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 /* 28 * ASSERTION: 29 * Make sure that the msgdsize safe to use at every fbt probe 30 * 31 * SECTION: Actions and Subroutines/msgdsize(); 32 * Options and Tunables/bufsize; 33 * Options and Tunables/bufpolicy; 34 * Options and Tunables/statusrate 35 */ 36 37 #pragma D option bufsize=1000 38 #pragma D option bufpolicy=ring 39 #pragma D option statusrate=10ms 40 41 fbt::: 42 { 43 on = (timestamp / 1000000000) & 1; 44 } 45 46 fbt::: 47 /on/ 48 { 49 trace(msgdsize((mblk_t *)rand())); 50 } 51 52 fbt:::entry 53 /on/ 54 { 55 trace(msgdsize((mblk_t *)arg1)); 56 } 57 58 tick-1sec 59 /n++ == 20/ 60 { 61 exit(0); 62 } 63