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