rb_funccalls.d revision 235380 
1178476Sjb#!/usr/sbin/dtrace -Zs
2178476Sjb/*
3178476Sjb * rb_funccalls.d - count Ruby function (method) calls using DTrace.
4178476Sjb *                  Written for the Ruby DTrace provider.
5178476Sjb *
6178476Sjb * $Id: rb_funccalls.d 20 2007-09-12 09:28:22Z brendan $
7178476Sjb *
8178476Sjb * This traces activity from all Ruby programs on the system that are
9178476Sjb * running with Ruby provider support.
10178476Sjb *
11178476Sjb * USAGE: rb_funccalls.d 	# hit Ctrl-C to end
12178476Sjb *
13178476Sjb * FIELDS:
14178476Sjb *		FILE		Filename of the Ruby program
15178476Sjb *		METHOD		Method name
16178476Sjb *		COUNT		Number of calls during sample
17178476Sjb *
18178476Sjb * Filename and method names are printed if available.
19178476Sjb *
20178476Sjb * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
21178476Sjb *
22178476Sjb * CDDL HEADER START
23178476Sjb *
24178476Sjb *  The contents of this file are subject to the terms of the
25178476Sjb *  Common Development and Distribution License, Version 1.0 only
26178476Sjb *  (the "License").  You may not use this file except in compliance
27178476Sjb *  with the License.
28178476Sjb *
29178476Sjb *  You can obtain a copy of the license at Docs/cddl1.txt
30178476Sjb *  or http://www.opensolaris.org/os/licensing.
31178476Sjb *  See the License for the specific language governing permissions
32178476Sjb *  and limitations under the License.
33178476Sjb *
34178476Sjb * CDDL HEADER END
35178476Sjb *
36178476Sjb * 09-Sep-2007	Brendan Gregg	Created this.
37178476Sjb */
38178476Sjb
39178476Sjb#pragma D option quiet
40178476Sjb
41178476Sjbdtrace:::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