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 * Verify the behavior of variations in specsize. 30 * 31 * SECTION: Speculative Tracing/Options and Tuning; 32 * Options and Tunables/specsize 33 * 34 * BUG: 1001148 35 * 36 * NOTES: This code has four different behaviors. 37 * 1. 0 < specsize < 8 38 * 2. 8 <= specsize <= 39 || 0 == specsize 39 * 3. 40 <= specsize 40 * 4. 0 > specsize 41 * 42 */ 43 44 #pragma D option quiet 45 #pragma D option specsize=10 46 47 BEGIN 48 { 49 self->speculateFlag = 0; 50 self->commitFlag = 0; 51 self->spec = speculation(); 52 printf("Speculative buffer ID: %d\n", self->spec); 53 } 54 55 BEGIN 56 { 57 speculate(self->spec); 58 printf("Lots of data\n"); 59 printf("Has to be crammed into this buffer\n"); 60 printf("Until it overflows\n"); 61 printf("And causes flops\n"); 62 self->speculateFlag++; 63 64 } 65 66 BEGIN 67 /1 <= self->speculateFlag/ 68 { 69 commit(self->spec); 70 self->commitFlag++; 71 } 72 73 BEGIN 74 /1 <= self->commitFlag/ 75 { 76 printf("Statement was executed\n"); 77 exit(0); 78 } 79 80 BEGIN 81 /1 > self->commitFlag/ 82 { 83 printf("Statement wasn't executed\n"); 84 exit(1); 85 } 86