usr/src/cmd/dtrace/test/tst/common/aggs/tst.lquantzero.d

   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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #pragma D option quiet
  30
  31
  32 BEGIN
  33 {
  34         a = 7;
  35         b = 13;
  36         val = (-a * b) + a;
  37 }
  38
  39 tick-1ms
  40 {
  41         incr = val % b;
  42         val += a;
  43 }
  44
  45 tick-1ms
  46 /val == 0/
  47 {
  48         val += a;
  49 }
  50
  51 tick-1ms
  52 /incr != 0/
  53 {
  54         i++;
  55         @one[i] = lquantize(0, 10, 20, 1, incr);
  56         @two[i] = lquantize(0, 1, 20, 5, incr);
  57         @three[i] = lquantize(0, 0, 20, 1, incr);
  58         @four[i] = lquantize(0, -10, 10, 1, incr);
  59         @five[i] = lquantize(0, -10, 0, 1, incr);
  60         @six[i] = lquantize(0, -10, -1, 1, incr);
  61         @seven[i] = lquantize(0, -10, -2, 1, incr);
  62 }
  63
  64 tick-1ms
  65 /incr == 0/
  66 {
  67         printf("Zero below the range:\n");
  68         printa(@one);
  69         printf("\n");
  70
  71         printf("Zero just below the range:\n");
  72         printa(@two);
  73         printf("\n");
  74
  75         printf("Zero at the bottom of the range:\n");
  76         printa(@three);
  77         printf("\n");
  78
  79         printf("Zero within the range:\n");
  80         printa(@four);
  81         printf("\n");
  82
  83         printf("Zero at the top of the range:\n");
  84         printa(@five);
  85         printf("\n");
  86
  87         printf("Zero just above the range:\n");
  88         printa(@six);
  89         printf("\n");
  90
  91         printf("Zero above the range:\n");
  92         printa(@seven);
  93         printf("\n");
  94
  95         exit(0);
  96 }