xref: /titanic_41/usr/src/cmd/dtrace/demo/agg/normalize.d (revision 9e86db79b7d1bbc5f2f04e99954cbd5eae0e22bb)
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 #pragma D option quiet
28 
29 BEGIN
30 {
31 	/*
32 	 * Get the start time, in nanoseconds.
33 	 */
34 	start = timestamp;
35 }
36 
37 syscall:::entry
38 {
39 	@func[execname] = count();
40 }
41 
42 END
43 {
44 	/*
45 	 * Normalize the aggregation based on the number of seconds we have
46 	 * been running.  (There are 1,000,000,000 nanoseconds in one second.)
47 	 */
48 	normalize(@func, (timestamp - start) / 1000000000);
49 }
50