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