1#!/usr/sbin/dtrace -Zs
2/*
3 * pl_subcalls.d - measure Perl subroutine calls using DTrace.
4 *                 Written for the Perl DTrace provider.
5 *
6 * $Id: pl_subcalls.d 25 2007-09-12 09:51:58Z brendan $
7 *
8 * This traces Perl activity from all running programs on the system
9 * which support the Perl DTrace provider.
10 *
11 * USAGE: pl_subcalls.d 		# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *              FILE		Filename that contained the subroutine
15 *		SUB		Perl subroutine name
16 *		CALLS		Subroutine calls during this sample
17 *
18 * Filename and subroutine 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
46perl*:::sub-entry
47{
48	@subs[basename(copyinstr(arg1)), copyinstr(arg0)] = count();
49}
50
51dtrace:::END
52{
53	printf(" %-32s %-32s %8s\n", "FILE", "SUB", "CALLS");
54	printa(" %-32s %-32s %@8d\n", @subs);
55}
56