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package Egg::Util::BenchMark; |
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# |
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# Masatoshi Mizuno E<lt>lusheE<64>cpan.orgE<gt> |
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# |
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# $Id: BenchMark.pm 337 2008-05-14 12:30:09Z lushe $ |
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# |
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use strict; |
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use warnings; |
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use Time::HiRes qw/ gettimeofday tv_interval /; |
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our $VERSION= '3.00'; |
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sub new { |
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my($class, $e)= @_; |
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my $self= bless { e=> $e, report=> [] }, $class; |
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$self->_settime; |
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$self; |
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} |
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sub stock { |
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my($self, $label)= @_; |
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my $elapsed= tv_interval ($self->{is_time} || $self->_settime); |
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push @{$self->{report}}, [$label, ($elapsed || 0)]; |
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$self->_settime; |
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} |
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sub finish { |
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my($self)= @_; |
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my($label, $elapsed); |
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my $format= "* %-18s : %3.6f sec.\n"; |
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my $report= "# >> simple bench = -------------------\n"; |
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my $total= 0; |
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for (@{$self->{report}}) { |
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$total+= $_->[1]; |
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$report.= sprintf $format, @$_; |
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} |
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$report.= sprintf $format, ('======= Total >>', $total); |
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$self->{e}->debug_out |
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("${report}# -------------------------------------\n"); |
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} |
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sub _settime { |
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$_[0]->{is_time}= [gettimeofday]; |
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} |
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1; |
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__END__ |
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=head1 NAME |
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Egg::Util::BenchMark - Easy bench mark class for Egg. |
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=head1 SYNOPSIS |
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my $bench= Egg::Util::BenchMark->new($e); |
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$bench->stock('start'); |
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$bench->stock('run'); |
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$bench->stock('end'); |
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$bench->finish; |
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# ¥×¥í¥¸¥§¥¯¥È¤«¤é»È¤¦¤Ê¤é |
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$e->bench('start'); |
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$e->bench('run'); |
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$e->bench('end'); |
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=head1 DESCRIPTION |
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It is an easy bench mark class used with Debaccmord of Egg. |
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Egg takes the bench mark at each the following method calls while operating by |
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debug mode. |
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=over 4 |
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=item * _prepare |
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=item * _dispatch |
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=item * _action_start |
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=item * _action_end |
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=item * _finalize |
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=item * _output |
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=item * _finish |
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=back |
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And, it totals at the end and the report is output by $e-E<gt>debug_out. |
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In addition, $e-E<gt>bench(LABEL_STRING) comes to be reported about the application |
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to take the bench mark in detail including the result when putting it at every step. |
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When debug mode becomes invalid, arranged $e-E<gt>bench need not be especially |
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excluded because it is changed to the method of not doing anything. |
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This module is set up by L<Egg::Util::Debug>. To use other bench mark classes, |
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it is set to environment variable EGG_BENCH_CLASS. |
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=head1 METHODS |
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=head2 new |
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Constructor. |
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my $bench= Egg::Util::BenchMark->new; |
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=head2 stock |
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The bench mark when called is recorded. |
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$bench->stock('start'); |
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$bench->stock('end'); |
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=head2 finish |
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The data recorded by stock is totaled and the report is returned. |
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print STDERR $bench->finish; |
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=head2 SEE ALSO |
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L<Egg::Release>, |
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L<Egg::Util::Debug>, |
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L<Time::HiRes>, |
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=head1 AUTHOR |
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Masatoshi Mizuno E<lt>lusheE<64>cpan.orgE<gt> |
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=head1 COPYRIGHT AND LICENSE |
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Copyright (C) 2008 Bee Flag, Corp. E<lt>L<http://egg.bomcity.com/>E<gt>. |
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself, either Perl version 5.8.6 or, |
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at your option, any later version of Perl 5 you may have available. |
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=cut |
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