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 "%Z%%M% %I% %E% 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 50 int n; 51 52 tick-100msec 53 /n < 100/ 54 { 55 printf("%10d\n", n++); 56 } 57 58 tick-100msec 59 /n == 100/ 60 { 61 exit(0); 62 } 63