xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/aggs/tst.clearavg2.d (revision 73b80b82)

/*
 * 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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * ASSERTION:
 * 	Positive avg() test
 *
 * SECTION: Aggregations/Aggregations
 *
 * NOTES:
 *	Verifies that printing a clear()'d aggregation with an avg()
 *	aggregation function of 0 doesn't cause divide-by-zero problems.
 *
 */

#pragma D option quiet
#pragma D option switchrate=50ms
#pragma D option aggrate=1ms

tick-100ms
/(x++ % 5) == 0/
{
	@time = avg(0);
}

tick-100ms
/x > 5 && x <= 20/
{
	printa(" %@d\n", @time);
	clear(@time);
}

tick-100ms
/x > 20/
{
	exit(0);
}