/* * 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. */ /* * ASSERTION: test for assertion failure in the ring buffer code * * SECTION: Buffers and Buffering/ring Policy; Misc */ /* * A script from Roch Bourbonnais that induced an assertion failure in the * ring buffer code. */ #pragma D option strsize=16 #pragma D option bufsize=10K #pragma D option bufpolicy=ring fbt:::entry /(self->done == 0) && (curthread->t_cpu->cpu_intr_actv == 0) / { self->done = 1; printf(" %u 0x%llX %d %d comm:%s csathr:%lld", timestamp, (long long)curthread, pid, tid, execname, (long long)stackdepth); stack(20); } fbt:::return /(self->done == 0) && (curthread->t_cpu->cpu_intr_actv == 0) / { self->done = 1; printf(" %u 0x%llX %d %d comm:%s csathr:%lld", timestamp, (long long) curthread, pid, tid, execname, (long long) stackdepth); stack(20); } fbt:::entry { printf(" %u 0x%llX %d %d ", timestamp, (long long)curthread, pid, tid); } fbt:::return { printf(" %u 0x%llX %d %d tag:%d off:%d ", timestamp, (long long)curthread, pid, tid, (int)arg1, (int)arg0); } mutex_enter:adaptive-acquire { printf(" %u 0x%llX %d %d lock:0x%llX", timestamp, (long long)curthread, pid, tid, arg0); } mutex_exit:adaptive-release { printf(" %u 0x%llX %d %d lock:0x%llX", timestamp, (long long) curthread, pid, tid, arg0); } tick-1sec /n++ == 10/ { exit(0); }