1235368Sgnn#!/usr/sbin/dtrace -Zs
2/*
3 * rb_funccalls.d - count Ruby function (method) calls using DTrace.
4 *                  Written for the Ruby DTrace provider.
5 *
6 * $Id: rb_funccalls.d 20 2007-09-12 09:28:22Z brendan $
7 *
8 * This traces activity from all Ruby programs on the system that are
9 * running with Ruby provider support.
10 *
11 * USAGE: rb_funccalls.d 	# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *		FILE		Filename of the Ruby program
15 *		METHOD		Method name
16 *		COUNT		Number of calls during sample
17 *
18 * Filename and method names are printed if available.
19 *
20 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
21 *
22 * CDDL HEADER START
23 *
24 *  The contents of this file are subject to the terms of the
25 *  Common Development and Distribution License, Version 1.0 only
26 *  (the "License").  You may not use this file except in compliance
27 *  with the License.
28 *
29 *  You can obtain a copy of the license at Docs/cddl1.txt
30 *  or http://www.opensolaris.org/os/licensing.
31 *  See the License for the specific language governing permissions
32 *  and limitations under the License.
33 *
34 * CDDL HEADER END
35 *
36 * 09-Sep-2007	Brendan Gregg	Created this.
37 */
38
39#pragma D option quiet
40
41dtrace:::BEGIN
42{
43        printf("Tracing... Hit Ctrl-C to end.\n");
44}
45
46ruby*:::function-entry
47{
48        @funcs[basename(copyinstr(arg2)), copyinstr(arg0), copyinstr(arg1)] =
49	    count();
50}
51
52dtrace:::END
53{
54        printf(" %-32.32s %-16s %-16s %8s\n", "FILE", "CLASS", "METHOD",
55	    "CALLS");
56        printa(" %-32.32s %-16s %-16s %@8d\n", @funcs);
57}
58