Profile of Config.pm

Filename	/usr/lib/x86_64-linux-gnu/perl/5.28/Config.pm
Statements	Executed 104 statements in 1.08ms

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	2.39ms	2.49ms	Config::::AUTOLOADConfig::AUTOLOAD
24	11	5	140µs	2.67ms	Config::::FETCHConfig::FETCH
5	5	5	65µs	65µs	Config::::importConfig::import
2	1	1	25µs	25µs	Config::::CORE:substcontConfig::CORE:substcont (opcode)
1	1	1	12µs	15µs	Config::::BEGIN@9Config::BEGIN@9
2	2	2	11µs	11µs	Config::::CORE:matchConfig::CORE:match (opcode)
1	1	1	9µs	9µs	Config::::CORE:regcompConfig::CORE:regcomp (opcode)
1	1	1	8µs	8µs	Config::::CORE:substConfig::CORE:subst (opcode)
1	1	1	7µs	18µs	Config::::BEGIN@47Config::BEGIN@47
1	1	1	5µs	5µs	Config::::CORE:packConfig::CORE:pack (opcode)
1	1	1	4µs	20µs	Config::::BEGIN@10Config::BEGIN@10
1	1	1	3µs	3µs	Config::::CORE:unpackConfig::CORE:unpack (opcode)
1	1	1	1µs	1µs	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	20µs	2	17µs	# spent 15µs (12+3) within Config::BEGIN@9 which was called: # once (12µs+3µs) by lib::BEGIN@6 at line 9 use strict; # spent 15µs making 1 call to Config::BEGIN@9 # spent 3µs making 1 call to strict::import
10	2	137µs	2	36µs	# spent 20µs (4+16) within Config::BEGIN@10 which was called: # once (4µs+16µs) by lib::BEGIN@6 at line 10 use warnings; # spent 20µs making 1 call to Config::BEGIN@10 # spent 16µs making 1 call to warnings::import
11					our ( %Config, $VERSION );
12
13	1	300ns			$VERSION = "5.028001";
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	3µs			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	500ns			@Config::EXPORT = qw(%Config);
24	1	2µs			@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 65µs within Config::import which was called 5 times, avg 13µs/call: # once (19µs+0s) by DynaLoader::BEGIN@21 at line 21 of DynaLoader.pm # once (15µs+0s) by locale::BEGIN@4 at line 4 of locale.pm # once (15µs+0s) by File::Copy::BEGIN@14 at line 14 of File/Copy.pm # once (9µs+0s) by Path::Tiny::BEGIN@11 at line 11 of Path/Tiny.pm # once (8µs+0s) by lib::BEGIN@6 at line 6 of lib.pm sub import {
41	5	1µs			shift;
42	5	10µs			@_ = @Config::EXPORT unless @_;
43
44	5	9µs			my @funcs = grep $_ ne '%Config', @_;
45	5	5µs			my $export_Config = @funcs < @_ ? 1 : 0;
46
47	2	338µs	2	29µs	# spent 18µs (7+11) within Config::BEGIN@47 which was called: # once (7µs+11µs) by lib::BEGIN@6 at line 47 no strict 'refs'; # spent 18µs making 1 call to Config::BEGIN@47 # spent 11µs making 1 call to strict::unimport
48	5	4µs			my $callpkg = caller(0);
49	5	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} = \&{$func};
53					}
54
55	5	21µs			*{"$callpkg\::Config"} = \%Config if $export_Config;
56	5	25µs			return;
57					}
58
59	1	31µs	1	4µs	die "$0: Perl lib version (5.28.1) doesn't match executable '$^X' version ($])" # spent 4µs making 1 call to version::(bool
60					unless $^V;
61
62	1	8µs	1	3µs	$^V eq 5.28.1 # spent 3µs making 1 call to version::(cmp
63					or die sprintf "%s: Perl lib version (5.28.1) doesn't match executable '$^X' version (%vd)", $0, $^V;
64
65					# spent 2.67ms (140µs+2.53) within Config::FETCH which was called 24 times, avg 111µs/call: # 12 times (56µs+0s) by File::Copy::copy at line 102 of File/Copy.pm, avg 5µs/call # 3 times (8µs+0s) by RBM::BEGIN@22 at line 40 of DynaLoader.pm, avg 3µs/call # once (18µs+2.53ms) by RBM::BEGIN@5 at line 65 of Path/Tiny.pm # once (48µs+0s) by File::Spec::Unix::BEGIN@4 at line 214 of Cwd.pm # once (3µs+0s) by main::BEGIN@5 at line 10 of lib.pm # once (1µs+0s) by main::BEGIN@5 at line 12 of lib.pm # once (1µs+0s) by RBM::BEGIN@22 at line 57 of DynaLoader.pm # once (1µs+0s) by RBM::BEGIN@22 at line 55 of DynaLoader.pm # once (1µs+0s) by RBM::BEGIN@22 at line 59 of DynaLoader.pm # once (1µs+0s) by main::BEGIN@5 at line 11 of lib.pm # once (1µs+0s) by RBM::BEGIN@22 at line 58 of DynaLoader.pm sub FETCH {
66	24	11µs			my($self, $key) = @_;
67
68					# check for cached value (which may be undef so we use exists not defined)
69	24	268µs	1	2.49ms	return exists $self->{$key} ? $self->{$key} : $self->fetch_string($key); # spent 2.49ms making 1 call to Config::AUTOLOAD
70					}
71
72					# spent 1µs within Config::TIEHASH which was called: # once (1µs+0s) by lib::BEGIN@6 at line 85 sub TIEHASH {
73	1	34µs			bless $_[1], $_[0];
74					}
75
76					sub DESTROY { }
77
78					# spent 2.49ms (2.39+101µs) within Config::AUTOLOAD which was called: # once (2.39ms+101µs) by Config::FETCH at line 69 sub AUTOLOAD {
79	1	118µs			require 'Config_heavy.pl';
80	1	11µs	2	8µs	goto \&launcher unless $Config::AUTOLOAD =~ /launcher$/; # spent 7µs 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	25µs	1	1µs	tie %Config, 'Config', { # spent 1µs making 1 call to Config::TIEHASH
86					archlibexp => '/usr/lib/x86_64-linux-gnu/perl/5.28',
87					archname => 'x86_64-linux-gnu-thread-multi',
88					cc => 'x86_64-linux-gnu-gcc',
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 => '5.28.0 5.28.0/x86_64-linux-gnu-thread-multi',
96					intsize => '4',
97					ldlibpthname => 'LD_LIBRARY_PATH',
98					libpth => '/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/8/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 => '4.9.0',
101					path_sep => ':',
102					privlibexp => '/usr/share/perl/5.28',
103					scriptdir => '/usr/bin',
104					sitearchexp => '/usr/local/lib/x86_64-linux-gnu/perl/5.28.1',
105					sitelibexp => '/usr/local/share/perl/5.28.1',
106					so => 'so',
107					useithreads => 'define',
108					usevendorprefix => 'define',
109					version => '5.28.1',
110					};

					# spent 11µs within Config::CORE:match which was called 2 times, avg 6µs/call: # once (10µs+0s) by Config::fetch_string at line 1448 of Config_heavy.pl # once (1µs+0s) by Config::AUTOLOAD at line 80 sub Config::CORE:match; # opcode
					# spent 5µs within Config::CORE:pack which was called: # once (5µs+0s) by Config::AUTOLOAD at line 1424 of Config_heavy.pl sub Config::CORE:pack; # opcode
					# spent 9µs within Config::CORE:regcomp which was called: # once (9µs+0s) by Config::fetch_string at line 1448 of Config_heavy.pl sub Config::CORE:regcomp; # opcode
					# spent 8µs within Config::CORE:subst which was called: # once (8µs+0s) by Config::AUTOLOAD at line 1425 of Config_heavy.pl sub Config::CORE:subst; # opcode
					# spent 25µs within Config::CORE:substcont which was called 2 times, avg 13µs/call: # 2 times (25µs+0s) by Config::AUTOLOAD at line 1425 of Config_heavy.pl, avg 13µs/call sub Config::CORE:substcont; # opcode
					# spent 3µs within Config::CORE:unpack which was called: # once (3µs+0s) by Config::AUTOLOAD at line 1424 of Config_heavy.pl sub Config::CORE:unpack; # opcode