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 speculations with changes in specsize. 34 * 35 * SECTION: Speculative Tracing/Options and Tuning; 36 * Options and Tunables/specsize 37 * 38 */ 39 40 #pragma D option quiet 41 #pragma D option specsize=48 42 43 BEGIN 44 { 45 self->speculateFlag = 0; 46 self->commitFlag = 0; 47 self->spec = speculation(); 48 printf("Speculative buffer ID: %d\n", self->spec); 49 } 50 51 BEGIN 52 { 53 speculate(self->spec); 54 printf("Lots of data\n"); 55 printf("Has to be crammed into this buffer\n"); 56 printf("Until it overflows\n"); 57 printf("And causes flops\n"); 58 self->speculateFlag++; 59 60 } 61 62 BEGIN 63 /1 <= self->speculateFlag/ 64 { 65 commit(self->spec); 66 self->commitFlag++; 67 } 68 69 BEGIN 70 /1 <= self->commitFlag/ 71 { 72 printf("Statement was executed\n"); 73 exit(0); 74 } 75 76 BEGIN 77 /1 > self->commitFlag/ 78 { 79 printf("Statement wasn't executed\n"); 80 exit(1); 81 } 82