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 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * ASSERTION: 29 * Data recording actions may follow discard. 30 * 31 * SECTION: Speculative Tracing/Discarding a Speculation; 32 * Options and Tunables/cleanrate 33 */ 34 #pragma D option quiet 35 #pragma D option cleanrate=2000hz 36 37 BEGIN 38 { 39 self->speculateFlag = 0; 40 self->discardFlag = 0; 41 self->spec = speculation(); 42 } 43 44 BEGIN 45 /self->spec/ 46 { 47 speculate(self->spec); 48 printf("Called speculate with id: %d\n", self->spec); 49 self->speculateFlag++; 50 } 51 52 BEGIN 53 /(self->spec) && (self->speculateFlag)/ 54 { 55 discard(self->spec); 56 self->discardFlag++; 57 printf("Data recording after discard\n"); 58 } 59 60 BEGIN 61 /self->discardFlag/ 62 { 63 exit(0); 64 } 65 66 BEGIN 67 /!self->discardFlag/ 68 { 69 exit(1); 70 } 71 72 ERROR 73 { 74 exit(1); 75 } 76