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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * ASSERTION: Test the normal behavior of speculate() and discard(). 31 * 32 * SECTION: Speculative Tracing/Discarding a Speculation; 33 * Options and Tunables/cleanrate 34 * 35 */ 36 #pragma D option quiet 37 #pragma D option cleanrate=2000hz 38 39 BEGIN 40 { 41 self->var = speculation(); 42 printf("Speculation ID: %d\n", self->var); 43 self->speculate = 0; 44 self->discard = 0; 45 } 46 47 BEGIN 48 /1 > self->speculate/ 49 { 50 speculate(self->var); 51 self->speculate++; 52 printf("Called speculate on id: %d\n", self->var); 53 } 54 55 BEGIN 56 /1 <= self->speculate/ 57 { 58 discard(self->var); 59 self->discard++; 60 } 61 62 BEGIN 63 /(1 == self->discard)/ 64 { 65 printf("Succesfully tested buffer discard\n"); 66 exit(0); 67 } 68 69 BEGIN 70 /(0 == self->discard)/ 71 { 72 printf("Failed to discard buffer\n"); 73 exit(1); 74 } 75