Profile of Config.pm

Filename	/usr/lib/x86_64-linux-gnu/perl/5.20/Config.pm
Statements	Executed 86 statements in 1.44ms

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	2.95ms	3.04ms	Config::::AUTOLOADConfig::AUTOLOAD
22	9	5	68µs	3.15ms	Config::::FETCHConfig::FETCH
3	3	3	34µs	34µs	Config::::importConfig::import
2	2	2	22µs	22µs	Config::::CORE:matchConfig::CORE:match (opcode)
2	1	1	17µs	17µs	Config::::CORE:substcontConfig::CORE:substcont (opcode)
1	1	1	16µs	32µs	Config::::BEGIN@9Config::BEGIN@9
1	1	1	9µs	15µs	Config::::BEGIN@10Config::BEGIN@10
1	1	1	8µs	8µs	Config::::CORE:regcompConfig::CORE:regcomp (opcode)
1	1	1	8µs	20µs	Config::::BEGIN@47Config::BEGIN@47
1	1	1	7µs	42µs	Config::::BEGIN@11Config::BEGIN@11
1	1	1	5µs	5µs	Config::::CORE:substConfig::CORE:subst (opcode)
1	1	1	3µs	3µs	Config::::CORE:unpackConfig::CORE:unpack (opcode)
1	1	1	3µs	3µs	Config::::CORE:packConfig::CORE:pack (opcode)
1	1	1	2µs	2µs	Config::::TIEHASHConfig::TIEHASH
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	37µs	2	49µs	# spent 32µs (16+17) within Config::BEGIN@9 which was called: # once (16µs+17µs) by DynaLoader::BEGIN@21 at line 9 use strict; # spent 32µs making 1 call to Config::BEGIN@9 # spent 17µs making 1 call to strict::import
10	2	37µs	2	22µs	# spent 15µs (9+6) within Config::BEGIN@10 which was called: # once (9µs+6µs) by DynaLoader::BEGIN@21 at line 10 use warnings; # spent 15µs making 1 call to Config::BEGIN@10 # spent 6µs making 1 call to warnings::import
11	2	194µs	2	77µs	# spent 42µs (7+35) within Config::BEGIN@11 which was called: # once (7µs+35µs) by DynaLoader::BEGIN@21 at line 11 use vars '%Config', '$VERSION'; # spent 42µs making 1 call to Config::BEGIN@11 # spent 35µs making 1 call to vars::import
12
13	1	600ns			$VERSION = "5.020001";
14
15					# Skip @Config::EXPORT because it only contains %Config, which we special
16					# case below as it's not a function. @Config::EXPORT won't change in the
17					# lifetime of Perl 5.
18	1	4µs			my %Export_Cache = (myconfig => 1, config_sh => 1, config_vars => 1,
19					config_re => 1, compile_date => 1, local_patches => 1,
20					bincompat_options => 1, non_bincompat_options => 1,
21					header_files => 1);
22
23	1	900ns			@Config::EXPORT = qw(%Config);
24	1	3µs			@Config::EXPORT_OK = keys %Export_Cache;
25
26					# Need to stub all the functions to make code such as print Config::config_sh
27					# keep working
28
29					sub bincompat_options;
30					sub compile_date;
31					sub config_re;
32					sub config_sh;
33					sub config_vars;
34					sub header_files;
35					sub local_patches;
36					sub myconfig;
37					sub non_bincompat_options;
38
39					# Define our own import method to avoid pulling in the full Exporter:
40					# spent 34µs within Config::import which was called 3 times, avg 11µs/call: # once (12µs+0s) by DynaLoader::BEGIN@21 at line 21 of DynaLoader.pm # once (11µs+0s) by Time::Local::BEGIN@5 at line 5 of Time/Local.pm # once (10µs+0s) by Memoize::BEGIN@28 at line 28 of Memoize.pm sub import {
41	3	800ns			shift;
42	3	5µs			@_ = @Config::EXPORT unless @_;
43
44	3	5µs			my @funcs = grep $_ ne '%Config', @_;
45	3	3µs			my $export_Config = @funcs < @_ ? 1 : 0;
46
47	2	415µs	2	32µs	# spent 20µs (8+12) within Config::BEGIN@47 which was called: # once (8µs+12µs) by DynaLoader::BEGIN@21 at line 47 no strict 'refs'; # spent 20µs making 1 call to Config::BEGIN@47 # spent 12µs making 1 call to strict::unimport
48	3	2µs			my $callpkg = caller(0);
49	3	3µs			foreach my $func (@funcs) {
50					die qq{"$func" is not exported by the Config module\n}
51					unless $Export_Cache{$func};
52					*{$callpkg.'::'.$func} = \&{$func};
53					}
54
55	3	10µs			*{"$callpkg\::Config"} = \%Config if $export_Config;
56	3	13µs			return;
57					}
58
59	1	40µs	1	6µs	die "$0: Perl lib version (5.20.1) doesn't match executable '$^X' version ($])" # spent 6µs making 1 call to version::(bool
60					unless $^V;
61
62	1	12µs	1	5µs	$^V eq 5.20.1 # spent 5µs making 1 call to version::(cmp
63					or die sprintf "%s: Perl lib version (5.20.1) doesn't match executable '$^X' version (%vd)", $0, $^V;
64
65					# spent 3.15ms (68µs+3.09) within Config::FETCH which was called 22 times, avg 143µs/call: # 12 times (29µs+0s) by deprecate::__loaded_from_core at line 35 of deprecate.pm, avg 2µs/call # 3 times (8µs+0s) by DBI::BEGIN@170 at line 40 of DynaLoader.pm, avg 3µs/call # once (16µs+3.09ms) by Memoize::memoize at line 71 of Memoize.pm # once (4µs+0s) by Module::Metadata::BEGIN@29 at line 226 of Cwd.pm # once (3µs+0s) by DBI::BEGIN@170 at line 59 of DynaLoader.pm # once (2µs+0s) by Module::Metadata::BEGIN@29 at line 1117 of File/Find.pm # once (2µs+0s) by DBI::BEGIN@170 at line 61 of DynaLoader.pm # once (2µs+0s) by DBI::BEGIN@170 at line 63 of DynaLoader.pm # once (2µs+0s) by DBI::BEGIN@170 at line 62 of DynaLoader.pm sub FETCH {
66	22	9µs			my($self, $key) = @_;
67
68					# check for cached value (which may be undef so we use exists not defined)
69	22	85µs	1	3.04ms	return exists $self->{$key} ? $self->{$key} : $self->fetch_string($key); # spent 3.04ms making 1 call to Config::AUTOLOAD
70					}
71
72					# spent 2µs within Config::TIEHASH which was called: # once (2µs+0s) by DynaLoader::BEGIN@21 at line 85 sub TIEHASH {
73	1	4µs			bless $_[1], $_[0];
74					}
75
76					sub DESTROY { }
77
78					# spent 3.04ms (2.95+89µs) within Config::AUTOLOAD which was called: # once (2.95ms+89µs) by Config::FETCH at line 69 sub AUTOLOAD {
79	1	521µs			require 'Config_heavy.pl';
80	1	10µs	2	7µs	goto \&launcher unless $Config::AUTOLOAD =~ /launcher$/; # spent 6µs making 1 call to Config::launcher # spent 1µs making 1 call to Config::CORE:match
81					die "&Config::AUTOLOAD failed on $Config::AUTOLOAD";
82					}
83
84					# tie returns the object, so the value returned to require will be true.
85	1	28µs	1	2µs	tie %Config, 'Config', { # spent 2µs making 1 call to Config::TIEHASH
86					archlibexp => '/usr/lib/x86_64-linux-gnu/perl/5.20',
87					archname => 'x86_64-linux-gnu-thread-multi',
88					cc => 'cc',
89					d_readlink => 'define',
90					d_symlink => 'define',
91					dlext => 'so',
92					dlsrc => 'dl_dlopen.xs',
93					dont_use_nlink => undef,
94					exe_ext => '',
95					inc_version_list => '5.20.0',
96					intsize => '4',
97					ldlibpthname => 'LD_LIBRARY_PATH',
98					libpth => '/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/4.9/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib',
99					osname => 'linux',
100					osvers => '3.2.0-4-amd64',
101					path_sep => ':',
102					privlibexp => '/usr/share/perl/5.20',
103					scriptdir => '/usr/bin',
104					sitearchexp => '/usr/local/lib/x86_64-linux-gnu/perl/5.20.1',
105					sitelibexp => '/usr/local/share/perl/5.20.1',
106					so => 'so',
107					useithreads => 'define',
108					usevendorprefix => 'define',
109					version => '5.20.1',
110					};

					# spent 22µs within Config::CORE:match which was called 2 times, avg 11µs/call: # once (21µs+0s) by Config::fetch_string at line 1315 of Config_heavy.pl # once (1µs+0s) by Config::AUTOLOAD at line 80 sub Config::CORE:match; # opcode
					# spent 3µs within Config::CORE:pack which was called: # once (3µs+0s) by Config::AUTOLOAD at line 1293 of Config_heavy.pl sub Config::CORE:pack; # opcode
					# spent 8µs within Config::CORE:regcomp which was called: # once (8µs+0s) by Config::fetch_string at line 1315 of Config_heavy.pl sub Config::CORE:regcomp; # opcode
					# spent 5µs within Config::CORE:subst which was called: # once (5µs+0s) by Config::AUTOLOAD at line 1294 of Config_heavy.pl sub Config::CORE:subst; # opcode
					# spent 17µs within Config::CORE:substcont which was called 2 times, avg 8µs/call: # 2 times (17µs+0s) by Config::AUTOLOAD at line 1294 of Config_heavy.pl, avg 8µs/call sub Config::CORE:substcont; # opcode
					# spent 3µs within Config::CORE:unpack which was called: # once (3µs+0s) by Config::AUTOLOAD at line 1293 of Config_heavy.pl sub Config::CORE:unpack; # opcode