| Filename | /usr/share/perl/5.18/AutoLoader.pm |
| Statements | Executed 147 statements in 2.31ms |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 3 | 1 | 1 | 664µs | 964µs | AutoLoader::autoload_sub |
| 3 | 3 | 3 | 313µs | 374µs | AutoLoader::import |
| 3 | 1 | 1 | 69µs | 136µs | AutoLoader::find_filename |
| 6 | 2 | 1 | 43µs | 43µs | AutoLoader::CORE:regcomp (opcode) |
| 15 | 7 | 1 | 37µs | 37µs | AutoLoader::CORE:subst (opcode) |
| 3 | 1 | 1 | 26µs | 26µs | AutoLoader::CORE:fteread (opcode) |
| 3 | 3 | 2 | 24µs | 988µs | AutoLoader::AUTOLOAD |
| 9 | 4 | 1 | 22µs | 22µs | AutoLoader::CORE:match (opcode) |
| 1 | 1 | 1 | 12µs | 24µs | AutoLoader::BEGIN@3 |
| 1 | 1 | 1 | 10µs | 10µs | AutoLoader::BEGIN@4 |
| 1 | 1 | 1 | 7µs | 22µs | AutoLoader::BEGIN@146 |
| 1 | 1 | 1 | 7µs | 18µs | AutoLoader::BEGIN@194 |
| 12 | 2 | 1 | 7µs | 7µs | AutoLoader::CORE:substcont (opcode) |
| 1 | 1 | 1 | 6µs | 17µs | AutoLoader::BEGIN@37 |
| 1 | 1 | 1 | 6µs | 6µs | AutoLoader::BEGIN@13 |
| 0 | 0 | 0 | 0s | 0s | AutoLoader::__ANON__[:38] |
| 0 | 0 | 0 | 0s | 0s | AutoLoader::unimport |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package AutoLoader; | ||||
| 2 | |||||
| 3 | 2 | 24µs | 2 | 35µs | # spent 24µs (12+12) within AutoLoader::BEGIN@3 which was called:
# once (12µs+12µs) by NetAddr::IP::InetBase::BEGIN@9 at line 3 # spent 24µs making 1 call to AutoLoader::BEGIN@3
# spent 12µs making 1 call to strict::import |
| 4 | 2 | 114µs | 1 | 10µs | # spent 10µs within AutoLoader::BEGIN@4 which was called:
# once (10µs+0s) by NetAddr::IP::InetBase::BEGIN@9 at line 4 # spent 10µs making 1 call to AutoLoader::BEGIN@4 |
| 5 | |||||
| 6 | 1 | 200ns | our($VERSION, $AUTOLOAD); | ||
| 7 | |||||
| 8 | 1 | 200ns | my $is_dosish; | ||
| 9 | 1 | 100ns | my $is_epoc; | ||
| 10 | 1 | 0s | my $is_vms; | ||
| 11 | 1 | 0s | my $is_macos; | ||
| 12 | |||||
| 13 | # spent 6µs within AutoLoader::BEGIN@13 which was called:
# once (6µs+0s) by NetAddr::IP::InetBase::BEGIN@9 at line 19 | ||||
| 14 | 1 | 2µs | $is_dosish = $^O eq 'dos' || $^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'NetWare'; | ||
| 15 | 1 | 300ns | $is_epoc = $^O eq 'epoc'; | ||
| 16 | 1 | 200ns | $is_vms = $^O eq 'VMS'; | ||
| 17 | 1 | 300ns | $is_macos = $^O eq 'MacOS'; | ||
| 18 | 1 | 4µs | $VERSION = '5.73'; | ||
| 19 | 1 | 105µs | 1 | 6µs | } # spent 6µs making 1 call to AutoLoader::BEGIN@13 |
| 20 | |||||
| 21 | # spent 988µs (24+964) within AutoLoader::AUTOLOAD which was called 3 times, avg 329µs/call:
# once (7µs+407µs) by NetAddr::IP::Lite::BEGIN@9 at line 81 of NetAddr/IP/InetBase.pm
# once (8µs+393µs) by NetAddr::IP::InetBase::inet_any2n at line 490 of NetAddr/IP/InetBase.pm
# once (9µs+164µs) by NetAddr::IP::BEGIN@8 at line 649 of NetAddr/IP/Lite.pm | ||||
| 22 | 3 | 1µs | my $sub = $AUTOLOAD; | ||
| 23 | 3 | 2µs | 3 | 964µs | autoload_sub($sub); # spent 964µs making 3 calls to AutoLoader::autoload_sub, avg 321µs/call |
| 24 | 2 | 12µs | 2 | 552µs | goto &$sub; # spent 483µs making 1 call to NetAddr::IP::InetBase::inet_any2n
# spent 70µs making 1 call to NetAddr::IP::InetBase::ipv6_aton |
| 25 | } | ||||
| 26 | |||||
| 27 | # spent 964µs (664+300) within AutoLoader::autoload_sub which was called 3 times, avg 321µs/call:
# 3 times (664µs+300µs) by AutoLoader::AUTOLOAD at line 23, avg 321µs/call | ||||
| 28 | 3 | 900ns | my $sub = shift; | ||
| 29 | |||||
| 30 | 3 | 3µs | 3 | 136µs | my $filename = AutoLoader::find_filename( $sub ); # spent 136µs making 3 calls to AutoLoader::find_filename, avg 45µs/call |
| 31 | |||||
| 32 | 3 | 600ns | my $save = $@; | ||
| 33 | 3 | 127µs | local $!; # Do not munge the value. | ||
| 34 | 9 | 500µs | eval { local $SIG{__DIE__}; require $filename }; | ||
| 35 | 3 | 700ns | if ($@) { | ||
| 36 | 1 | 10µs | 1 | 2µs | if (substr($sub,-9) eq '::DESTROY') { # spent 2µs making 1 call to AutoLoader::CORE:match |
| 37 | 2 | 535µs | 2 | 27µs | # spent 17µs (6+10) within AutoLoader::BEGIN@37 which was called:
# once (6µs+10µs) by NetAddr::IP::InetBase::BEGIN@9 at line 37 # spent 17µs making 1 call to AutoLoader::BEGIN@37
# spent 10µs making 1 call to strict::unimport |
| 38 | *$sub = sub {}; | ||||
| 39 | $@ = undef; | ||||
| 40 | } elsif ($@ =~ /^Can't locate/) { | ||||
| 41 | # The load might just have failed because the filename was too | ||||
| 42 | # long for some old SVR3 systems which treat long names as errors. | ||||
| 43 | # If we can successfully truncate a long name then it's worth a go. | ||||
| 44 | # There is a slight risk that we could pick up the wrong file here | ||||
| 45 | # but autosplit should have warned about that when splitting. | ||||
| 46 | 1 | 7µs | 1 | 4µs | if ($filename =~ s/(\w{12,})\.al$/substr($1,0,11).".al"/e){ # spent 4µs making 1 call to AutoLoader::CORE:subst |
| 47 | eval { local $SIG{__DIE__}; require $filename }; | ||||
| 48 | } | ||||
| 49 | } | ||||
| 50 | 1 | 100ns | if ($@){ | ||
| 51 | 1 | 4µs | 1 | 2µs | $@ =~ s/ at .*\n//; # spent 2µs making 1 call to AutoLoader::CORE:subst |
| 52 | 1 | 500ns | my $error = $@; | ||
| 53 | 1 | 300ns | require Carp; | ||
| 54 | 1 | 2µs | 1 | 156µs | Carp::croak($error); # spent 156µs making 1 call to Carp::croak |
| 55 | } | ||||
| 56 | } | ||||
| 57 | 2 | 600ns | $@ = $save; | ||
| 58 | |||||
| 59 | 2 | 10µs | return 1; | ||
| 60 | } | ||||
| 61 | |||||
| 62 | # spent 136µs (69+67) within AutoLoader::find_filename which was called 3 times, avg 45µs/call:
# 3 times (69µs+67µs) by AutoLoader::autoload_sub at line 30, avg 45µs/call | ||||
| 63 | 3 | 700ns | my $sub = shift; | ||
| 64 | 3 | 300ns | my $filename; | ||
| 65 | # Braces used to preserve $1 et al. | ||||
| 66 | { | ||||
| 67 | # Try to find the autoloaded file from the package-qualified | ||||
| 68 | # name of the sub. e.g., if the sub needed is | ||||
| 69 | # Getopt::Long::GetOptions(), then $INC{Getopt/Long.pm} is | ||||
| 70 | # something like '/usr/lib/perl5/Getopt/Long.pm', and the | ||||
| 71 | # autoload file is '/usr/lib/perl5/auto/Getopt/Long/GetOptions.al'. | ||||
| 72 | # | ||||
| 73 | # However, if @INC is a relative path, this might not work. If, | ||||
| 74 | # for example, @INC = ('lib'), then $INC{Getopt/Long.pm} is | ||||
| 75 | # 'lib/Getopt/Long.pm', and we want to require | ||||
| 76 | # 'auto/Getopt/Long/GetOptions.al' (without the leading 'lib'). | ||||
| 77 | # In this case, we simple prepend the 'auto/' and let the | ||||
| 78 | # C<require> take care of the searching for us. | ||||
| 79 | |||||
| 80 | 6 | 20µs | 3 | 10µs | my ($pkg,$func) = ($sub =~ /(.*)::([^:]+)$/); # spent 10µs making 3 calls to AutoLoader::CORE:match, avg 3µs/call |
| 81 | 3 | 12µs | 3 | 6µs | $pkg =~ s#::#/#g; # spent 6µs making 3 calls to AutoLoader::CORE:subst, avg 2µs/call |
| 82 | 3 | 4µs | if (defined($filename = $INC{"$pkg.pm"})) { | ||
| 83 | 3 | 1µs | if ($is_macos) { | ||
| 84 | $pkg =~ tr#/#:#; | ||||
| 85 | $filename = undef | ||||
| 86 | unless $filename =~ s#^(.*)$pkg\.pm\z#$1auto:$pkg:$func.al#s; | ||||
| 87 | } else { | ||||
| 88 | 3 | 44µs | 12 | 20µs | $filename = undef # spent 12µs making 3 calls to AutoLoader::CORE:regcomp, avg 4µs/call
# spent 5µs making 3 calls to AutoLoader::CORE:subst, avg 2µs/call
# spent 3µs making 6 calls to AutoLoader::CORE:substcont, avg 533ns/call |
| 89 | unless $filename =~ s#^(.*)$pkg\.pm\z#$1auto/$pkg/$func.al#s; | ||||
| 90 | } | ||||
| 91 | |||||
| 92 | # if the file exists, then make sure that it is a | ||||
| 93 | # a fully anchored path (i.e either '/usr/lib/auto/foo/bar.al', | ||||
| 94 | # or './lib/auto/foo/bar.al'. This avoids C<require> searching | ||||
| 95 | # (and failing) to find the 'lib/auto/foo/bar.al' because it | ||||
| 96 | # looked for 'lib/lib/auto/foo/bar.al', given @INC = ('lib'). | ||||
| 97 | |||||
| 98 | 3 | 35µs | 3 | 26µs | if (defined $filename and -r $filename) { # spent 26µs making 3 calls to AutoLoader::CORE:fteread, avg 9µs/call |
| 99 | 2 | 6µs | 2 | 2µs | unless ($filename =~ m|^/|s) { # spent 2µs making 2 calls to AutoLoader::CORE:match, avg 1µs/call |
| 100 | if ($is_dosish) { | ||||
| 101 | unless ($filename =~ m{^([a-z]:)?[\\/]}is) { | ||||
| 102 | if ($^O ne 'NetWare') { | ||||
| 103 | $filename = "./$filename"; | ||||
| 104 | } else { | ||||
| 105 | $filename = "$filename"; | ||||
| 106 | } | ||||
| 107 | } | ||||
| 108 | } | ||||
| 109 | elsif ($is_epoc) { | ||||
| 110 | unless ($filename =~ m{^([a-z?]:)?[\\/]}is) { | ||||
| 111 | $filename = "./$filename"; | ||||
| 112 | } | ||||
| 113 | } | ||||
| 114 | elsif ($is_vms) { | ||||
| 115 | # XXX todo by VMSmiths | ||||
| 116 | $filename = "./$filename"; | ||||
| 117 | } | ||||
| 118 | elsif (!$is_macos) { | ||||
| 119 | $filename = "./$filename"; | ||||
| 120 | } | ||||
| 121 | } | ||||
| 122 | } | ||||
| 123 | else { | ||||
| 124 | 1 | 400ns | $filename = undef; | ||
| 125 | } | ||||
| 126 | } | ||||
| 127 | 3 | 2µs | unless (defined $filename) { | ||
| 128 | # let C<require> do the searching | ||||
| 129 | 1 | 700ns | $filename = "auto/$sub.al"; | ||
| 130 | 1 | 5µs | 1 | 2µs | $filename =~ s#::#/#g; # spent 2µs making 1 call to AutoLoader::CORE:subst |
| 131 | } | ||||
| 132 | } | ||||
| 133 | 3 | 8µs | return $filename; | ||
| 134 | } | ||||
| 135 | |||||
| 136 | # spent 374µs (313+60) within AutoLoader::import which was called 3 times, avg 125µs/call:
# once (142µs+19µs) by NetAddr::IP::BEGIN@23 at line 23 of NetAddr/IP.pm
# once (112µs+23µs) by NetAddr::IP::InetBase::BEGIN@9 at line 9 of NetAddr/IP/InetBase.pm
# once (59µs+18µs) by NetAddr::IP::Util::BEGIN@9 at line 9 of NetAddr/IP/Util.pm | ||||
| 137 | 3 | 1µs | my $pkg = shift; | ||
| 138 | 3 | 2µs | my $callpkg = caller; | ||
| 139 | |||||
| 140 | # | ||||
| 141 | # Export symbols, but not by accident of inheritance. | ||||
| 142 | # | ||||
| 143 | |||||
| 144 | 3 | 2µs | if ($pkg eq 'AutoLoader') { | ||
| 145 | 3 | 20µs | 3 | 8µs | if ( @_ and $_[0] =~ /^&?AUTOLOAD$/ ) { # spent 8µs making 3 calls to AutoLoader::CORE:match, avg 3µs/call |
| 146 | 2 | 248µs | 2 | 38µs | # spent 22µs (7+15) within AutoLoader::BEGIN@146 which was called:
# once (7µs+15µs) by NetAddr::IP::InetBase::BEGIN@9 at line 146 # spent 22µs making 1 call to AutoLoader::BEGIN@146
# spent 15µs making 1 call to strict::unimport |
| 147 | 3 | 9µs | *{ $callpkg . '::AUTOLOAD' } = \&AUTOLOAD; | ||
| 148 | } | ||||
| 149 | } | ||||
| 150 | |||||
| 151 | # | ||||
| 152 | # Try to find the autosplit index file. Eg., if the call package | ||||
| 153 | # is POSIX, then $INC{POSIX.pm} is something like | ||||
| 154 | # '/usr/local/lib/perl5/POSIX.pm', and the autosplit index file is in | ||||
| 155 | # '/usr/local/lib/perl5/auto/POSIX/autosplit.ix', so we require that. | ||||
| 156 | # | ||||
| 157 | # However, if @INC is a relative path, this might not work. If, | ||||
| 158 | # for example, @INC = ('lib'), then | ||||
| 159 | # $INC{POSIX.pm} is 'lib/POSIX.pm', and we want to require | ||||
| 160 | # 'auto/POSIX/autosplit.ix' (without the leading 'lib'). | ||||
| 161 | # | ||||
| 162 | |||||
| 163 | 3 | 14µs | 3 | 7µs | (my $calldir = $callpkg) =~ s#::#/#g; # spent 7µs making 3 calls to AutoLoader::CORE:subst, avg 2µs/call |
| 164 | 3 | 2µs | my $path = $INC{$calldir . '.pm'}; | ||
| 165 | 3 | 15µs | if (defined($path)) { | ||
| 166 | # Try absolute path name, but only eval it if the | ||||
| 167 | # transformation from module path to autosplit.ix path | ||||
| 168 | # succeeded! | ||||
| 169 | 3 | 300ns | my $replaced_okay; | ||
| 170 | 3 | 1µs | if ($is_macos) { | ||
| 171 | (my $malldir = $calldir) =~ tr#/#:#; | ||||
| 172 | $replaced_okay = ($path =~ s#^(.*)$malldir\.pm\z#$1auto:$malldir:autosplit.ix#s); | ||||
| 173 | } else { | ||||
| 174 | 3 | 74µs | 12 | 46µs | $replaced_okay = ($path =~ s#^(.*)$calldir\.pm\z#$1auto/$calldir/autosplit.ix#); # spent 31µs making 3 calls to AutoLoader::CORE:regcomp, avg 10µs/call
# spent 11µs making 3 calls to AutoLoader::CORE:subst, avg 4µs/call
# spent 4µs making 6 calls to AutoLoader::CORE:substcont, avg 683ns/call |
| 175 | } | ||||
| 176 | |||||
| 177 | 6 | 233µs | eval { require $path; } if $replaced_okay; | ||
| 178 | # If that failed, try relative path with normal @INC searching. | ||||
| 179 | 3 | 1µs | if (!$replaced_okay or $@) { | ||
| 180 | $path ="auto/$calldir/autosplit.ix"; | ||||
| 181 | eval { require $path; }; | ||||
| 182 | } | ||||
| 183 | 3 | 1µs | if ($@) { | ||
| 184 | my $error = $@; | ||||
| 185 | require Carp; | ||||
| 186 | Carp::carp($error); | ||||
| 187 | } | ||||
| 188 | } | ||||
| 189 | } | ||||
| 190 | |||||
| 191 | sub unimport { | ||||
| 192 | my $callpkg = caller; | ||||
| 193 | |||||
| 194 | 2 | 80µs | 2 | 29µs | # spent 18µs (7+11) within AutoLoader::BEGIN@194 which was called:
# once (7µs+11µs) by NetAddr::IP::InetBase::BEGIN@9 at line 194 # spent 18µs making 1 call to AutoLoader::BEGIN@194
# spent 11µs making 1 call to strict::unimport |
| 195 | |||||
| 196 | for my $exported (qw( AUTOLOAD )) { | ||||
| 197 | my $symname = $callpkg . '::' . $exported; | ||||
| 198 | undef *{ $symname } if \&{ $symname } == \&{ $exported }; | ||||
| 199 | *{ $symname } = \&{ $symname }; | ||||
| 200 | } | ||||
| 201 | } | ||||
| 202 | |||||
| 203 | 1 | 4µs | 1; | ||
| 204 | |||||
| 205 | __END__ | ||||
# spent 26µs within AutoLoader::CORE:fteread which was called 3 times, avg 9µs/call:
# 3 times (26µs+0s) by AutoLoader::find_filename at line 98, avg 9µs/call | |||||
# spent 22µs within AutoLoader::CORE:match which was called 9 times, avg 2µs/call:
# 3 times (10µs+0s) by AutoLoader::find_filename at line 80, avg 3µs/call
# 3 times (8µs+0s) by AutoLoader::import at line 145, avg 3µs/call
# 2 times (2µs+0s) by AutoLoader::find_filename at line 99, avg 1µs/call
# once (2µs+0s) by AutoLoader::autoload_sub at line 36 | |||||
sub AutoLoader::CORE:regcomp; # opcode | |||||
# spent 37µs within AutoLoader::CORE:subst which was called 15 times, avg 2µs/call:
# 3 times (11µs+0s) by AutoLoader::import at line 174, avg 4µs/call
# 3 times (7µs+0s) by AutoLoader::import at line 163, avg 2µs/call
# 3 times (6µs+0s) by AutoLoader::find_filename at line 81, avg 2µs/call
# 3 times (5µs+0s) by AutoLoader::find_filename at line 88, avg 2µs/call
# once (4µs+0s) by AutoLoader::autoload_sub at line 46
# once (2µs+0s) by AutoLoader::find_filename at line 130
# once (2µs+0s) by AutoLoader::autoload_sub at line 51 | |||||
sub AutoLoader::CORE:substcont; # opcode |