit 1
fi
done
cpustat -c PAPI_tot_ins 1 5
status=$?
rm $dtraceout
exit $status
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