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 * We set our buffer size absurdly low to prevent a flood of errors that we 32 * don't care about. We set our statusrate to be infinitely short to cause 33 * lots of activity by the DTrace process. 34 * 35 * SECTION: Actions and Subroutines/copyin(); 36 * Options and Tunables/bufsize; 37 * Options and Tunables/bufpolicy; 38 * Options and Tunables/statusrate 39 */ 40 41 42 #pragma D option bufsize=16 43 #pragma D option bufpolicy=ring 44 #pragma D option statusrate=1nsec 45 46 syscall:::entry 47 { 48 n++; 49 trace(copyin(rand(), 1)); 50 } 51 52 syscall:::entry 53 { 54 trace(copyin(rand() | 1, 1)); 55 } 56 57 syscall:::entry 58 { 59 trace(copyin(NULL, 1)); 60 } 61 62 dtrace:::ERROR 63 { 64 err++; 65 } 66 67 tick-1sec 68 /sec++ == 10/ 69 { 70 exit(2); 71 } 72 73 END 74 /n == 0 || err == 0/ 75 { 76 exit(1); 77 } 78 79 END 80 /n != 0 && err != 0/ 81 { 82 exit(0); 83 } 84