sh_calls.d revision 272461 
1#!/usr/sbin/dtrace -Zs
2/*
3 * sh_calls.d - count Bourne calls (func/builtin/cmd/subsh) using DTrace.
4 *              Written for the sh DTrace provider.
5 *
6 * $Id: sh_calls.d 52 2007-09-24 04:28:01Z brendan $
7 *
8 * This traces shell activity from all Bourne shells on the system that are
9 * running with sh provider support.
10 *
11 * USAGE: sh_calls.d 	# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *		FILE		Filename of the shell or shellscript
15 *		TYPE		Type of call (func/builtin/cmd/subsh)
16 *		NAME		Name of call
17 *		COUNT		Number of calls during sample
18 *
19 * Filename and function names are printed if available.
20 *
21 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
22 *
23 * CDDL HEADER START
24 *
25 *  The contents of this file are subject to the terms of the
26 *  Common Development and Distribution License, Version 1.0 only
27 *  (the "License").  You may not use this file except in compliance
28 *  with the License.
29 *
30 *  You can obtain a copy of the license at Docs/cddl1.txt
31 *  or http://www.opensolaris.org/os/licensing.
32 *  See the License for the specific language governing permissions
33 *  and limitations under the License.
34 *
35 * CDDL HEADER END
36 *
37 * 09-Sep-2007	Brendan Gregg	Created this.
38 */
39
40#pragma D option quiet
41
42dtrace:::BEGIN
43{
44	printf("Tracing... Hit Ctrl-C to end.\n");
45}
46
47sh*:::function-entry
48{
49	@calls[basename(copyinstr(arg0)), "func", copyinstr(arg1)] = count();
50}
51
52sh*:::builtin-entry
53{
54	@calls[basename(copyinstr(arg0)), "builtin", copyinstr(arg1)] = count();
55}
56
57sh*:::command-entry
58{
59	@calls[basename(copyinstr(arg0)), "cmd", copyinstr(arg1)] = count();
60}
61
62sh*:::subshell-entry
63/arg1 != 0/
64{
65	@calls[basename(copyinstr(arg0)), "subsh", "-"] = count();
66}
67
68dtrace:::END
69{
70	printf(" %-22s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
71	printa(" %-22s %-10s %-32s %@8d\n", @calls);
72}
73