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 * trace with NULL argument - generate a bunch of errors 32 * 33 * SECTION: Options and Tunables/bufsize; 34 * Options and Tunables/bufpolicy 35 */ 36 37 /* 38 * We set our buffer size absurdly low to prevent a flood of errors that we 39 * don't care about. 40 */ 41 42 #pragma D option bufsize=16 43 #pragma D option bufpolicy=ring 44 45 fbt::: 46 { 47 on = (timestamp / 1000000000) & 1; 48 } 49 50 fbt::: 51 /on/ 52 { 53 n++; 54 trace(*(int *)NULL); 55 } 56 57 dtrace:::ERROR 58 { 59 err++; 60 } 61 62 tick-1sec 63 /sec++ == 10/ 64 { 65 exit(2); 66 } 67 68 END 69 /n == 0 || err == 0/ 70 { 71 exit(1); 72 } 73 74 END 75 /n != 0 && err != 0/ 76 { 77 exit(0); 78 } 79