1#!/usr/sbin/dtrace -s
2/*
3 * sigdist.d - signal distribution by process name.
4 *             Written using DTrace (Solaris 10 3/05)
5 *
6 * This is a simple DTrace script that prints the number of signals
7 * recieved by process and signal number. This script is also available
8 * as /usr/demo/dtrace/sig.d, where it originates.
9 *
10 * 20-Apr-2006, ver 1.01
11 *
12 * USAGE: 	sigdist.d	# hit Ctrl-C to end sampling
13 *
14 * FIELDS:
15 *		SENDER		process name of sender
16 *		RECIPIENT	process name of target
17 *		SIG		signal number, see signal(3head)
18 *		COUNT		number of signals sent
19 *
20 * BASED ON: /usr/demo/dtrace/sig.d
21 *
22 * SEE ALSO: DTrace Guide "proc Provider" chapter (docs.sun.com)
23 *           kill.d(1M)
24 *
25 * PORTIONS: Copyright (c) 2005, 2006 Brendan Gregg.
26 *
27 * CDDL HEADER START
28 *
29 *  The contents of this file are subject to the terms of the
30 *  Common Development and Distribution License, Version 1.0 only
31 *  (the "License").  You may not use this file except in compliance
32 *  with the License.
33 *
34 *  You can obtain a copy of the license at Docs/cddl1.txt
35 *  or http://www.opensolaris.org/os/licensing.
36 *  See the License for the specific language governing permissions
37 *  and limitations under the License.
38 *
39 * CDDL HEADER END
40 *
41 * 09-Jun-2005   Brendan Gregg   Created this.
42 */
43
44#pragma D option quiet
45
46dtrace:::BEGIN
47{
48	printf("Tracing... Hit Ctrl-C to end.\n");
49}
50
51proc:::signal-send
52{
53	@Count[execname, stringof(args[1]->pr_fname), args[2]] = count();
54}
55
56dtrace:::END
57{
58	printf("%16s %16s %6s %6s\n", "SENDER", "RECIPIENT", "SIG", "COUNT");
59	printa("%16s %16s %6d %6@d\n", @Count);
60}
61