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 * Make sure that the msgdsize safe to use at every fbt probe 32 * 33 * SECTION: Actions and Subroutines/msgdsize(); 34 * Options and Tunables/bufsize; 35 * Options and Tunables/bufpolicy; 36 * Options and Tunables/statusrate 37 */ 38 39 #pragma D option bufsize=1000 40 #pragma D option bufpolicy=ring 41 #pragma D option statusrate=10ms 42 43 fbt::: 44 { 45 on = (timestamp / 1000000000) & 1; 46 } 47 48 fbt::: 49 /on/ 50 { 51 trace(msgdsize((mblk_t *)rand())); 52 } 53 54 fbt:::entry 55 /on/ 56 { 57 trace(msgdsize((mblk_t *)arg1)); 58 } 59 60 tick-1sec 61 /n++ == 20/ 62 { 63 exit(0); 64 } 65