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For /usr/share/koha/opac/cgi-bin/opac/opac-search.pl
  Run on Tue Oct 15 17:10:45 2013
Reported on Tue Oct 15 17:12:16 2013

Filename/usr/share/perl/5.10/Exporter/Heavy.pm
StatementsExecuted 7755 statements in 43.6ms
Subroutines
Calls P F Exclusive
Time		 Inclusive
Time		 Subroutine
1131136.3ms40.9msExporter::Heavy::::heavy_exportExporter::Heavy::heavy_export
3744614.08ms4.08msExporter::Heavy::::CORE:substExporter::Heavy::CORE:subst (opcode)
411456µs518µsExporter::Heavy::::_rebuild_cacheExporter::Heavy::_rebuild_cache
1311254µs3.60msExporter::Heavy::::heavy_export_to_levelExporter::Heavy::heavy_export_to_level
511141µs141µsExporter::Heavy::::_push_tagsExporter::Heavy::_push_tags
8341115µs115µsExporter::Heavy::::CORE:matchExporter::Heavy::CORE:match (opcode)
51147µs188µsExporter::Heavy::::heavy_export_ok_tagsExporter::Heavy::heavy_export_ok_tags
11134µs41µsExporter::Heavy::::BEGIN@3Exporter::Heavy::BEGIN@3
11130µs90µsExporter::Heavy::::BEGIN@186Exporter::Heavy::BEGIN@186
1118µs22µsExporter::Heavy::::BEGIN@4Exporter::Heavy::BEGIN@4
0000s0sExporter::Heavy::::__ANON__[:41]Exporter::Heavy::__ANON__[:41]
0000s0sExporter::Heavy::::__ANON__[:47]Exporter::Heavy::__ANON__[:47]
0000s0sExporter::Heavy::::heavy_export_tagsExporter::Heavy::heavy_export_tags
0000s0sExporter::Heavy::::heavy_require_versionExporter::Heavy::heavy_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::Heavy;
2
3346µs248µs
# spent 41µs (34+7) within Exporter::Heavy::BEGIN@3 which was called: # once (34µs+7µs) by Exporter::as_heavy at line 3
use strict;
# spent 41µs making 1 call to Exporter::Heavy::BEGIN@3 # spent 7µs making 1 call to strict::import
431.14ms236µs
# spent 22µs (8+14) within Exporter::Heavy::BEGIN@4 which was called: # once (8µs+14µs) by Exporter::as_heavy at line 4
no strict 'refs';
# spent 22µs making 1 call to Exporter::Heavy::BEGIN@4 # spent 14µs making 1 call to strict::unimport
5
6# On one line so MakeMaker will see it.
722µsrequire Exporter; our $VERSION = $Exporter::VERSION;
8
9# Carp 1.05+ does this now for us, but we may be running with an old Carp
1012µs$Carp::Internal{'Exporter::Heavy'}++;
11
12#
13# We go to a lot of trouble not to 'require Carp' at file scope,
14# because Carp requires Exporter, and something has to give.
15#
16
17
# spent 518µs (456+62) within Exporter::Heavy::_rebuild_cache which was called 4 times, avg 130µs/call: # 4 times (456µs+62µs) by Exporter::Heavy::heavy_export at line 56, avg 130µs/call
sub _rebuild_cache {
18410µs my ($pkg, $exports, $cache) = @_;
198302µs9452µs s/^&// foreach @$exports;
# spent 52µs making 94 calls to Exporter::Heavy::CORE:subst, avg 559ns/call
20489µs @{$cache}{@$exports} = (1) x @$exports;
21417µs my $ok = \@{"${pkg}::EXPORT_OK"};
22420µs if (@$ok) {
23666µs2710µs s/^&// foreach @$ok;
# spent 10µs making 27 calls to Exporter::Heavy::CORE:subst, avg 359ns/call
24317µs @{$cache}{@$ok} = (1) x @$ok;
25 }
26}
27
28
# spent 40.9ms (36.3+4.65) within Exporter::Heavy::heavy_export which was called 113 times, avg 362µs/call: # 113 times (36.3ms+4.65ms) by Exporter::Heavy::heavy_export_to_level or Exporter::import or FileHandle::import or IO::Socket::import or LWP::Simple::import at line 28 of Exporter.pm, avg 362µs/call
sub heavy_export {
29
30 # First make import warnings look like they're coming from the "use".
31 local $SIG{__WARN__} = sub {
32 my $text = shift;
33 if ($text =~ s/ at \S*Exporter\S*.pm line \d+.*\n//) {
34 require Carp;
35 local $Carp::CarpLevel = 1; # ignore package calling us too.
36 Carp::carp($text);
37 }
38 else {
39 warn $text;
40 }
411131.22ms };
42 local $SIG{__DIE__} = sub {
43 require Carp;
44 local $Carp::CarpLevel = 1; # ignore package calling us too.
45 Carp::croak("$_[0]Illegal null symbol in \@${1}::EXPORT")
46 if $_[0] =~ /^Unable to create sub named "(.*?)::"/;
47113839µs };
48
49113252µs my($pkg, $callpkg, @imports) = @_;
5011391µs my($type, $sym, $cache_is_current, $oops);
51113517µs my($exports, $export_cache) = (\@{"${pkg}::EXPORT"},
52 $Exporter::Cache{$pkg} ||= {});
53
54113265µs if (@imports) {
553378µs if (!%$export_cache) {
56415µs4518µs _rebuild_cache ($pkg, $exports, $export_cache);
# spent 518µs making 4 calls to Exporter::Heavy::_rebuild_cache, avg 130µs/call
5744µs $cache_is_current = 1;
58 }
59
6033308µs4577µs if (grep m{^[/!:]}, @imports) {
# spent 77µs making 45 calls to Exporter::Heavy::CORE:match, avg 2µs/call
612879µs my $tagsref = \%{"${pkg}::EXPORT_TAGS"};
62288µs my $tagdata;
63289µs my %imports;
642823µs my($remove, $spec, @names, @allexports);
65 # negated first item implies starting with default set:
6628103µs2826µs unshift @imports, ':DEFAULT' if $imports[0] =~ m/^!/;
# spent 26µs making 28 calls to Exporter::Heavy::CORE:match, avg 946ns/call
672847µs foreach $spec (@imports){
6837132µs3722µs $remove = $spec =~ s/^!//;
# spent 22µs making 37 calls to Exporter::Heavy::CORE:subst, avg 608ns/call
69
7037250µs43114µs if ($spec =~ s/^://){
# spent 108µs making 37 calls to Exporter::Heavy::CORE:subst, avg 3µs/call # spent 6µs making 6 calls to Exporter::Heavy::CORE:match, avg 1µs/call
7131276µs if ($spec eq 'DEFAULT'){
72 @names = @$exports;
73 }
74 elsif ($tagdata = $tagsref->{$spec}) {
75 @names = @$tagdata;
76 }
77 else {
78 warn qq["$spec" is not defined in %${pkg}::EXPORT_TAGS];
79 ++$oops;
80 next;
81 }
82 }
83 elsif ($spec =~ m:^/(.*)/$:){
84 my $patn = $1;
85 @allexports = keys %$export_cache unless @allexports; # only do keys once
86 @names = grep(/$patn/, @allexports); # not anchored by default
87 }
88 else {
89611µs @names = ($spec); # is a normal symbol name
90 }
91
923716µs warn "Import ".($remove ? "del":"add").": @names "
93 if $Exporter::Verbose;
94
953778µs if ($remove) {
96 foreach $sym (@names) { delete $imports{$sym} }
97 }
98 else {
9937273µs @imports{@names} = (1) x @names;
100 }
101 }
10228320µs @imports = keys %imports;
103 }
104
1053318µs my @carp;
1063347µs foreach $sym (@imports) {
107448333µs if (!$export_cache->{$sym}) {
108464µs810µs if ($sym =~ m/^\d/) {
# spent 5µs making 4 calls to Exporter::Heavy::CORE:subst, avg 1µs/call # spent 5µs making 4 calls to Exporter::Heavy::CORE:match, avg 1µs/call
109 $pkg->VERSION($sym); # inherit from UNIVERSAL
110 # If the version number was the only thing specified
111 # then we should act as if nothing was specified:
112 if (@imports == 1) {
113 @imports = @$exports;
114 last;
115 }
116 # We need a way to emulate 'use Foo ()' but still
117 # allow an easy version check: "use Foo 1.23, ''";
118 if (@imports == 2 and !$imports[1]) {
119 @imports = ();
120 last;
121 }
122 } elsif ($sym !~ s/^&// || !$export_cache->{$sym}) {
123 # Last chance - see if they've updated EXPORT_OK since we
124 # cached it.
125
126 unless ($cache_is_current) {
127 %$export_cache = ();
128 _rebuild_cache ($pkg, $exports, $export_cache);
129 $cache_is_current = 1;
130 }
131
132 if (!$export_cache->{$sym}) {
133 # accumulate the non-exports
134 push @carp,
135 qq["$sym" is not exported by the $pkg module\n];
136 $oops++;
137 }
138 }
139 }
140 }
1413322µs if ($oops) {
142 require Carp;
143 Carp::croak("@{carp}Can't continue after import errors");
144 }
145 }
146 else {
147801.25ms @imports = @$exports;
148 }
149
150113486µs my($fail, $fail_cache) = (\@{"${pkg}::EXPORT_FAIL"},
151 $Exporter::FailCache{$pkg} ||= {});
152
15311373µs if (@$fail) {
154 if (!%$fail_cache) {
155 # Build cache of symbols. Optimise the lookup by adding
156 # barewords twice... both with and without a leading &.
157 # (Technique could be applied to $export_cache at cost of memory)
158 my @expanded = map { /^\w/ ? ($_, '&'.$_) : $_ } @$fail;
159 warn "${pkg}::EXPORT_FAIL cached: @expanded" if $Exporter::Verbose;
160 @{$fail_cache}{@expanded} = (1) x @expanded;
161 }
162 my @failed;
163 foreach $sym (@imports) { push(@failed, $sym) if $fail_cache->{$sym} }
164 if (@failed) {
165 @failed = $pkg->export_fail(@failed);
166 foreach $sym (@failed) {
167 require Carp;
168 Carp::carp(qq["$sym" is not implemented by the $pkg module ],
169 "on this architecture");
170 }
171 if (@failed) {
172 require Carp;
173 Carp::croak("Can't continue after import errors");
174 }
175 }
176 }
177
17811355µs warn "Importing into $callpkg from $pkg: ",
179 join(", ",sort @imports) if $Exporter::Verbose;
180
1811132.94ms foreach $sym (@imports) {
182 # shortcut for the common case of no type character
183354522.3ms35453.88ms (*{"${callpkg}::$sym"} = \&{"${pkg}::$sym"}, next)
# spent 3.88ms making 3545 calls to Exporter::Heavy::CORE:subst, avg 1µs/call
184 unless $sym =~ s/^(\W)//;
1859081.30ms $type = $1;
1863705µs2149µs
# spent 90µs (30+60) within Exporter::Heavy::BEGIN@186 which was called: # once (30µs+60µs) by Exporter::as_heavy at line 186
no warnings 'once';
# spent 90µs making 1 call to Exporter::Heavy::BEGIN@186 # spent 60µs making 1 call to warnings::unimport
187 *{"${callpkg}::$sym"} =
188 $type eq '&' ? \&{"${pkg}::$sym"} :
189 $type eq '$' ? \${"${pkg}::$sym"} :
190 $type eq '@' ? \@{"${pkg}::$sym"} :
191 $type eq '%' ? \%{"${pkg}::$sym"} :
192 $type eq '*' ? *{"${pkg}::$sym"} :
1939086.61ms do { require Carp; Carp::croak("Can't export symbol: $type$sym") };
194 }
195}
196
197sub heavy_export_to_level
198
# spent 3.60ms (254µs+3.35) within Exporter::Heavy::heavy_export_to_level which was called 13 times, avg 277µs/call: # 13 times (254µs+3.35ms) by JSON::import or Memoize::Memcached::import or XML::LibXML::import at line 82 of Exporter.pm, avg 277µs/call
{
1991321µs my $pkg = shift;
2001311µs my $level = shift;
2011323µs (undef) = shift; # XXX redundant arg
2021319µs my $callpkg = caller($level);
20313120µs13271µs $pkg->export($callpkg, @_);
# spent 271µs making 13 calls to Exporter::export, avg 21µs/call
204}
205
206# Utility functions
207
208
# spent 141µs within Exporter::Heavy::_push_tags which was called 5 times, avg 28µs/call: # 5 times (141µs+0s) by Exporter::Heavy::heavy_export_ok_tags at line 234, avg 28µs/call
sub _push_tags {
209512µs my($pkg, $var, $syms) = @_;
21055µs my @nontag = ();
211519µs my $export_tags = \%{"${pkg}::EXPORT_TAGS"};
212 push(@{"${pkg}::$var"},
213586µs map { $export_tags->{$_} ? @{$export_tags->{$_}}
214 : scalar(push(@nontag,$_),$_) }
215 (@$syms) ? @$syms : keys %$export_tags);
216529µs if (@nontag and $^W) {
217 # This may change to a die one day
218 require Carp;
219 Carp::carp(join(", ", @nontag)." are not tags of $pkg");
220 }
221}
222
223sub heavy_require_version {
224 my($self, $wanted) = @_;
225 my $pkg = ref $self || $self;
226 return ${pkg}->VERSION($wanted);
227}
228
229sub heavy_export_tags {
230 _push_tags((caller)[0], "EXPORT", \@_);
231}
232
233
# spent 188µs (47+141) within Exporter::Heavy::heavy_export_ok_tags which was called 5 times, avg 38µs/call: # 5 times (47µs+141µs) by Compress::Zlib::BEGIN@13 or Compress::Zlib::BEGIN@14 or DBI::BEGIN@160 or IO::Compress::Gzip::BEGIN@11 or IO::Uncompress::Gunzip::BEGIN@12 at line 90 of Exporter.pm, avg 38µs/call
sub heavy_export_ok_tags {
234558µs5141µs _push_tags((caller)[0], "EXPORT_OK", \@_);
# spent 141µs making 5 calls to Exporter::Heavy::_push_tags, avg 28µs/call
235}
236
23716µs1;
 
# spent 115µs within Exporter::Heavy::CORE:match which was called 83 times, avg 1µs/call: # 45 times (77µs+0s) by Exporter::Heavy::heavy_export at line 60, avg 2µs/call # 28 times (26µs+0s) by Exporter::Heavy::heavy_export at line 66, avg 946ns/call # 6 times (6µs+0s) by Exporter::Heavy::heavy_export at line 70, avg 1µs/call # 4 times (5µs+0s) by Exporter::Heavy::heavy_export at line 108, avg 1µs/call
sub Exporter::Heavy::CORE:match; # opcode
# spent 4.08ms within Exporter::Heavy::CORE:subst which was called 3744 times, avg 1µs/call: # 3545 times (3.88ms+0s) by Exporter::Heavy::heavy_export at line 183, avg 1µs/call # 94 times (52µs+0s) by Exporter::Heavy::_rebuild_cache at line 19, avg 559ns/call # 37 times (108µs+0s) by Exporter::Heavy::heavy_export at line 70, avg 3µs/call # 37 times (22µs+0s) by Exporter::Heavy::heavy_export at line 68, avg 608ns/call # 27 times (10µs+0s) by Exporter::Heavy::_rebuild_cache at line 23, avg 359ns/call # 4 times (5µs+0s) by Exporter::Heavy::heavy_export at line 108, avg 1µs/call
sub Exporter::Heavy::CORE:subst; # opcode
Report produced by the NYTProf 4.04 Perl profiler, developed by Tim Bunce and Adam Kaplan.