xref: /illumos-gate/usr/src/cmd/dtrace/demo/profile/restest.d (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 profile-5000
28 {
29 	/*
30 	 * We divide by 1,000,000 to convert nanoseconds to milliseconds, and
31 	 * then we take the value mod 10 to get the current millisecond within
32 	 * a 10 millisecond window.  On platforms that do not support truly
33 	 * arbitrary resolution profile probes, all of the profile-5000 probes
34 	 * will fire on roughly the same millisecond.  On platforms that
35 	 * support a truly arbitrary resolution, the probe firings will be
36 	 * evenly distributed across the milliseconds.
37 	 */
38 	@ms = lquantize((timestamp / 1000000) % 10, 0, 10, 1);
39 }
40 
41 tick-1sec
42 /i++ >= 10/
43 {
44 	exit(0);
45 }
46