1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"@(#)tst.switchrate.d	1.1	06/08/28 SMI"
28
29/*
30 * ASSERTION:
31 *   If the switch rate is set properly, there should be no drops.
32 *
33 * SECTION: Buffers and Buffering/switch Policy;
34 *	Options and Tunables/bufsize;
35 *	Options and Tunables/switchrate
36 */
37
38/*
39 * We rely on the fact that at least 8 bytes must be stored per iteration
40 * (EPID plus data), but that no more than 40 bytes are stored per iteration.
41 * We are going to let this run for ten seconds.  If the switch rate
42 * is being set properly, there should be no drops.  Note that this test
43 * (regrettably) may be scheduling sensitive -- but it should only fail on
44 * the most pathological systems.
45 */
46#pragma D option bufsize=40
47#pragma D option switchrate=10msec
48#pragma D option quiet
49
50int n;
51
52tick-100msec
53/n < 100/
54{
55	printf("%10d\n", n++);
56}
57
58tick-100msec
59/n == 100/
60{
61	exit(0);
62}
63