/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * ASSERTION: Test the normal behavior of speculate() and discard(). * * SECTION: Speculative Tracing/Discarding a Speculation; * Options and Tunables/cleanrate * */ #pragma D option quiet #pragma D option cleanrate=2000hz BEGIN { self->var = speculation(); printf("Speculation ID: %d\n", self->var); self->speculate = 0; self->discard = 0; } BEGIN /1 > self->speculate/ { speculate(self->var); self->speculate++; printf("Called speculate on id: %d\n", self->var); } BEGIN /1 <= self->speculate/ { discard(self->var); self->discard++; } BEGIN /(1 == self->discard)/ { printf("Succesfully tested buffer discard\n"); exit(0); } BEGIN /(0 == self->discard)/ { printf("Failed to discard buffer\n"); exit(1); }