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/*
* 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:
* We set our buffer size absurdly low to prevent a flood of errors that we
* don't care about. We set our statusrate to be infinitely short to cause
* lots of activity by the DTrace process.
*
* SECTION: Actions and Subroutines/copyin();
* Options and Tunables/bufsize;
* Options and Tunables/bufpolicy;
* Options and Tunables/statusrate
*/
#pragma D option bufsize=32
#pragma D option bufpolicy=ring
#pragma D option statusrate=1nsec
syscall:::entry
{
n++;
trace(copyin(rand(), 1));
}
syscall:::entry
{
trace(copyin(rand() | 1, 1));
}
syscall:::entry
{
trace(copyin(NULL, 1));
}
dtrace:::ERROR
{
err++;
}
tick-1sec
/sec++ == 10/
{
exit(2);
}
END
/n == 0 || err == 0/
{
exit(1);
}
END
/n != 0 && err != 0/
{
exit(0);
}
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