Devel::NYTProf
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Devel::NYTProf

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Devel::NYTProf Devel::NYTProf Presentation Transcript

  • Devel::NYTProf Chia-liang Kao clkao@clkao.org Shibuya.pm#11
  • 自己 介紹
  • 高 嘉良
  • 台湾 人
  • 日本語
  • 日本語 不會
  • Perl 黑客
  • Hate  
  •  
  • “Always profile before optimize”
  • Devel::DProf
  • % perl -d:DProf foo.pl % dprofpp
  • % dprofpp Total Elapsed Time = 2.563600 Seconds User+System Time = 0.703600 Seconds Exclusive Times %Time ExclSec CumulS #Calls sec/call Csec/c Name 6.96 0.049 0.067 15 0.0033 0.0045 Prophet::Replica::sqlite::BEGIN 6.82 0.048 0.049 41 0.0012 0.0012 Mouse::Meta::Method::Constructor:: generate_constructor_method_inline 5.40 0.038 0.038 464 0.0001 0.0001 Params::Validate::_validate 4.97 0.035 0.030 86 0.0004 0.0003 Mouse::Meta::Method::Accessor::gen erate_accessor_method_inline 4.69 0.033 0.043 555 0.0001 0.0001 Prophet::Replica::sqlite::get_reco rd_props 4.12 0.029 0.029 166 0.0002 0.0002 DBI::st::fetchall_arrayref 3.84 0.027 0.035 412 0.0001 0.0001 DateTime::Locale::_registered_id 3.55 0.025 0.077 90 0.0003 0.0009 Mouse::Meta::Attribute::create 2.84 0.020 0.020 6 0.0033 0.0033 Mouse::Meta::Attribute::BEGIN 2.84 0.020 0.154 1 0.0199 0.1537 App::SD::Util::BEGIN 2.56 0.018 0.018 501 0.0000 0.0000 Scalar::Util::blessed 2.27 0.016 0.055 449 0.0000 0.0001 DateTime::Locale::_register 1.42 0.010 0.087 4454 0.0000 0.0000 Mouse::Meta::Method::Accessor::__A NON__ 1.42 0.010 0.010 1 0.0100 0.0100 Config::TIEHASH 1.42 0.010 0.000 41 0.0002 0.0000 Mouse::Meta::Method::Constructor:: _generate_processattrs
  • Sub Level
  • % perl -d:DProf foo.pl
  • % perl -d:DProf foo.pl Segmentation fault.
  • Devel::NYTProf by Tim Bunce
  • DBI 作者
  • Line Level
  • block Level
  • 使用 方法
  • % perl -d:NYTProf foo.pl % nytprofhtml
  • Line
Level
  • Line
Level
  • Line
Level
  • Line
Level
  • Line
Level
  • Even
works with
eval!
  • Use
it!
  • Last Weekend
  • OSDC.TW 台北
  • 小籠包
  • Rasmus showed nice
PHP
 calltree
  • I
want
 that
for
 Perl!
  • Calltree?
  • So
here you
go
  • (Never
make
 a
Perl
 hacker
 jealous)
  • kcachegrind
  • % perl -d:NYTProf foo.pl % nytprofcg % kcachegrind nytprof
  • NYTProf
is
 more
than
 not
 crashing
  • DB::enable_profile(); ..... DB::disable_profile();
  • Per-request Profiling
 for
Jifty
  • Many
more
 goodies
 from
 NYTProf
  • cpan Devel::NYTProf http://code.google.com/p/perl-devel-nytprof/
  • 謝謝!