1#!/usr/sbin/dtrace -Zs
2/*
3 * rb_calls.d - count Ruby calls using DTrace.
4 *              Written for the Ruby DTrace provider.
5 *
6 * $Id: rb_calls.d 28 2007-09-13 10:49:37Z 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_calls.d 		# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *		FILE		Filename of the Ruby program
15 *		TYPE		Type of call (method/obj-new/...)
16 *		NAME		Descriptive name of call
17 *		COUNT		Number of calls during sample
18 *
19 * Filename and method 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
47ruby*:::function-entry
48{
49	this->name = strjoin(strjoin(copyinstr(arg0), "::"), copyinstr(arg1));
50        @calls[basename(copyinstr(arg2)), "method", this->name] = count();
51}
52
53ruby*:::object-create-start
54{
55	this->name = copyinstr(arg0);
56	this->filename = basename(copyinstr(arg1));
57	this->filename = this->filename != NULL ? this->filename : ".";
58        @calls[this->filename, "obj-new", this->name] = count();
59}
60
61ruby*:::object-free
62{
63	this->name = copyinstr(arg0);
64        @calls[".", "obj-free", this->name] = count();
65}
66
67ruby*:::gc-begin
68{
69        @calls[".", "gc", "begin"] = count();
70}
71
72ruby*:::raise
73{
74	this->name = copyinstr(arg0);
75        @calls[basename(copyinstr(arg1)), "raise", this->name] = count();
76}
77
78ruby*:::rescue
79{
80        @calls[basename(copyinstr(arg0)), "rescue", "-"] = count();
81}
82
83dtrace:::END
84{
85        printf(" %-24s %-10s %-30s %8s\n", "FILE", "TYPE", "NAME", "CALLS");
86        printa(" %-24s %-10s %-30s %@8d\n", @calls);
87}
88