1235368Sgnn#!/usr/sbin/dtrace -Zs
2235368Sgnn/*
3235368Sgnn * rb_who.d - trace Ruby line execution by process using DTrace.
4235368Sgnn *            Written for the Ruby DTrace provider.
5235368Sgnn *
6235368Sgnn * $Id: rb_who.d 49 2007-09-17 12:03:20Z brendan $
7235368Sgnn *
8235368Sgnn * This traces Ruby activity from all Ruby programs on the system that are
9235368Sgnn * running with Ruby provider support.
10235368Sgnn *
11235368Sgnn * USAGE: rb_who.d 		# hit Ctrl-C to end
12235368Sgnn *
13235368Sgnn * FIELDS:
14235368Sgnn *		PID		Process ID of Ruby
15235368Sgnn *		UID		User ID of the owner
16235368Sgnn *		LINES		Number of times a line was executed
17235368Sgnn *		FILE		Pathname of the Ruby program
18235368Sgnn *
19235368Sgnn * Filenames are printed if available.
20235368Sgnn *
21235368Sgnn * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
22235368Sgnn *
23235368Sgnn * CDDL HEADER START
24235368Sgnn *
25235368Sgnn *  The contents of this file are subject to the terms of the
26235368Sgnn *  Common Development and Distribution License, Version 1.0 only
27235368Sgnn *  (the "License").  You may not use this file except in compliance
28235368Sgnn *  with the License.
29235368Sgnn *
30235368Sgnn *  You can obtain a copy of the license at Docs/cddl1.txt
31235368Sgnn *  or http://www.opensolaris.org/os/licensing.
32235368Sgnn *  See the License for the specific language governing permissions
33235368Sgnn *  and limitations under the License.
34235368Sgnn *
35235368Sgnn * CDDL HEADER END
36235368Sgnn *
37235368Sgnn * 09-Sep-2007	Brendan Gregg	Created this.
38235368Sgnn */
39235368Sgnn
40235368Sgnn#pragma D option quiet
41235368Sgnn
42235368Sgnndtrace:::BEGIN
43235368Sgnn{
44235368Sgnn	printf("Tracing... Hit Ctrl-C to end.\n");
45235368Sgnn}
46235368Sgnn
47235368Sgnnruby*:::line
48235368Sgnn{
49235368Sgnn	@lines[pid, uid, copyinstr(arg0)] = count();
50235368Sgnn}
51235368Sgnn
52235368Sgnndtrace:::END
53235368Sgnn{
54235368Sgnn	printf("   %6s %6s %10s %s\n", "PID", "UID", "LINES", "FILE");
55235368Sgnn	printa("   %6d %6d %@10d %s\n", @lines);
56235368Sgnn}
57