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For runner.pl
  Run on Thu Jul 3 15:14:19 2014
Reported on Thu Jul 3 15:16:35 2014

Filename/usr/share/perl5/core_perl/Exporter.pm
StatementsExecuted 190 statements in 1.47ms
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
121061.28ms1.35msExporter::::importExporter::import
242144µs44µsExporter::::CORE:matchExporter::CORE:match (opcode)
591127µs27µsExporter::::CORE:substExporter::CORE:subst (opcode)
0000s0sExporter::::__ANON__[:64]Exporter::__ANON__[:64]
0000s0sExporter::::as_heavyExporter::as_heavy
0000s0sExporter::::exportExporter::export
0000s0sExporter::::export_failExporter::export_fail
0000s0sExporter::::export_ok_tagsExporter::export_ok_tags
0000s0sExporter::::export_tagsExporter::export_tags
0000s0sExporter::::export_to_levelExporter::export_to_level
0000s0sExporter::::require_versionExporter::require_version
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments
Time
on line
Calls Time
in subs
Code
1package Exporter;
2
3126µsrequire 5.006;
4
5# Be lean.
6#use strict;
7#no strict 'refs';
8
91900nsour $Debug = 0;
101400nsour $ExportLevel = 0;
111700nsour $Verbose ||= 0;
1211µsour $VERSION = '5.68';
131600nsour (%Cache);
14
15sub as_heavy {
16 require Exporter::Heavy;
17 # Unfortunately, this does not work if the caller is aliased as *name = \&foo
18 # Thus the need to create a lot of identical subroutines
19 my $c = (caller(1))[3];
20 $c =~ s/.*:://;
21 \&{"Exporter::Heavy::heavy_$c"};
22}
23
24sub export {
25 goto &{as_heavy()};
26}
27
28
# spent 1.35ms (1.28+71µs) within Exporter::import which was called 12 times, avg 113µs/call: # 3 times (273µs+15µs) by Runner::BEGIN@14 or Runner::IO::BEGIN@6 or Runner::Stats::BEGIN@7 at line 34 of List/Util.pm, avg 96µs/call # once (199µs+14µs) by Runner::Stats::BEGIN@8 at line 8 of Runner/Stats.pm # once (125µs+5µs) by Runner::BEGIN@10 at line 10 of runner.pl # once (123µs+7µs) by Data::Dumper::BEGIN@22 at line 22 of Data/Dumper.pm # once (119µs+6µs) by Runner::BEGIN@11 at line 11 of runner.pl # once (117µs+5µs) by Runner::BEGIN@12 at line 12 of runner.pl # once (110µs+10µs) by Runner::BEGIN@13 at line 13 of runner.pl # once (87µs+5µs) by Runner::IO::BEGIN@5 at line 5 of Runner/IO.pm # once (72µs+3µs) by Runner::Stats::BEGIN@5 at line 5 of Runner/Stats.pm # once (57µs+0s) by JSON::XS::BEGIN@121 at line 121 of JSON/XS.pm
sub import {
291214µs my $pkg = shift;
301225µs my $callpkg = caller($ExportLevel);
31
321214µs if ($pkg eq "Exporter" and @_ and $_[0] eq "import") {
33 *{$callpkg."::import"} = \&import;
34 return;
35 }
36
37 # We *need* to treat @{"$pkg\::EXPORT_FAIL"} since Carp uses it :-(
381262µs my $exports = \@{"$pkg\::EXPORT"};
39 # But, avoid creating things if they don't exist, which saves a couple of
40 # hundred bytes per package processed.
411238µs my $fail = ${$pkg . '::'}{EXPORT_FAIL} && \@{"$pkg\::EXPORT_FAIL"};
421216µs return export $pkg, $callpkg, @_
43 if $Verbose or $Debug or $fail && @$fail > 1;
441229µs my $export_cache = ($Cache{$pkg} ||= {});
451235µs my $args = @_ or @_ = @$exports;
46
471213µs if ($args and not %$export_cache) {
48 s/^&//, $export_cache->{$_} = 1
493281µs5927µs foreach (@$exports, @{"$pkg\::EXPORT_OK"});
# spent 27µs making 59 calls to Exporter::CORE:subst, avg 458ns/call
50 }
51124µs my $heavy;
52 # Try very hard not to use {} and hence have to enter scope on the foreach
53 # We bomb out of the loop with last as soon as heavy is set.
541221µs if ($args or $fail) {
55 ($heavy = (/\W/ or $args and not exists $export_cache->{$_}
56 or $fail and @$fail and $_ eq $fail->[0])) and last
577158µs1727µs foreach (@_);
# spent 27µs making 17 calls to Exporter::CORE:match, avg 2µs/call
58 } else {
59 ($heavy = /\W/) and last
605102µs717µs foreach (@_);
# spent 17µs making 7 calls to Exporter::CORE:match, avg 2µs/call
61 }
62125µs return export $pkg, $callpkg, ($args ? @_ : ()) if $heavy;
63 local $SIG{__WARN__} =
6412171µs sub {require Carp; &Carp::carp} if not $SIG{__WARN__};
65 # shortcut for the common case of no type character
6612437µs *{"$callpkg\::$_"} = \&{"$pkg\::$_"} foreach @_;
67}
68
69# Default methods
70
71sub export_fail {
72 my $self = shift;
73 @_;
74}
75
76# Unfortunately, caller(1)[3] "does not work" if the caller is aliased as
77# *name = \&foo. Thus the need to create a lot of identical subroutines
78# Otherwise we could have aliased them to export().
79
80sub export_to_level {
81 goto &{as_heavy()};
82}
83
84sub export_tags {
85 goto &{as_heavy()};
86}
87
88sub export_ok_tags {
89 goto &{as_heavy()};
90}
91
92sub require_version {
93 goto &{as_heavy()};
94}
95
96112µs1;
97__END__
 
# spent 44µs within Exporter::CORE:match which was called 24 times, avg 2µs/call: # 17 times (27µs+0s) by Exporter::import at line 57, avg 2µs/call # 7 times (17µs+0s) by Exporter::import at line 60, avg 2µs/call
sub Exporter::CORE:match; # opcode
# spent 27µs within Exporter::CORE:subst which was called 59 times, avg 458ns/call: # 59 times (27µs+0s) by Exporter::import at line 49, avg 458ns/call
sub Exporter::CORE:subst; # opcode