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For script/ponapi
  Run on Wed Feb 10 15:51:26 2016
Reported on Thu Feb 11 09:43:09 2016

Filename/usr/share/perl/5.18/Exporter/Heavy.pm
StatementsExecuted 1090 statements in 13.4ms
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
18117.76ms12.6msExporter::Heavy::::heavy_exportExporter::Heavy::heavy_export
5214.11ms4.19msExporter::Heavy::::_rebuild_cacheExporter::Heavy::_rebuild_cache
169461260µs260µsExporter::Heavy::::CORE:substExporter::Heavy::CORE:subst (opcode)
22143µs43µsExporter::Heavy::::_push_tagsExporter::Heavy::_push_tags
31128µs269µsExporter::Heavy::::heavy_export_to_levelExporter::Heavy::heavy_export_to_level
184112µs12µsExporter::Heavy::::CORE:matchExporter::Heavy::CORE:match (opcode)
31112µs13µsExporter::Heavy::::__ANON__[:44]Exporter::Heavy::__ANON__[:44]
1119µs44µsExporter::Heavy::::BEGIN@183Exporter::Heavy::BEGIN@183
1119µs18µsExporter::Heavy::::BEGIN@3Exporter::Heavy::BEGIN@3
1116µs34µsExporter::Heavy::::heavy_export_ok_tagsExporter::Heavy::heavy_export_ok_tags
1115µs12µsExporter::Heavy::::BEGIN@4Exporter::Heavy::BEGIN@4
1115µs20µsExporter::Heavy::::heavy_export_tagsExporter::Heavy::heavy_export_tags
0000s0sExporter::Heavy::::__ANON__[:38]Exporter::Heavy::__ANON__[:38]
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
3221µs228µs
# spent 18µs (9+9) within Exporter::Heavy::BEGIN@3 which was called: # once (9µs+9µs) by Exporter::as_heavy at line 3
use strict;
# spent 18µs making 1 call to Exporter::Heavy::BEGIN@3 # spent 9µs making 1 call to strict::import
42747µs218µs
# spent 12µs (5+7) within Exporter::Heavy::BEGIN@4 which was called: # once (5µs+7µs) by Exporter::as_heavy at line 4
no strict 'refs';
# spent 12µs making 1 call to Exporter::Heavy::BEGIN@4 # spent 7µs making 1 call to strict::unimport
5
6# On one line so MakeMaker will see it.
72800nsrequire Exporter; our $VERSION = $Exporter::VERSION;
8
9#
10# We go to a lot of trouble not to 'require Carp' at file scope,
11# because Carp requires Exporter, and something has to give.
12#
13
14
# spent 4.19ms (4.11+84µs) within Exporter::Heavy::_rebuild_cache which was called 5 times, avg 838µs/call: # 3 times (4.03ms+80µs) by Exporter::Heavy::heavy_export at line 125, avg 1.37ms/call # 2 times (80µs+4µs) by Exporter::Heavy::heavy_export at line 53, avg 42µs/call
sub _rebuild_cache {
1552µs my ($pkg, $exports, $cache) = @_;
16510µs1400ns s/^&// foreach @$exports;
# spent 400ns making 1 call to Exporter::Heavy::CORE:subst
1758µs @{$cache}{@$exports} = (1) x @$exports;
1859µs my $ok = \@{"${pkg}::EXPORT_OK"};
19517µs if (@$ok) {
2044.00ms103783µs s/^&// foreach @$ok;
# spent 83µs making 1037 calls to Exporter::Heavy::CORE:subst, avg 80ns/call
214157µs @{$cache}{@$ok} = (1) x @$ok;
22 }
23}
24
25
# spent 12.6ms (7.76+4.84) within Exporter::Heavy::heavy_export which was called 18 times, avg 700µs/call: # 18 times (7.76ms+4.84ms) by Exporter::Heavy::heavy_export_to_level or Exporter::import or FileHandle::import or IO::Socket::import at line 25 of Exporter.pm, avg 700µs/call
sub heavy_export {
26
27 # First make import warnings look like they're coming from the "use".
28 local $SIG{__WARN__} = sub {
29 my $text = shift;
30 if ($text =~ s/ at \S*Exporter\S*.pm line \d+.*\n//) {
31 require Carp;
32 local $Carp::CarpLevel = 1; # ignore package calling us too.
33 Carp::carp($text);
34 }
35 else {
36 warn $text;
37 }
381887µs };
39
# spent 13µs (12+1) within Exporter::Heavy::__ANON__[/usr/share/perl/5.18/Exporter/Heavy.pm:44] which was called 3 times, avg 4µs/call: # 3 times (12µs+1µs) by Carp::croak at line 100 of Carp.pm, avg 4µs/call
local $SIG{__DIE__} = sub {
4031µs require Carp;
4131µs local $Carp::CarpLevel = 1; # ignore package calling us too.
42312µs31µs Carp::croak("$_[0]Illegal null symbol in \@${1}::EXPORT")
# spent 1µs making 3 calls to Exporter::Heavy::CORE:match, avg 400ns/call
43 if $_[0] =~ /^Unable to create sub named "(.*?)::"/;
441884µs };
45
461817µs my($pkg, $callpkg, @imports) = @_;
47184µs my($type, $sym, $cache_is_current, $oops);
481844µs my($exports, $export_cache) = (\@{"${pkg}::EXPORT"},
49 $Exporter::Cache{$pkg} ||= {});
50
511810µs if (@imports) {
52915µs if (!%$export_cache) {
5323µs284µs _rebuild_cache ($pkg, $exports, $export_cache);
# spent 84µs making 2 calls to Exporter::Heavy::_rebuild_cache, avg 42µs/call
542600ns $cache_is_current = 1;
55 }
56
57940µs98µs if (grep m{^[/!:]}, @imports) {
# spent 8µs making 9 calls to Exporter::Heavy::CORE:match, avg 900ns/call
5835µs my $tagsref = \%{"${pkg}::EXPORT_TAGS"};
593700ns my $tagdata;
603700ns my %imports;
613800ns my($remove, $spec, @names, @allexports);
62 # negated first item implies starting with default set:
63310µs32µs unshift @imports, ':DEFAULT' if $imports[0] =~ m/^!/;
# spent 2µs making 3 calls to Exporter::Heavy::CORE:match, avg 600ns/call
6435µs foreach $spec (@imports){
65310µs31µs $remove = $spec =~ s/^!//;
# spent 1µs making 3 calls to Exporter::Heavy::CORE:subst, avg 367ns/call
66
67312µs34µs if ($spec =~ s/^://){
# spent 4µs making 3 calls to Exporter::Heavy::CORE:subst, avg 1µs/call
68312µs if ($spec eq 'DEFAULT'){
69 @names = @$exports;
70 }
71 elsif ($tagdata = $tagsref->{$spec}) {
72 @names = @$tagdata;
73 }
74 else {
75 warn qq["$spec" is not defined in %${pkg}::EXPORT_TAGS];
76 ++$oops;
77 next;
78 }
79 }
80 elsif ($spec =~ m:^/(.*)/$:){
81 my $patn = $1;
82 @allexports = keys %$export_cache unless @allexports; # only do keys once
83 @names = grep(/$patn/, @allexports); # not anchored by default
84 }
85 else {
86 @names = ($spec); # is a normal symbol name
87 }
88
893800ns warn "Import ".($remove ? "del":"add").": @names "
90 if $Exporter::Verbose;
91
9236µs if ($remove) {
93 foreach $sym (@names) { delete $imports{$sym} }
94 }
95 else {
96317µs @imports{@names} = (1) x @names;
97 }
98 }
99316µs @imports = keys %imports;
100 }
101
10292µs my @carp;
10396µs foreach $sym (@imports) {
1045617µs if (!$export_cache->{$sym}) {
105313µs63µs if ($sym =~ m/^\d/) {
# spent 1µs making 3 calls to Exporter::Heavy::CORE:subst, avg 467ns/call # spent 1µs making 3 calls to Exporter::Heavy::CORE:match, avg 433ns/call
106 $pkg->VERSION($sym); # inherit from UNIVERSAL
107 # If the version number was the only thing specified
108 # then we should act as if nothing was specified:
109 if (@imports == 1) {
110 @imports = @$exports;
111 last;
112 }
113 # We need a way to emulate 'use Foo ()' but still
114 # allow an easy version check: "use Foo 1.23, ''";
115 if (@imports == 2 and !$imports[1]) {
116 @imports = ();
117 last;
118 }
119 } elsif ($sym !~ s/^&// || !$export_cache->{$sym}) {
120 # Last chance - see if they've updated EXPORT_OK since we
121 # cached it.
122
1233600ns unless ($cache_is_current) {
124333µs %$export_cache = ();
125314µs34.11ms _rebuild_cache ($pkg, $exports, $export_cache);
# spent 4.11ms making 3 calls to Exporter::Heavy::_rebuild_cache, avg 1.37ms/call
1263800ns $cache_is_current = 1;
127 }
128
12931µs if (!$export_cache->{$sym}) {
130 # accumulate the non-exports
13135µs push @carp,
132 qq["$sym" is not exported by the $pkg module\n];
1333900ns $oops++;
134 }
135 }
136 }
137 }
13893µs if ($oops) {
13931µs require Carp;
14035µs3465µs Carp::croak("@{carp}Can't continue after import errors");
# spent 465µs making 3 calls to Carp::croak, avg 155µs/call
141 }
142 }
143 else {
144965µs @imports = @$exports;
145 }
146
1471548µs my($fail, $fail_cache) = (\@{"${pkg}::EXPORT_FAIL"},
148 $Exporter::FailCache{$pkg} ||= {});
149
150158µs if (@$fail) {
151 if (!%$fail_cache) {
152 # Build cache of symbols. Optimise the lookup by adding
153 # barewords twice... both with and without a leading &.
154 # (Technique could be applied to $export_cache at cost of memory)
155 my @expanded = map { /^\w/ ? ($_, '&'.$_) : $_ } @$fail;
156 warn "${pkg}::EXPORT_FAIL cached: @expanded" if $Exporter::Verbose;
157 @{$fail_cache}{@expanded} = (1) x @expanded;
158 }
159 my @failed;
160 foreach $sym (@imports) { push(@failed, $sym) if $fail_cache->{$sym} }
161 if (@failed) {
162 @failed = $pkg->export_fail(@failed);
163 foreach $sym (@failed) {
164 require Carp;
165 Carp::carp(qq["$sym" is not implemented by the $pkg module ],
166 "on this architecture");
167 }
168 if (@failed) {
169 require Carp;
170 Carp::croak("Can't continue after import errors");
171 }
172 }
173 }
174
175153µs warn "Importing into $callpkg from $pkg: ",
176 join(", ",sort @imports) if $Exporter::Verbose;
177
17815243µs foreach $sym (@imports) {
179 # shortcut for the common case of no type character
1806477.03ms647170µs (*{"${callpkg}::$sym"} = \&{"${pkg}::$sym"}, next)
# spent 170µs making 647 calls to Exporter::Heavy::CORE:subst, avg 263ns/call
181 unless $sym =~ s/^(\W)//;
18278µs $type = $1;
1832350µs278µs
# spent 44µs (9+35) within Exporter::Heavy::BEGIN@183 which was called: # once (9µs+35µs) by Exporter::as_heavy at line 183
no warnings 'once';
# spent 44µs making 1 call to Exporter::Heavy::BEGIN@183 # spent 35µs making 1 call to warnings::unimport
184 *{"${callpkg}::$sym"} =
185 $type eq '&' ? \&{"${pkg}::$sym"} :
186 $type eq '$' ? \${"${pkg}::$sym"} :
187 $type eq '@' ? \@{"${pkg}::$sym"} :
188 $type eq '%' ? \%{"${pkg}::$sym"} :
189 $type eq '*' ? *{"${pkg}::$sym"} :
190735µs do { require Carp; Carp::croak("Can't export symbol: $type$sym") };
191 }
192}
193
194sub heavy_export_to_level
195
# spent 269µs (28+241) within Exporter::Heavy::heavy_export_to_level which was called 3 times, avg 90µs/call: # 3 times (28µs+241µs) by Class::Struct::import or Time::HiRes::import at line 81 of Exporter.pm, avg 90µs/call
{
19631µs my $pkg = shift;
1973700ns my $level = shift;
19831µs (undef) = shift; # XXX redundant arg
19932µs my $callpkg = caller($level);
200315µs329µs $pkg->export($callpkg, @_);
# spent 29µs making 3 calls to Exporter::export, avg 10µs/call
201}
202
203# Utility functions
204
205
# spent 43µs within Exporter::Heavy::_push_tags which was called 2 times, avg 21µs/call: # once (28µs+0s) by Exporter::Heavy::heavy_export_ok_tags at line 231 # once (15µs+0s) by Exporter::Heavy::heavy_export_tags at line 227
sub _push_tags {
20622µs my($pkg, $var, $syms) = @_;
2072800ns my @nontag = ();
20823µs my $export_tags = \%{"${pkg}::EXPORT_TAGS"};
209 push(@{"${pkg}::$var"},
210233µs map { $export_tags->{$_} ? @{$export_tags->{$_}}
211 : scalar(push(@nontag,$_),$_) }
212 (@$syms) ? @$syms : keys %$export_tags);
21327µs if (@nontag and $^W) {
214 # This may change to a die one day
215 require Carp;
216 Carp::carp(join(", ", @nontag)." are not tags of $pkg");
217 }
218}
219
220sub heavy_require_version {
221 my($self, $wanted) = @_;
222 my $pkg = ref $self || $self;
223 return ${pkg}->VERSION($wanted);
224}
225
226
# spent 20µs (5+15) within Exporter::Heavy::heavy_export_tags which was called: # once (5µs+15µs) by Path::Class::Dir::BEGIN@14 at line 85 of Exporter.pm
sub heavy_export_tags {
22716µs115µs _push_tags((caller)[0], "EXPORT", \@_);
# spent 15µs making 1 call to Exporter::Heavy::_push_tags
228}
229
230
# spent 34µs (6+28) within Exporter::Heavy::heavy_export_ok_tags which was called: # once (6µs+28µs) by DBI::BEGIN@179 at line 89 of Exporter.pm
sub heavy_export_ok_tags {
23116µs128µs _push_tags((caller)[0], "EXPORT_OK", \@_);
# spent 28µs making 1 call to Exporter::Heavy::_push_tags
232}
233
23412µs1;
 
# spent 12µs within Exporter::Heavy::CORE:match which was called 18 times, avg 689ns/call: # 9 times (8µs+0s) by Exporter::Heavy::heavy_export at line 57, avg 900ns/call # 3 times (2µs+0s) by Exporter::Heavy::heavy_export at line 63, avg 600ns/call # 3 times (1µs+0s) by Exporter::Heavy::heavy_export at line 105, avg 433ns/call # 3 times (1µs+0s) by Exporter::Heavy::__ANON__[/usr/share/perl/5.18/Exporter/Heavy.pm:44] at line 42, avg 400ns/call
sub Exporter::Heavy::CORE:match; # opcode
# spent 260µs within Exporter::Heavy::CORE:subst which was called 1694 times, avg 154ns/call: # 1037 times (83µs+0s) by Exporter::Heavy::_rebuild_cache at line 20, avg 80ns/call # 647 times (170µs+0s) by Exporter::Heavy::heavy_export at line 180, avg 263ns/call # 3 times (4µs+0s) by Exporter::Heavy::heavy_export at line 67, avg 1µs/call # 3 times (1µs+0s) by Exporter::Heavy::heavy_export at line 105, avg 467ns/call # 3 times (1µs+0s) by Exporter::Heavy::heavy_export at line 65, avg 367ns/call # once (400ns+0s) by Exporter::Heavy::_rebuild_cache at line 16
sub Exporter::Heavy::CORE:subst; # opcode