xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/misc/tst.schrock.ksh (revision 6e6545bfaed3bab9ce836ee82d1abd8f2edba89a)
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
27if [ $# != 1 ]; then
28	echo expected one argument: '<'dtrace-path'>'
29	exit 2
30fi
31
32dtrace=$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#
40LD_NOEXEC_64=nono $dtrace -F -s /dev/stdin -c 'nm /bin/ls' stat <<EOF
41
42pid\$target::\$1:entry
43{
44	self->start = vtimestamp;
45}
46
47pid\$target:::entry
48/self->start/
49{
50	trace(vtimestamp - self->start);
51}
52
53pid\$target:::return
54/self->start/
55{
56	trace(vtimestamp - self->start);
57}
58
59pid\$target::\$1:return
60/self->start/
61{
62	self->start = 0;
63	exit(0);
64}
65
66syscall:::
67/self->start/
68{
69	trace(vtimestamp - self->start);
70}
71
72fbt:::
73/self->start/
74{
75	trace(vtimestamp - self->start);
76}
77EOF
78