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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * ASSERTION: 31 * Aggregating functions may never be speculative. 32 * 33 * SECTION: Speculative Tracing/Using a Speculation 34 * 35 */ 36 #pragma D option quiet 37 38 BEGIN 39 { 40 i = 0; 41 } 42 43 syscall:::entry 44 { 45 self->ts = timestamp; 46 } 47 48 syscall:::return 49 /self->ts/ 50 { 51 var = speculation(); 52 speculate(var); 53 printf("Speculation ID: %d", var); 54 @Lqauntus[execname] = lquantize(timestamp - self->ts, 0, 100, 1); 55 i++; 56 } 57 58 syscall::: 59 /1 == i/ 60 { 61 exit(0); 62 } 63 64 ERROR 65 { 66 exit(0); 67 } 68 69 END 70 { 71 exit(0); 72 } 73