usr/src/cmd/dtrace/test/tst/common/profile-n/tst.umod.ksh

   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 2007 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26
  27 script()
  28 {
  29         $dtrace -qs /dev/stdin <<EOF
  30         profile-1234hz
  31         /arg1 != 0/
  32         {
  33                 @[umod(arg1)] = count();
  34         }
  35
  36         tick-100ms
  37         /i++ == 20/
  38         {
  39                 exit(0);
  40         }
  41 EOF
  42 }
  43
  44 spinny()
  45 {
  46         while true; do
  47                 let i=i+1
  48         done
  49 }
  50
  51 if [ $# != 1 ]; then
  52         echo expected one argument: '<'dtrace-path'>'
  53         exit 2
  54 fi
  55
  56 dtrace=$1
  57
  58 spinny &
  59 child=$!
  60
  61 #
  62 # The only thing we can be sure of here is that ksh is doing some work.
  63 #
  64 script | tee /dev/fd/2 | egrep '(ksh|libshell)' > /dev/null
  65 status=$?
  66
  67 kill $child
  68 exit $status