xref: /freebsd/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/aggs/tst.stddev.normalize.d (revision 686fb94a00297bf9ff49d93b948925552a2ce8e0)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2017 Panzura.  All rights reserved.
14  */
15 
16 /*
17  * ASSERTION:
18  *   Positive test for normalization() of stddev()
19  *
20  * SECTION: Aggregations/Normalization
21  *
22  */
23 
24 #pragma D option quiet
25 #pragma D option aggrate=1ms
26 #pragma D option switchrate=50ms
27 
28 BEGIN
29 {
30 	i = 0;
31 }
32 
33 tick-100ms
34 /i < 11/
35 {
36 	@ = stddev(i * 100);
37 	i++;
38 }
39 
40 tick-100ms
41 /i == 11/
42 {
43 	printf("normalized data:\n");
44 	normalize(@, 10);
45 	exit(0);
46 }
47