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 * Verify the behavior of variations in specsize. 32 * 33 * SECTION: Speculative Tracing/Options and Tuning; 34 * Options and Tunables/specsize 35 * 36 * BUG: 1001148 37 * 38 * NOTES: This code has four different behaviors. 39 * 1. 0 < specsize < 8 40 * 2. 8 <= specsize <= 39 || 0 == specsize 41 * 3. 40 <= specsize 42 * 4. 0 > specsize 43 * 44 */ 45 46 #pragma D option quiet 47 #pragma D option specsize=10 48 49 BEGIN 50 { 51 self->speculateFlag = 0; 52 self->commitFlag = 0; 53 self->spec = speculation(); 54 printf("Speculative buffer ID: %d\n", self->spec); 55 } 56 57 BEGIN 58 { 59 speculate(self->spec); 60 printf("Lots of data\n"); 61 printf("Has to be crammed into this buffer\n"); 62 printf("Until it overflows\n"); 63 printf("And causes flops\n"); 64 self->speculateFlag++; 65 66 } 67 68 BEGIN 69 /1 <= self->speculateFlag/ 70 { 71 commit(self->spec); 72 self->commitFlag++; 73 } 74 75 BEGIN 76 /1 <= self->commitFlag/ 77 { 78 printf("Statement was executed\n"); 79 exit(0); 80 } 81 82 BEGIN 83 /1 > self->commitFlag/ 84 { 85 printf("Statement wasn't executed\n"); 86 exit(1); 87 } 88