/* * 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 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * ASSERTION: * The number of speculative buffers defaults to one. If no speculative buffer * is available when speculation is called, an ID of zero is returned. * * SECTION: Speculative Tracing/Creating a Speculation * */ #pragma D option quiet BEGIN { i = 0; notused = $1; } syscall::open:entry /i < 2/ { self->spec = speculation(); printf("Speculative buffer ID: %d\n", self->spec); i++; } syscall::: /(2 == i) && (0 == self->spec)/ { printf("i: %d\tself->spec: %d", i, self->spec); exit(0); } syscall::: /(2 == i) && (0 != self->spec)/ { printf("i: %d\tself->spec: %d", i, self->spec); exit(1); } |