Profile of if.pm

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NYTProf Performance Profile «line view»
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/if.pm
Statements | Executed 46 statements in 554µs

Subroutines
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
4 | 1 | 1 | 959µs | 1.00ms | if::::workif::work
4 | 4 | 3 | 12µs | 12µs | if::::importif::import
4 | 1 | 1 | 7µs | 7µs | if::::CORE:substif::CORE:subst (opcode)
0 | 0 | 0 | 0s | 0s | if::::unimportif::unimport

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

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  | package if;
2 |  |  |  |  |
3 | 1 | 400ns |  |  | $VERSION = '0.0602';
4 |  |  |  |  |
5 |  |  |  |  | # spent 1.00ms (959µs+44µs) within if::work which was called 4 times, avg 251µs/call: # 4 times (959µs+44µs) by Devel::InnerPackage::BEGIN@7 or Module::Pluggable::Object::BEGIN@11 or Moose::Object::BEGIN@15 or Moose::Object::BEGIN@16 at line 18, avg 251µs/call sub work {
6 | 4 | 2µs |  |  | my $method = shift() ? 'import' : 'unimport';
7 | 4 | 1µs |  |  | die "Too few arguments to 'use if' (some code returning an empty list in list context?)"
8 |  |  |  |  | unless @_ >= 2;
9 | 4 | 700ns |  |  | return unless shift; # CONDITION
10 |  |  |  |  |
11 | 4 | 1µs |  |  | my $p = $_[0]; # PACKAGE
12 | 4 | 16µs | 4 | 7µs | (my $file = "$p.pm") =~ s!::!/!g; # spent 7µs making 4 calls to if::CORE:subst, avg 2µs/call
13 | 4 | 453µs |  |  | require $file; # Works even if $_[0] is a keyword (like open)
14 | 4 | 34µs | 4 | 7µs | my $m = $p->can($method); # spent 7µs making 4 calls to UNIVERSAL::can, avg 2µs/call
15 | 4 | 15µs | 3 | 1.89ms | goto &$m if $m; # spent 1.74ms making 1 call to metaclass::import # spent 145µs making 2 calls to deprecate::import, avg 73µs/call
16 |  |  |  |  | }
17 |  |  |  |  |
18 | 12 | 28µs | 4 | 1.00ms | # spent 12µs within if::import which was called 4 times, avg 3µs/call: # once (5µs+0s) by Moose::Object::BEGIN@15 at line 15 of Moose/Object.pm # once (4µs+0s) by Devel::InnerPackage::BEGIN@7 at line 7 of Devel/InnerPackage.pm # once (2µs+0s) by Module::Pluggable::Object::BEGIN@11 at line 11 of Module/Pluggable/Object.pm # once (2µs+0s) by Moose::Object::BEGIN@16 at line 16 of Moose/Object.pm sub import { shift; unshift @_, 1; goto &work } # spent 1.00ms making 4 calls to if::work, avg 251µs/call
19 |  |  |  |  | sub unimport { shift; unshift @_, 0; goto &work }
20 |  |  |  |  |
21 | 1 | 2µs |  |  | 1;
22 |  |  |  |  | __END__
|  |  |  |  | # spent 7µs within if::CORE:subst which was called 4 times, avg 2µs/call: # 4 times (7µs+0s) by if::work at line 12, avg 2µs/call sub if::CORE:subst; # opcode