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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27/* 28 * ASSERTION: 29 * Aggregating actions may never be speculative. 30 * 31 * SECTION: Speculative Tracing/Using a Speculation 32 * 33 */ 34#pragma D option quiet 35 36BEGIN 37{ 38 i = 0; 39} 40 41profile:::tick-1sec 42/i < 1/ 43{ 44 var = speculation(); 45 speculate(var); 46 printf("Speculation ID: %d", var); 47 @sdev["speculate"] = stddev(i); 48 i++; 49} 50 51profile:::tick-1sec 52/1 == i/ 53{ 54 exit(0); 55} 56 57ERROR 58{ 59 exit(0); 60} 61 62END 63{ 64 exit(0); 65} 66