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#!/usr/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2022 Mark Johnston <markj@FreeBSD.org>
#
script()
{
$dtrace -q -s /dev/stdin <<__EOF__
kinst::vm_fault: {}
kinst::amd64_syscall: {}
kinst::exit1: {}
kinst::spinlock_enter: {}
tick-10s {exit(0);}
__EOF__
}
spin()
{
while true; do
ls -la / >/dev/null 2>&1
done
}
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
dtrace=$1
spin &
child=$!
script
exit $?
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