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#
# 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 2006 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#ident "%Z%%M% %I% %E% SMI"
#
# This script attempts to tease out a race when probes are initially enabled.
#
script()
{
#
# Nauseatingly, the #defines below must be in the 0th column to
# satisfy the ancient cpp that -C defaults to.
#
$dtrace -C -s /dev/stdin <<EOF
#define PROF1 profile:::profile-4000hz
#define PROF4 PROF1, PROF1, PROF1, PROF1
#define PROF16 PROF4, PROF4, PROF4, PROF4
#define PROF64 PROF16, PROF16, PROF16, PROF16
#define PROF256 PROF64, PROF64, PROF64, PROF64
#define PROF512 PROF256, PROF256
PROF1
{
this->x = 0;
}
PROF512
{
this->x++;
}
PROF1
/this->x != 512/
{
printf("failed! x is %d (expected 512)", this->x);
exit(1);
}
tick-1sec
/secs++/
{
exit(0);
}
EOF
}
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
dtrace=$1
let i=0
while [ "$i" -lt 20 ]; do
script
status=$?
if [ "$status" -ne 0 ]; then
exit $status
fi
let i=i+1
done
exit 0
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