usr/src/cmd/dtrace/test/tst/common/aggs/tst.quantmany.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 int64_t val, shift;
  32
  33 tick-1ms
  34 /val == 0/
  35 {
  36         val = -(1 << shift);
  37         shift++;
  38 }
  39
  40 tick-1ms
  41 /shift == 32/
  42 {
  43         exit(0);
  44 }
  45
  46 tick-1ms
  47 /val == -1/
  48 {
  49         val = (1 << shift);
  50 }
  51
  52 tick-1ms
  53 {
  54         @[shift] = quantize(val, val);
  55         val >>= 1;
  56 }