/*
* 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"
#pragma D option bufsize=1000
#pragma D option bufpolicy=ring
#pragma D option statusrate=10ms
fbt:::
{
on = (timestamp / 1000000000) & 1;
}
fbt:::
/on/
{
@[rw_read_held((krwlock_t *)&`clock)] = count();
@[rw_read_held((krwlock_t *)rand())] = count();
}
fbt:::
/on/
{
@[rw_write_held((krwlock_t *)&`clock)] = count();
@[rw_write_held((krwlock_t *)rand())] = count();
}
fbt:::
/on/
{
@[rw_iswriter((krwlock_t *)&`clock)] = count();
@[rw_iswriter((krwlock_t *)rand())] = count();
}
tick-1sec
/n++ == 20/
{
exit(0);
}