Profile of IO/File.pm

Filename	/usr/lib/perl/5.10/IO/File.pm
Statements	Executed 62 statements in 1.86ms

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	2.04ms	2.23ms	IO::File::::BEGIN@12IO::File::BEGIN@12
1	1	1	946µs	1.05ms	IO::File::::BEGIN@9IO::File::BEGIN@9
1	1	1	629µs	6.62ms	IO::File::::BEGIN@11IO::File::BEGIN@11
1	1	1	360µs	524µs	IO::File::::BEGIN@10IO::File::BEGIN@10
3	1	1	244µs	244µs	IO::File::::CORE:openIO::File::CORE:open (opcode)
3	2	2	118µs	482µs	IO::File::::newIO::File::new
3	2	2	75µs	319µs	IO::File::::openIO::File::open
1	1	1	42µs	42µs	IO::File::::BEGIN@5IO::File::BEGIN@5
68	1	1	41µs	41µs	IO::File::::CORE:matchIO::File::CORE:match (opcode)
1	1	1	25µs	106µs	IO::File::::BEGIN@8IO::File::BEGIN@8
1	1	1	13µs	18µs	IO::File::::BEGIN@6IO::File::BEGIN@6
0	0	0	0s	0s	IO::File::::binmodeIO::File::binmode

Call graph for these subroutines as a Graphviz dot language file.

Line	State ments	Time on line	Calls	Time in subs	Code
1					#
2
3					package IO::File;
4
5	3	65µs	1	42µs	# spent 42µs within IO::File::BEGIN@5 which was called: # once (42µs+0s) by C4::Context::BEGIN@3 at line 5 use 5.006_001; # spent 42µs making 1 call to IO::File::BEGIN@5
6	3	79µs	2	23µs	# spent 18µs (13+5) within IO::File::BEGIN@6 which was called: # once (13µs+5µs) by C4::Context::BEGIN@3 at line 6 use strict; # spent 18µs making 1 call to IO::File::BEGIN@6 # spent 5µs making 1 call to strict::import
7	1	1µs			our($VERSION, @EXPORT, @EXPORT_OK, @ISA);
8	3	47µs	2	188µs	# spent 106µs (25+81) within IO::File::BEGIN@8 which was called: # once (25µs+81µs) by C4::Context::BEGIN@3 at line 8 use Carp; # spent 106µs making 1 call to IO::File::BEGIN@8 # spent 81µs making 1 call to Exporter::import
9	3	168µs	2	1.13ms	# spent 1.05ms (946µs+107µs) within IO::File::BEGIN@9 which was called: # once (946µs+107µs) by C4::Context::BEGIN@3 at line 9 use Symbol; # spent 1.05ms making 1 call to IO::File::BEGIN@9 # spent 75µs making 1 call to Exporter::import
10	3	186µs	1	524µs	# spent 524µs (360+165) within IO::File::BEGIN@10 which was called: # once (360µs+165µs) by C4::Context::BEGIN@3 at line 10 use SelectSaver; # spent 524µs making 1 call to IO::File::BEGIN@10
11	3	166µs	2	6.69ms	# spent 6.62ms (629µs+5.99) within IO::File::BEGIN@11 which was called: # once (629µs+5.99ms) by C4::Context::BEGIN@3 at line 11 use IO::Seekable; # spent 6.62ms making 1 call to IO::File::BEGIN@11 # spent 69µs making 1 call to Exporter::import
12	3	516µs	1	2.23ms	# spent 2.23ms (2.04+188µs) within IO::File::BEGIN@12 which was called: # once (2.04ms+188µs) by C4::Context::BEGIN@3 at line 12 use File::Spec; # spent 2.23ms making 1 call to IO::File::BEGIN@12
13
14	1	1µs			require Exporter;
15
16	1	26µs			@ISA = qw(IO::Handle IO::Seekable Exporter);
17
18	1	400ns			$VERSION = "1.14";
19
20	1	2µs			@EXPORT = @IO::Seekable::EXPORT;
21
22	5	158µs			eval {
23					# Make all Fcntl O_XXX constants available for importing
24					require Fcntl;
25			68	41µs	my @O = grep /^O_/, @Fcntl::EXPORT; # spent 41µs making 68 calls to IO::File::CORE:match, avg 596ns/call
26			1	208µs	Fcntl->import(@O); # first we import what we want to export # spent 208µs making 1 call to Exporter::import
27					push(@EXPORT, @O);
28					};
29
30					################################################
31					## Constructor
32					##
33
34					# spent 482µs (118+364) within IO::File::new which was called 3 times, avg 161µs/call: # 2 times (81µs+71µs) by Date::Manip::TZ::_get_curr_zone at line 415 of Date/Manip/TZ.pm, avg 76µs/call # once (37µs+293µs) by ZOOM::Query::CCL2RPN::new at line 642 of ZOOM.pm sub new {
35	18	111µs			my $type = shift;
36					my $class = ref($type) \|\| $type \|\| "IO::File";
37					@_ >= 0 && @_ <= 3
38					or croak "usage: new $class [FILENAME [,MODE [,PERMS]]]";
39			3	141µs	my $fh = $class->SUPER::new(); # spent 141µs making 3 calls to IO::Handle::new, avg 47µs/call
40			1	223µs	if (@_) { # spent 223µs making 1 call to IO::File::open
41					$fh->open(@_)
42					or return undef;
43					}
44					$fh;
45					}
46
47					################################################
48					## Open
49					##
50
51					# spent 319µs (75+244) within IO::File::open which was called 3 times, avg 106µs/call: # 2 times (27µs+69µs) by Date::Manip::TZ::_get_curr_zone at line 416 of Date/Manip/TZ.pm, avg 48µs/call # once (49µs+174µs) by IO::File::new at line 40 sub open {
52	12	324µs			@_ >= 2 && @_ <= 4 or croak 'usage: $fh->open(FILENAME [,MODE [,PERMS]])';
53					my ($fh, $file) = @_;
54					if (@_ > 2) {
55					my ($mode, $perms) = @_[2, 3];
56					if ($mode =~ /^\d+$/) {
57					defined $perms or $perms = 0666;
58					return sysopen($fh, $file, $mode, $perms);
59					} elsif ($mode =~ /:/) {
60					return open($fh, $mode, $file) if @_ == 3;
61					croak 'usage: $fh->open(FILENAME, IOLAYERS)';
62					} else {
63					return open($fh, IO::Handle::_open_mode_string($mode), $file);
64					}
65					}
66			3	244µs	open($fh, $file); # spent 244µs making 3 calls to IO::File::CORE:open, avg 81µs/call
67					}
68
69					################################################
70					## Binmode
71					##
72
73					sub binmode {
74					( @_ == 1 or @_ == 2 ) or croak 'usage $fh->binmode([LAYER])';
75
76					my($fh, $layer) = @_;
77
78					return binmode $$fh unless $layer;
79					return binmode $$fh, $layer;
80					}
81
82	1	12µs			1;

					# spent 41µs within IO::File::CORE:match which was called 68 times, avg 596ns/call: # 68 times (41µs+0s) by C4::Context::BEGIN@3 at line 25, avg 596ns/call sub IO::File::CORE:match; # opcode
					# spent 244µs within IO::File::CORE:open which was called 3 times, avg 81µs/call: # 3 times (244µs+0s) by IO::File::open at line 66, avg 81µs/call sub IO::File::CORE:open; # opcode