9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# CDDL HEADER START
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# The contents of this file are subject to the terms of the
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# Common Development and Distribution License (the "License").
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# You may not use this file except in compliance with the License.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# or http://www.opensolaris.org/os/licensing.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# See the License for the specific language governing permissions
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# and limitations under the License.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# When distributing Covered Code, include this CDDL HEADER in each
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# If applicable, add the following below this CDDL HEADER, with the
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# fields enclosed by brackets "[]" replaced with your own identifying
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# information: Portions Copyright [yyyy] [name of copyright owner]
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# CDDL HEADER END
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
bd0f52d78d701efcad2c460df61b45677d041c35jhaslam# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# Use is subject to license terms.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
bd0f52d78d701efcad2c460df61b45677d041c35jhaslam# ident "%Z%%M% %I% %E% SMI"
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlscript()
9512fe850e98fdd448c638ca63fdd92a8a510255ahl{
9512fe850e98fdd448c638ca63fdd92a8a510255ahl $dtrace -qs /dev/stdin <<EOF
9512fe850e98fdd448c638ca63fdd92a8a510255ahl profile-1234hz
9512fe850e98fdd448c638ca63fdd92a8a510255ahl /arg0 != 0/
9512fe850e98fdd448c638ca63fdd92a8a510255ahl {
9512fe850e98fdd448c638ca63fdd92a8a510255ahl @[func(arg0)] = count();
9512fe850e98fdd448c638ca63fdd92a8a510255ahl }
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahl tick-100ms
9512fe850e98fdd448c638ca63fdd92a8a510255ahl /i++ == 50/
9512fe850e98fdd448c638ca63fdd92a8a510255ahl {
9512fe850e98fdd448c638ca63fdd92a8a510255ahl exit(0);
9512fe850e98fdd448c638ca63fdd92a8a510255ahl }
9512fe850e98fdd448c638ca63fdd92a8a510255ahlEOF
9512fe850e98fdd448c638ca63fdd92a8a510255ahl}
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlspinny()
9512fe850e98fdd448c638ca63fdd92a8a510255ahl{
9512fe850e98fdd448c638ca63fdd92a8a510255ahl while true; do
9512fe850e98fdd448c638ca63fdd92a8a510255ahl /usr/bin/date > /dev/null
9512fe850e98fdd448c638ca63fdd92a8a510255ahl done
9512fe850e98fdd448c638ca63fdd92a8a510255ahl}
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
23b5c241225a8ade2b6b9f06ebb891ee459e3b02tomeeif [ $# != 1 ]; then
23b5c241225a8ade2b6b9f06ebb891ee459e3b02tomee echo expected one argument: '<'dtrace-path'>'
23b5c241225a8ade2b6b9f06ebb891ee459e3b02tomee exit 2
23b5c241225a8ade2b6b9f06ebb891ee459e3b02tomeefi
23b5c241225a8ade2b6b9f06ebb891ee459e3b02tomee
23b5c241225a8ade2b6b9f06ebb891ee459e3b02tomeedtrace=$1
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlspinny &
9512fe850e98fdd448c638ca63fdd92a8a510255ahlchild=$!
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# This is gutsy -- we're assuming that mutex_enter(9F) will show up in the
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# output. This is most likely _not_ to show up in the output if the
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# platform does not support arbitrary resolution interval timers -- but
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# the above script was stress-tested down to 100 hertz and still ran
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# successfully on all platforms, so one is hopeful that this test will pass
9512fe850e98fdd448c638ca63fdd92a8a510255ahl# even in that case.
9512fe850e98fdd448c638ca63fdd92a8a510255ahl#
9512fe850e98fdd448c638ca63fdd92a8a510255ahlscript | tee /dev/fd/2 | grep mutex_enter > /dev/null
9512fe850e98fdd448c638ca63fdd92a8a510255ahlstatus=$?
9512fe850e98fdd448c638ca63fdd92a8a510255ahl
9512fe850e98fdd448c638ca63fdd92a8a510255ahlkill $child
9512fe850e98fdd448c638ca63fdd92a8a510255ahlexit $status