]> CyberLeo.Net >> Repos - FreeBSD/stable/10.git/blob - cddl/contrib/dtracetoolkit/Perl/pl_calltime.d
Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.
[FreeBSD/stable/10.git] / cddl / contrib / dtracetoolkit / Perl / pl_calltime.d
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
42 dtrace:::BEGIN
43 {
44         printf("Tracing... Hit Ctrl-C to end.\n");
45 }
46
47 perl*:::sub-entry
48 {
49         self->depth++;
50         self->exclude[self->depth] = 0;
51         self->sub[self->depth] = timestamp;
52 }
53
54 perl*:::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
74 dtrace:::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 }