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 * Copyright (c) 2012 by Delphix. All rights reserved. 29 */ 30 31 /* 32 * ASSERTION: 33 * Verify the behavior of variations in bufsize. 34 * 35 * SECTION: Speculative Tracing/Options and Tuning; 36 * Options and Tunables/bufsize 37 * 38 * NOTES: This test behaves differently depending on the values 39 * assigned to bufsize. 40 * 1. 0 > bufsize. 41 * 2. 0 == bufsize. 42 * 3. 0 < bufsize <= 7 43 * 4. 8 <= bufsize <= 31 44 * 5. 32 <= bufsize <= 47 45 * 6. 48 <= bufsize <= 71 46 * 7. 72 <= bufsize 47 */ 48 49 #pragma D option quiet 50 #pragma D option bufsize=4 51 52 BEGIN 53 { 54 self->speculateFlag = 0; 55 self->commitFlag = 0; 56 self->spec = speculation(); 57 printf("Speculative buffer ID: %d\n", self->spec); 58 } 59 60 BEGIN 61 { 62 speculate(self->spec); 63 printf("Lots of data\n"); 64 printf("Has to be crammed into this buffer\n"); 65 printf("Until it overflows\n"); 66 printf("And causes flops\n"); 67 self->speculateFlag++; 68 69 } 70 71 BEGIN 72 /1 <= self->speculateFlag/ 73 { 74 commit(self->spec); 75 self->commitFlag++; 76 } 77 78 BEGIN 79 /1 <= self->commitFlag/ 80 { 81 printf("Statement was executed\n"); 82 exit(0); 83 } 84 85 BEGIN 86 /1 > self->commitFlag/ 87 { 88 printf("Statement wasn't executed\n"); 89 exit(1); 90 } 91