1#!/usr/sbin/dtrace -Zs
2/*
3 * pl_calltime.d - measure Perl elapsed times for subroutines.
4 *                 Written for the Perl DTrace provider.
5 *
6 * $Id: pl_calltime.d 41 2007-09-17 02:20:10Z brendan $
7 *
8 * This traces Perl activity from all programs running on the system with
9 * Perl provider support.
10 *
11 * USAGE: pl_calltime.d 	# hit Ctrl-C to end
12 *
13 * FIELDS:
14 *		FILE		Filename of the Perl program
15 *		TYPE		Type of call (sub/total)
16 *		NAME		Name of call
17 *		TOTAL		Total elapsed time for calls (us)
18 *
19 * Filename and subroutine 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
47perl*:::sub-entry
48{
49	self->depth++;
50	self->exclude[self->depth] = 0;
51	self->sub[self->depth] = timestamp;
52}
53
54perl*:::sub-return
55/self->sub[self->depth]/
56{
57	this->elapsed_incl = timestamp - self->sub[self->depth];
58	this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth];
59	self->sub[self->depth] = 0;
60	self->exclude[self->depth] = 0;
61	this->file = basename(copyinstr(arg1));
62	this->name = copyinstr(arg0);
63
64	@num[this->file, "sub", this->name] = count();
65	@num["-", "total", "-"] = count();
66	@types_incl[this->file, "sub", this->name] = sum(this->elapsed_incl);
67	@types_excl[this->file, "sub", this->name] = sum(this->elapsed_excl);
68	@types_excl["-", "total", "-"] = sum(this->elapsed_excl);
69
70	self->depth--;
71	self->exclude[self->depth] += this->elapsed_incl;
72}
73
74dtrace:::END
75{
76	printf("\nCount,\n");
77	printf("   %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT");
78	printa("   %-20s %-10s %-32s %@8d\n", @num);
79
80	normalize(@types_excl, 1000);
81	printf("\nExclusive subroutine elapsed times (us),\n");
82	printf("   %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
83	printa("   %-20s %-10s %-32s %@8d\n", @types_excl);
84
85	normalize(@types_incl, 1000);
86	printf("\nInclusive subroutine elapsed times (us),\n");
87	printf("   %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL");
88	printa("   %-20s %-10s %-32s %@8d\n", @types_incl);
89}
90