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 * trace rand() at every fbt probe point. 30 * 31 * SECTION: Actions and Subroutines/rand(); 32 * Options and Tunables/bufsize; 33 * Options and Tunables/bufpolicy 34 */ 35 36 /* 37 * We set our buffer size absurdly low to prevent a flood of errors that we 38 * don't care about. 39 */ 40 41 #pragma D option bufsize=16 42 #pragma D option bufpolicy=ring 43 44 fbt::: 45 { 46 n++; 47 trace(*(int *)rand()); 48 } 49 50 dtrace:::ERROR 51 { 52 err++; 53 } 54 55 tick-1sec 56 /sec++ == 10/ 57 { 58 exit(2); 59 } 60 61 END 62 /n == 0 || err == 0/ 63 { 64 exit(1); 65 } 66 67 END 68 /n != 0 && err != 0/ 69 { 70 exit(0); 71 } 72