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