/* * 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. */ /* * Copyright (c) 2012 by Delphix. All rights reserved. */ /* * ASSERTION: * Verify the behavior of variations in bufsize. * * SECTION: Speculative Tracing/Options and Tuning; * Options and Tunables/bufsize * * NOTES: This test behaves differently depending on the values * assigned to bufsize. */ #pragma D option quiet #pragma D option bufsize=49 BEGIN { self->speculateFlag = 0; self->commitFlag = 0; self->spec = speculation(); printf("Speculative buffer ID: %d\n", self->spec); } BEGIN { speculate(self->spec); printf("Lots of data\n"); printf("Has to be crammed into this buffer\n"); printf("Until it overflows\n"); printf("And causes flops\n"); self->speculateFlag++; } BEGIN /1 <= self->speculateFlag/ { commit(self->spec); self->commitFlag++; } BEGIN /1 <= self->commitFlag/ { printf("Statement was executed\n"); exit(0); } BEGIN /1 > self->commitFlag/ { printf("Statement wasn't executed\n"); exit(1); }