/*
* 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.
*/
#pragma ident "@(#)tst.switchrate.d 1.1 06/08/28 SMI"
/*
* ASSERTION:
* If the switch rate is set properly, there should be no drops.
*
* SECTION: Buffers and Buffering/switch Policy;
* Options and Tunables/bufsize;
* Options and Tunables/switchrate
*/
/*
* We rely on the fact that at least 8 bytes must be stored per iteration
* (EPID plus data), but that no more than 40 bytes are stored per iteration.
* We are going to let this run for ten seconds. If the switch rate
* is being set properly, there should be no drops. Note that this test
* (regrettably) may be scheduling sensitive -- but it should only fail on
* the most pathological systems.
*/
#pragma D option bufsize=40
#pragma D option switchrate=10msec
#pragma D option quiet
int n;
tick-100msec
/n < 100/
{
printf("%10d\n", n++);
}
tick-100msec
/n == 100/
{
exit(0);
}