usr/src/cmd/dtrace/test/tst/common/misc/tst.schrock.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 2006 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26
  27 if [ $# != 1 ]; then
  28         echo expected one argument: '<'dtrace-path'>'
  29         exit 2
  30 fi
  31
  32 dtrace=$1
  33
  34 #
  35 # Some variants of nm may exec a 64-bit version of themselves. DTrace uses
  36 # libproc (which uses /proc) to find out when the traced process exits, but a
  37 # 32-bit process can't examine a 64-bit one with libproc. The LD_NOEXEC_64
  38 # variable prevents nm from re-execing itself.
  39 #
  40 LD_NOEXEC_64=nono $dtrace -F -s /dev/stdin -c 'nm /bin/ls' stat <<EOF
  41
  42 pid\$target::\$1:entry
  43 {
  44         self->start = vtimestamp;
  45 }
  46
  47 pid\$target:::entry
  48 /self->start/
  49 {
  50         trace(vtimestamp - self->start);
  51 }
  52
  53 pid\$target:::return
  54 /self->start/
  55 {
  56         trace(vtimestamp - self->start);
  57 }
  58
  59 pid\$target::\$1:return
  60 /self->start/
  61 {
  62         self->start = 0;
  63         exit(0);
  64 }
  65
  66 syscall:::
  67 /self->start/
  68 {
  69         trace(vtimestamp - self->start);
  70 }
  71
  72 fbt:::
  73 /self->start/
  74 {
  75         trace(vtimestamp - self->start);
  76 }
  77 EOF