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