1*2633Sahl /* 2*2633Sahl * CDDL HEADER START 3*2633Sahl * 4*2633Sahl * The contents of this file are subject to the terms of the 5*2633Sahl * Common Development and Distribution License (the "License"). 6*2633Sahl * You may not use this file except in compliance with the License. 7*2633Sahl * 8*2633Sahl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*2633Sahl * or http://www.opensolaris.org/os/licensing. 10*2633Sahl * See the License for the specific language governing permissions 11*2633Sahl * and limitations under the License. 12*2633Sahl * 13*2633Sahl * When distributing Covered Code, include this CDDL HEADER in each 14*2633Sahl * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*2633Sahl * If applicable, add the following below this CDDL HEADER, with the 16*2633Sahl * fields enclosed by brackets "[]" replaced with your own identifying 17*2633Sahl * information: Portions Copyright [yyyy] [name of copyright owner] 18*2633Sahl * 19*2633Sahl * CDDL HEADER END 20*2633Sahl */ 21*2633Sahl 22*2633Sahl /* 23*2633Sahl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24*2633Sahl * Use is subject to license terms. 25*2633Sahl */ 26*2633Sahl 27*2633Sahl #pragma ident "%Z%%M% %I% %E% SMI" 28*2633Sahl 29*2633Sahl /* 30*2633Sahl * ASSERTION: 31*2633Sahl * If the switch rate is set properly, there should be no drops. 32*2633Sahl * 33*2633Sahl * SECTION: Buffers and Buffering/switch Policy; 34*2633Sahl * Options and Tunables/bufsize; 35*2633Sahl * Options and Tunables/switchrate 36*2633Sahl */ 37*2633Sahl 38*2633Sahl /* 39*2633Sahl * We rely on the fact that at least 8 bytes must be stored per iteration 40*2633Sahl * (EPID plus data), but that no more than 40 bytes are stored per iteration. 41*2633Sahl * We are going to let this run for ten seconds. If the switch rate 42*2633Sahl * is being set properly, there should be no drops. Note that this test 43*2633Sahl * (regrettably) may be scheduling sensitive -- but it should only fail on 44*2633Sahl * the most pathological systems. 45*2633Sahl */ 46*2633Sahl #pragma D option bufsize=40 47*2633Sahl #pragma D option switchrate=10msec 48*2633Sahl #pragma D option quiet 49*2633Sahl 50*2633Sahl int n; 51*2633Sahl 52*2633Sahl tick-100msec 53*2633Sahl /n < 100/ 54*2633Sahl { 55*2633Sahl printf("%10d\n", n++); 56*2633Sahl } 57*2633Sahl 58*2633Sahl tick-100msec 59*2633Sahl /n == 100/ 60*2633Sahl { 61*2633Sahl exit(0); 62*2633Sahl } 63