Profile of Config.pm

Filename	/usr/lib/perl/5.14/Config.pm
Statements	Executed 51 statements in 474µs

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
10	8	2	15µs	15µs	Config::::FETCHConfig::FETCH
2	2	2	14µs	14µs	Config::::importConfig::import
1	1	1	10µs	13µs	Config::::BEGIN@9Config::BEGIN@9
1	1	1	5µs	12µs	Config::::BEGIN@45Config::BEGIN@45
1	1	1	5µs	8µs	Config::::BEGIN@10Config::BEGIN@10
1	1	1	4µs	15µs	Config::::BEGIN@11Config::BEGIN@11
1	1	1	4µs	4µs	Config::::TIEHASHConfig::TIEHASH
0	0	0	0s	0s	Config::::AUTOLOADConfig::AUTOLOAD
0	0	0	0s	0s	Config::::DESTROYConfig::DESTROY

Call graph for these subroutines as a Graphviz dot language file.

Line	State ments	Time on line	Calls	Time in subs	Code
1					# This file was created by configpm when Perl was built. Any changes
2					# made to this file will be lost the next time perl is built.
3
4					# for a description of the variables, please have a look at the
5					# Glossary file, as written in the Porting folder, or use the url:
6					# http://perl5.git.perl.org/perl.git/blob/HEAD:/Porting/Glossary
7
8					package Config;
9	2	17µs	2	15µs	# spent 13µs (10+2) within Config::BEGIN@9 which was called: # once (10µs+2µs) by DynaLoader::BEGIN@21 at line 9 use strict; # spent 13µs making 1 call to Config::BEGIN@9 # spent 2µs making 1 call to strict::import
10	2	16µs	2	12µs	# spent 8µs (5+4) within Config::BEGIN@10 which was called: # once (5µs+4µs) by DynaLoader::BEGIN@21 at line 10 use warnings; # spent 8µs making 1 call to Config::BEGIN@10 # spent 4µs making 1 call to warnings::import
11	2	106µs	2	27µs	# spent 15µs (4+11) within Config::BEGIN@11 which was called: # once (4µs+11µs) by DynaLoader::BEGIN@21 at line 11 use vars '%Config'; # spent 15µs making 1 call to Config::BEGIN@11 # spent 11µs making 1 call to vars::import
12
13					# Skip @Config::EXPORT because it only contains %Config, which we special
14					# case below as it's not a function. @Config::EXPORT won't change in the
15					# lifetime of Perl 5.
16	1	3µs			my %Export_Cache = (myconfig => 1, config_sh => 1, config_vars => 1,
17					config_re => 1, compile_date => 1, local_patches => 1,
18					bincompat_options => 1, non_bincompat_options => 1,
19					header_files => 1);
20
21	1	500ns			@Config::EXPORT = qw(%Config);
22	1	2µs			@Config::EXPORT_OK = keys %Export_Cache;
23
24					# Need to stub all the functions to make code such as print Config::config_sh
25					# keep working
26
27					sub bincompat_options;
28					sub compile_date;
29					sub config_re;
30					sub config_sh;
31					sub config_vars;
32					sub header_files;
33					sub local_patches;
34					sub myconfig;
35					sub non_bincompat_options;
36
37					# Define our own import method to avoid pulling in the full Exporter:
38					# spent 14µs within Config::import which was called 2 times, avg 7µs/call: # once (7µs+0s) by DynaLoader::BEGIN@21 at line 21 of DynaLoader.pm # once (6µs+0s) by lib::BEGIN@6 at line 6 of lib.pm sub import {
39	16	17µs			shift;
40					@_ = @Config::EXPORT unless @_;
41
42					my @funcs = grep $_ ne '%Config', @_;
43					my $export_Config = @funcs < @_ ? 1 : 0;
44
45	2	240µs	2	19µs	# spent 12µs (5+7) within Config::BEGIN@45 which was called: # once (5µs+7µs) by DynaLoader::BEGIN@21 at line 45 no strict 'refs'; # spent 12µs making 1 call to Config::BEGIN@45 # spent 7µs making 1 call to strict::unimport
46					my $callpkg = caller(0);
47					foreach my $func (@funcs) {
48					die qq{"$func" is not exported by the Config module\n}
49					unless $Export_Cache{$func};
50					*{$callpkg.'::'.$func} = \&{$func};
51					}
52
53					*{"$callpkg\::Config"} = \%Config if $export_Config;
54					return;
55					}
56
57	1	10µs	1	4µs	die "Perl lib version (5.14.2) doesn't match executable '$0' version ($])" # spent 4µs making 1 call to version::(bool
58					unless $^V;
59
60	1	8µs	1	4µs	$^V eq 5.14.2 # spent 4µs making 1 call to version::(cmp
61					or die "Perl lib version (5.14.2) doesn't match executable '$0' version (" .
62					sprintf("v%vd",$^V) . ")";
63
64					# spent 15µs within Config::FETCH which was called 10 times, avg 2µs/call: # 3 times (5µs+0s) by parent::import at line 39 of DynaLoader.pm, avg 2µs/call # once (2µs+0s) by NewBoard::BEGIN@23 at line 10 of lib.pm # once (1µs+0s) by NewBoard::BEGIN@23 at line 12 of lib.pm # once (1µs+0s) by parent::import at line 58 of DynaLoader.pm # once (1µs+0s) by NewBoard::BEGIN@23 at line 11 of lib.pm # once (1µs+0s) by parent::import at line 60 of DynaLoader.pm # once (1µs+0s) by parent::import at line 62 of DynaLoader.pm # once (1µs+0s) by parent::import at line 61 of DynaLoader.pm sub FETCH {
65	20	27µs			my($self, $key) = @_;
66
67					# check for cached value (which may be undef so we use exists not defined)
68					return exists $self->{$key} ? $self->{$key} : $self->fetch_string($key);
69					}
70
71					# spent 4µs within Config::TIEHASH which was called: # once (4µs+0s) by DynaLoader::BEGIN@21 at line 84 sub TIEHASH {
72	1	5µs			bless $_[1], $_[0];
73					}
74
75					sub DESTROY { }
76
77					sub AUTOLOAD {
78					require 'Config_heavy.pl';
79					goto \&launcher unless $Config::AUTOLOAD =~ /launcher$/;
80					die "&Config::AUTOLOAD failed on $Config::AUTOLOAD";
81					}
82
83					# tie returns the object, so the value returned to require will be true.
84	1	23µs	1	4µs	tie %Config, 'Config', { # spent 4µs making 1 call to Config::TIEHASH
85					archlibexp => '/usr/lib/perl/5.14',
86					archname => 'x86_64-linux-gnu-thread-multi',
87					cc => 'cc',
88					d_readlink => 'define',
89					d_symlink => 'define',
90					dlext => 'so',
91					dlsrc => 'dl_dlopen.xs',
92					dont_use_nlink => undef,
93					exe_ext => '',
94					inc_version_list => '',
95					intsize => '4',
96					ldlibpthname => 'LD_LIBRARY_PATH',
97					libpth => '/usr/local/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /usr/lib',
98					osname => 'linux',
99					osvers => '2.6.42-37-generic',
100					path_sep => ':',
101					privlibexp => '/usr/share/perl/5.14',
102					scriptdir => '/usr/bin',
103					sitearchexp => '/usr/local/lib/perl/5.14.2',
104					sitelibexp => '/usr/local/share/perl/5.14.2',
105					so => 'so',
106					useithreads => 'define',
107					usevendorprefix => 'define',
108					version => '5.14.2',
109					};