← Index
NYTProf Performance Profile   « block view • line view • sub view »
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 17:11:21 2013

Filename/usr/lib/perl/5.10/XSLoader.pm
StatementsExecuted 0 statements in 43µs
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
21212110.9ms10.9msXSLoader::::loadXSLoader::load
0000s0sXSLoader::::bootstrap_inheritXSLoader::bootstrap_inherit
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments
Time
on line
Calls Time
in subs
Code
1# Generated from XSLoader.pm.PL (resolved %Config::Config value)
2
3package XSLoader;
4
5$VERSION = "0.10";
6
7#use strict;
8
9# enable debug/trace messages from DynaLoader perl code
10# $dl_debug = $ENV{PERL_DL_DEBUG} || 0 unless defined $dl_debug;
11
12 my $dl_dlext = 'so';
13
14package DynaLoader;
15
16# No prizes for guessing why we don't say 'bootstrap DynaLoader;' here.
17# NOTE: All dl_*.xs (including dl_none.xs) define a dl_error() XSUB
18boot_DynaLoader('DynaLoader') if defined(&boot_DynaLoader) &&
19 !defined(&dl_error);
20package XSLoader;
21
22
# spent 10.9ms (10.9+70µs) within XSLoader::load which was called 21 times, avg 521µs/call: # once (3.47ms+0s) by C4::Context::BEGIN@4 at line 10 of Net/Z3950/ZOOM.pm # once (1.29ms+0s) by JSON::PP::BEGIN@11 at line 318 of B.pm # once (636µs+0s) by C4::Context::BEGIN@106 at line 36 of POSIX.pm # once (465µs+0s) by MARC::Charset::Table::BEGIN@37 at line 84 of GDBM_File.pm # once (383µs+70µs) by Cache::Memcached::BEGIN@21 at line 10 of Encode.pm # once (423µs+0s) by Cache::Memcached::BEGIN@15 at line 240 of Socket.pm # once (397µs+0s) by Compress::Zlib::BEGIN@12 at line 91 of Compress/Raw/Zlib.pm # once (395µs+0s) by IO::Handle::BEGIN@9 at line 11 of IO.pm # once (345µs+0s) by Compress::Zlib::BEGIN@9 at line 27 of List/Util.pm # once (339µs+0s) by Params::Check::BEGIN@8 at line 36 of Data/Dumper.pm # once (331µs+0s) by Fcntl::BEGIN@159 at line 160 of Fcntl.pm # once (291µs+0s) by C4::Auth::BEGIN@22 at line 24 of Digest/MD5.pm # once (270µs+0s) by Params::Validate::BEGIN@5 at line 7 of Params/ValidateXS.pm # once (257µs+0s) by DateTime::BEGIN@14 at line 20 of DateTime.pm # once (250µs+0s) by Readonly::BEGIN@2 at line 25 of Readonly/XS.pm # once (248µs+0s) by Sys::Hostname::BEGIN@17 at line 23 of Sys/Hostname.pm # once (240µs+0s) by C4::Letters::BEGIN@23 at line 13 of MIME/Base64.pm # once (236µs+0s) by YAML::Syck::BEGIN@15 at line 26 of YAML/Syck.pm # once (210µs+0s) by File::Path::BEGIN@6 at line 80 of Cwd.pm # once (203µs+0s) by Modern::Perl::BEGIN@20 at line 41 of mro.pm # once (187µs+0s) by File::GlobMapper::BEGIN@10 at line 96 of File/Glob.pm
sub load {
23 package DynaLoader;
24
25 die q{XSLoader::load('Your::Module', $Your::Module::VERSION)} unless @_;
26
27 my($module) = $_[0];
28
29 # work with static linking too
30 my $boots = "$module\::bootstrap";
31 goto &$boots if defined &$boots;
32
33 goto retry unless $module and defined &dl_load_file;
34
35 my @modparts = split(/::/,$module);
36 my $modfname = $modparts[-1];
37
38 my $modpname = join('/',@modparts);
39 my $modlibname = (caller())[1];
40 my $c = @modparts;
41 $modlibname =~ s,[\\/][^\\/]+$,, while $c--; # Q&D basename
42 my $file = "$modlibname/auto/$modpname/$modfname.$dl_dlext";
43
44# print STDERR "XSLoader::load for $module ($file)\n" if $dl_debug;
45
46 my $bs = $file;
47 $bs =~ s/(\.\w+)?(;\d*)?$/\.bs/; # look for .bs 'beside' the library
48
49 if (-s $bs) { # only read file if it's not empty
50# print STDERR "BS: $bs ($^O, $dlsrc)\n" if $dl_debug;
51 eval { do $bs; };
52 warn "$bs: $@\n" if $@;
53 }
54
55 goto retry if not -f $file or -s $bs;
56
57 my $bootname = "boot_$module";
58 $bootname =~ s/\W/_/g;
59 @DynaLoader::dl_require_symbols = ($bootname);
60
61 my $boot_symbol_ref;
62
63 # Many dynamic extension loading problems will appear to come from
64 # this section of code: XYZ failed at line 123 of DynaLoader.pm.
65 # Often these errors are actually occurring in the initialisation
66 # C code of the extension XS file. Perl reports the error as being
67 # in this perl code simply because this was the last perl code
68 # it executed.
69
70 my $libref = dl_load_file($file, 0) or do {
71 require Carp;
72 Carp::croak("Can't load '$file' for module $module: " . dl_error());
73 };
74 push(@DynaLoader::dl_librefs,$libref); # record loaded object
75
76 my @unresolved = dl_undef_symbols();
77 if (@unresolved) {
78 require Carp;
79 Carp::carp("Undefined symbols present after loading $file: @unresolved\n");
80 }
81
82 $boot_symbol_ref = dl_find_symbol($libref, $bootname) or do {
83 require Carp;
84 Carp::croak("Can't find '$bootname' symbol in $file\n");
85 };
86
87 push(@DynaLoader::dl_modules, $module); # record loaded module
88
89 boot:
90 my $xs = dl_install_xsub($boots, $boot_symbol_ref, $file);
91
92 # See comment block above
93 push(@DynaLoader::dl_shared_objects, $file); # record files loaded
94143µs470µs return &$xs(@_);
# spent 70µs making 4 calls to Encode::define_encoding, avg 17µs/call
95
96 retry:
97 my $bootstrap_inherit = DynaLoader->can('bootstrap_inherit') ||
98 XSLoader->can('bootstrap_inherit');
99 goto &$bootstrap_inherit;
100}
101
102# Versions of DynaLoader prior to 5.6.0 don't have this function.
103sub bootstrap_inherit {
104 package DynaLoader;
105
106 my $module = $_[0];
107 local *DynaLoader::isa = *{"$module\::ISA"};
108 local @DynaLoader::isa = (@DynaLoader::isa, 'DynaLoader');
109 # Cannot goto due to delocalization. Will report errors on a wrong line?
110 require DynaLoader;
111 DynaLoader::bootstrap(@_);
112}
113
1141;
115
116__END__
117