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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"
script()
{
$dtrace -s /dev/stdin -x bufpolicy=$1 $1 <<EOF
#pragma D option quiet
#pragma D option statusrate=1hz
uint64_t total;
int thresh;
BEGIN
{
start = timestamp;
thresh = 10;
}
sched:::on-cpu
/pid == \$pid/
{
self->on = vtimestamp;
}
sched:::off-cpu
/self->on/
{
total += vtimestamp - self->on;
}
tick-1sec
/i++ == 10/
{
exit(0);
}
END
/((total * 100) / (timestamp - start)) > thresh/
{
printf("'%s' buffering policy took %d%% of CPU; ",
\$\$1, ((total * 100) / (timestamp - start)));
printf("expected no more than %d%%!\n", thresh);
exit(1);
}
EOF
}
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
dtrace=$1
for policy in "fill ring switch"; do
script $policy
status=$?
if [ "$status" -ne 0 ]; then
exit $status
fi
done
exit 0
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