usr/src/cmd/dtrace/test/tst/common/aggs/tst.stddev.normalize.d

   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 }