← Index
NYTProf Performance Profile   « block view • line view • sub view »
For conv.pl
  Run on Sun Nov 14 22:50:31 2010
Reported on Sun Nov 14 22:51:21 2010

Filename/usr/share/perl/5.10/Exporter.pm
StatementsExecuted 875 statements in 7.15ms
Subroutines
Calls P F Exclusive
Time		 Inclusive
Time		 Subroutine
4747275.68ms14.0msExporter::::importExporter::import
13212.41ms2.58msExporter::::as_heavyExporter::as_heavy
34011441µs441µsExporter::::CORE:matchExporter::CORE:match (opcode)
27021326µs326µsExporter::::CORE:substExporter::CORE:subst (opcode)
104382µs261µsExporter::::exportExporter::export
31126µs2.42msExporter::::export_to_levelExporter::export_to_level
0000s0sExporter::::__ANON__[:65]Exporter::__ANON__[:65]
0000s0sExporter::::export_failExporter::export_fail
0000s0sExporter::::export_ok_tagsExporter::export_ok_tags
0000s0sExporter::::export_tagsExporter::export_tags
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
3123µsrequire 5.006;
4
5# Be lean.
6#use strict;
7#no strict 'refs';
8
911µsour $Debug = 0;
1011µsour $ExportLevel = 0;
1112µsour $Verbose ||= 0;
1211µsour $VERSION = '5.63';
1312µsour (%Cache);
14
15# Carp 1.05+ does this now for us, but we may be running with an old Carp
1612µs$Carp::Internal{Exporter}++;
17
18
# spent 2.58ms (2.41+169µs) within Exporter::as_heavy which was called 13 times, avg 198µs/call: # 10 times (145µs+34µs) by Exporter::export at line 28, avg 18µs/call # 3 times (2.26ms+135µs) by Exporter::export_to_level at line 82, avg 799µs/call
sub as_heavy {
1952425µs require Exporter::Heavy;
20 # Unfortunately, this does not work if the caller is aliased as *name = \&foo
21 # Thus the need to create a lot of identical subroutines
22 my $c = (caller(1))[3];
231347µs $c =~ s/.*:://;
# spent 47µs making 13 calls to Exporter::CORE:subst, avg 4µs/call
24 \&{"Exporter::Heavy::heavy_$c"};
25}
26
27
# spent 261µs (82+179) within Exporter::export which was called 10 times, avg 26µs/call: # 5 times (43µs+96µs) by Exporter::import at line 63, avg 28µs/call # 3 times (22µs+47µs) by Exporter::Heavy::heavy_export_to_level at line 203 of Exporter/Heavy.pm, avg 23µs/call # once (9µs+18µs) by FileHandle::import at line 81 of FileHandle.pm # once (8µs+18µs) by FileHandle::import at line 73 of FileHandle.pm
sub export {
281098µs209.89ms goto &{as_heavy()};
# spent 9.71ms making 10 calls to Exporter::Heavy::heavy_export, avg 971µs/call # spent 179µs making 10 calls to Exporter::as_heavy, avg 18µs/call
29}
30
31
# spent 14.0ms (5.68+8.32) within Exporter::import which was called 47 times, avg 298µs/call: # once (688µs+6.31ms) by POSIX::import at line 29 of POSIX.pm # once (936µs+214µs) by POSIX::BEGIN@13 at line 13 of POSIX.pm # once (137µs+457µs) by MARC::Charset::Code::BEGIN@8 at line 8 of MARC/Charset/Code.pm # once (39µs+417µs) by MARC::Charset::Table::BEGIN@39 at line 39 of MARC/Charset/Table.pm # once (41µs+405µs) by MARC::Charset::BEGIN@14 at line 14 of MARC/Charset.pm # once (334µs+49µs) by Storable::BEGIN@23 at line 39 of FileHandle.pm # once (317µs+39µs) by MARC::File::XML::BEGIN@12 at line 12 of lib/MARC/File/XML.pm # once (297µs+36µs) by Storable::BEGIN@23 at line 26 of IO/File.pm # once (209µs+36µs) by MARC::Charset::BEGIN@11 at line 11 of MARC/Charset.pm # once (38µs+169µs) by Storable::BEGIN@44 at line 45 of Storable.pm # once (144µs+20µs) by MARC::Charset::Table::BEGIN@40 at line 40 of MARC/Charset/Table.pm # once (139µs+12µs) by MARC::File::Encode::BEGIN@22 at line 22 of MARC/File/Encode.pm # once (94µs+11µs) by MARC::Record::BEGIN@15 at line 15 of MARC/Record.pm # once (83µs+13µs) by IO::Handle::BEGIN@7 at line 7 of IO/Handle.pm # once (85µs+6µs) by Carp::BEGIN@5 at line 5 of Carp/Heavy.pm # once (84µs+5µs) by MARC::File::XML::BEGIN@11 at line 11 of lib/MARC/File/XML.pm # once (83µs+5µs) by MARC::Charset::BEGIN@10 at line 10 of MARC/Charset.pm # once (83µs+4µs) by IO::File::BEGIN@9 at line 9 of IO/File.pm # once (81µs+5µs) by MARC::Field::BEGIN@5 at line 5 of MARC/Field.pm # once (80µs+6µs) by SelectSaver::BEGIN@6 at line 6 of SelectSaver.pm # once (76µs+6µs) by IO::BEGIN@6 at line 6 of IO.pm # once (77µs+5µs) by Data::Dumper::BEGIN@20 at line 20 of Data/Dumper.pm # once (77µs+5µs) by XML::SAX::Exception::BEGIN@10 at line 10 of XML/SAX/Exception.pm # once (75µs+4µs) by XML::LibXML::XPathContext::BEGIN@15 at line 15 of XML/LibXML/XPathContext.pm # once (69µs+8µs) by SelectSaver::BEGIN@7 at line 7 of SelectSaver.pm # once (72µs+4µs) by XML::LibXML::Element::BEGIN@1481 at line 1481 of XML/LibXML.pm # once (69µs+5µs) by Tie::Hash::BEGIN@5 at line 5 of Tie/Hash.pm # once (69µs+5µs) by Unicode::Normalize::BEGIN@12 at line 12 of Unicode/Normalize.pm # once (70µs+4µs) by MARC::File::USMARC::BEGIN@13 at line 13 of MARC/File/USMARC.pm # once (68µs+5µs) by XML::LibXML::BEGIN@18 at line 18 of XML/LibXML.pm # once (68µs+4µs) by IO::Seekable::BEGIN@6 at line 6 of IO/Seekable.pm # once (68µs+4µs) by IO::File::BEGIN@8 at line 8 of IO/File.pm # once (67µs+4µs) by IO::Handle::BEGIN@6 at line 6 of IO/Handle.pm # once (67µs+4µs) by IO::File::BEGIN@11 at line 11 of IO/File.pm # once (68µs+3µs) by Encode::BEGIN@48 at line 48 of Encode.pm # once (65µs+5µs) by XML::LibXML::Error::BEGIN@13 at line 13 of XML/LibXML/Error.pm # once (60µs+5µs) by IO::Seekable::BEGIN@12 at line 12 of IO/Seekable.pm # once (59µs+4µs) by MARC::File::USMARC::BEGIN@18 at line 18 of MARC/File/USMARC.pm # once (60µs+2µs) by XML::LibXML::Error::BEGIN@225 at line 225 of XML/LibXML/Error.pm # once (58µs+2µs) by MARC::File::XML::BEGIN@13 at line 13 of lib/MARC/File/XML.pm # once (54µs+2µs) by MARC::Charset::Code::BEGIN@7 at line 7 of MARC/Charset/Code.pm # once (53µs+2µs) by MARC::Batch::BEGIN@28 at line 28 of MARC/Batch.pm # once (51µs+2µs) by MARC::Charset::Code::BEGIN@6 at line 6 of MARC/Charset/Code.pm # once (45µs+0s) by MARC::Record::BEGIN@26 at line 26 of MARC/Record.pm # once (42µs+0s) by XML::LibXML::BEGIN@26 at line 26 of XML/LibXML.pm # once (41µs+0s) by MARC::File::XML::BEGIN@7 at line 7 of lib/MARC/File/XML.pm # once (36µs+0s) by main::BEGIN@4 at line 4 of conv.pl
sub import {
326903.18ms my $pkg = shift;
33 my $callpkg = caller($ExportLevel);
34
35 if ($pkg eq "Exporter" and @_ and $_[0] eq "import") {
36 *{$callpkg."::import"} = \&import;
37 return;
38 }
39
40 # We *need* to treat @{"$pkg\::EXPORT_FAIL"} since Carp uses it :-(
41 my($exports, $fail) = (\@{"$pkg\::EXPORT"}, \@{"$pkg\::EXPORT_FAIL"});
42 return export $pkg, $callpkg, @_
43 if $Verbose or $Debug or @$fail > 1;
44 my $export_cache = ($Cache{$pkg} ||= {});
45 my $args = @_ or @_ = @$exports;
46
47 local $_;
48181.39ms if ($args and not %$export_cache) {
49 s/^&//, $export_cache->{$_} = 1
50257279µs foreach (@$exports, @{"$pkg\::EXPORT_OK"});
# spent 279µs making 257 calls to Exporter::CORE:subst, avg 1µs/call
51 }
52 my $heavy;
53 # Try very hard not to use {} and hence have to enter scope on the foreach
54 # We bomb out of the loop with last as soon as heavy is set.
55941.98ms if ($args or $fail) {
56 ($heavy = (/\W/ or $args and not exists $export_cache->{$_}
57 or @$fail and $_ eq $fail->[0])) and last
58340441µs foreach (@_);
# spent 441µs making 340 calls to Exporter::CORE:match, avg 1µs/call
59 } else {
60 ($heavy = /\W/) and last
61 foreach (@_);
62 }
635139µs return export $pkg, $callpkg, ($args ? @_ : ()) if $heavy;
# spent 139µs making 5 calls to Exporter::export, avg 28µs/call
64 local $SIG{__WARN__} =
65 sub {require Carp; &Carp::carp};
66 # shortcut for the common case of no type character
67 *{"$callpkg\::$_"} = \&{"$pkg\::$_"} foreach @_;
68}
69
70# Default methods
71
72sub export_fail {
73 my $self = shift;
74 @_;
75}
76
77# Unfortunately, caller(1)[3] "does not work" if the caller is aliased as
78# *name = \&foo. Thus the need to create a lot of identical subroutines
79# Otherwise we could have aliased them to export().
80
81
# spent 2.42ms (26µs+2.40) within Exporter::export_to_level which was called 3 times, avg 807µs/call: # 3 times (26µs+2.40ms) by XML::LibXML::import at line 206 of XML/LibXML.pm, avg 807µs/call
sub export_to_level {
82334µs63.90ms goto &{as_heavy()};
# spent 2.40ms making 3 calls to Exporter::as_heavy, avg 799µs/call # spent 1.50ms making 3 calls to Exporter::Heavy::heavy_export_to_level, avg 501µs/call
83}
84
85sub export_tags {
86 goto &{as_heavy()};
87}
88
89sub export_ok_tags {
90 goto &{as_heavy()};
91}
92
93sub require_version {
94 goto &{as_heavy()};
95}
96
9718µs1;
98__END__
 
# spent 441µs within Exporter::CORE:match which was called 340 times, avg 1µs/call: # 340 times (441µs+0s) by Exporter::import at line 58, avg 1µs/call
sub Exporter::CORE:match; # opcode
# spent 326µs within Exporter::CORE:subst which was called 270 times, avg 1µs/call: # 257 times (279µs+0s) by Exporter::import at line 50, avg 1µs/call # 13 times (47µs+0s) by Exporter::as_heavy at line 23, avg 4µs/call
sub Exporter::CORE:subst; # opcode
Report produced by the NYTProf 4.04 Perl profiler, developed by Tim Bunce and Adam Kaplan.