2013/04/12

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vimに起動プロファイラが実装された。
Patch 7.2.269

Patch 7.2.269
Problem:    Many people struggle to find out why Vim startup is slow.
Solution:   Add the --startuptime command line flag.
Files:      runtime/doc/starting.txt, src/globals.h, src/feature.h,
            src/main.c, src/macros.h

http://groups.google.co.jp/group/vim_dev/browse_thread/thread/fcce6570fc7f025c/1ab37514f5656c7b
--startuptime={fname}                                   *--startuptime*
                During startup write timing messages to the file {fname}.
                This can be used to find out where time is spent while loading
                your .vimrc and plugins.
                When {fname} already exists new messages are appended.
                {only when compiled with this feature}
Vim 地味だけどこれは大きい修正だと思う。
これまで遅いvimscriptを見つけ出すには、時間を計測出来る様なスクリプト書いて内部で":source"させるとか、重そうなのを勘で選んでpluginから外してみるとかと言った人間臭いソリューションしかなかったんですが、これで楽に遅いvimscriptを見つけ出せる。
起動時に"--startuptime"オプションを付けるだけです。
# vim --startuptime=foo.log
こんな感じに出力するファイル名を指定すると、以下のファイル(foo.log)が生成される


times in msec
 clock   self+sourced   self:  sourced script
 clock   elapsed:              other lines

000.016  000.016: --- VIM STARTING ---
000.238  000.222: Allocated generic buffers
001.693  001.455: locale set
001.731  000.038: GUI prepared
001.742  000.011: clipboard setup
001.764  000.022: window checked
003.195  001.431: inits 1
003.214  000.019: parsing arguments
003.218  000.004: expanding arguments
003.263  000.045: shell init
010.436  007.173: xsmp init
011.004  000.568: Termcap init
011.102  000.098: inits 2
011.356  000.254: init highlight
012.165  000.537  000.537: sourcing /usr/share/vim/vim72/debian.vim
013.170  000.586  000.586: sourcing /usr/share/vim/vim72/syntax/syncolor.vim
013.469  001.031  000.445: sourcing /usr/share/vim/vim72/syntax/synload.vim
051.935  038.345  038.345: sourcing /usr/share/vim/vim72/filetype.vim
052.067  039.779  000.403: sourcing /usr/share/vim/vim72/syntax/syntax.vim
052.151  040.671  000.355: sourcing $VIM/vimrc
055.440  000.296  000.296: sourcing /usr/share/vim/vim72/syntax/nosyntax.vim
056.259  000.507  000.507: sourcing /usr/share/vim/vim72/syntax/syncolor.vim
056.522  000.920  000.413: sourcing /usr/share/vim/vim72/syntax/synload.vim
056.608  001.570  000.354: sourcing /usr/share/vim/vim72/syntax/syntax.vim
056.747  000.027  000.027: sourcing /usr/share/vim/vim72/filetype.vim
056.967  000.106  000.106: sourcing /usr/share/vim/vim72/ftplugin.vim
057.171  000.092  000.092: sourcing /usr/share/vim/vim72/indent.vim
058.050  005.805  004.010: sourcing $HOME/.vimrc
058.076  000.244: sourcing vimrc file(s)
059.677  001.041  001.041: sourcing /home/mattn/.vim/plugin/autodate.vim
062.523  002.768  002.768: sourcing /home/mattn/.vim/plugin/calendar.vim
086.597  024.004  024.004: sourcing /home/mattn/.vim/plugin/codepad.vim
087.964  001.247  001.247: sourcing /home/mattn/.vim/plugin/dicwin.vim
089.372  001.342  001.342: sourcing /home/mattn/.vim/plugin/fastladder.vim
090.757  001.281  001.281: sourcing /home/mattn/.vim/plugin/gist.vim
092.049  001.227  001.227: sourcing /home/mattn/.vim/plugin/googlereader.vim
094.195  002.080  002.080: sourcing /home/mattn/.vim/plugin/matchit.vim
094.577  000.309  000.309: sourcing /home/mattn/.vim/plugin/perldoc.vim
096.699  002.063  002.063: sourcing /home/mattn/.vim/plugin/quickrun.vim
097.149  000.366  000.366: sourcing /home/mattn/.vim/plugin/sudo.vim
099.234  002.013  002.013: sourcing /home/mattn/.vim/plugin/taglist.vim
100.264  000.964  000.964: sourcing /home/mattn/.vim/plugin/tetris.vim
100.895  000.568  000.568: sourcing /home/mattn/.vim/plugin/verifyenc.vim
101.915  000.275  000.275: sourcing /usr/share/vim/vim72/plugin/getscriptPlugin.vim
102.494  000.517  000.517: sourcing /usr/share/vim/vim72/plugin/gzip.vim
103.116  000.544  000.544: sourcing /usr/share/vim/vim72/plugin/matchparen.vim
104.978  001.798  001.798: sourcing /usr/share/vim/vim72/plugin/netrwPlugin.vim
105.210  000.157  000.157: sourcing /usr/share/vim/vim72/plugin/rrhelper.vim
105.340  000.077  000.077: sourcing /usr/share/vim/vim72/plugin/spellfile.vim
105.814  000.392  000.392: sourcing /usr/share/vim/vim72/plugin/tarPlugin.vim
106.039  000.152  000.152: sourcing /usr/share/vim/vim72/plugin/tohtml.vim
106.482  000.383  000.383: sourcing /usr/share/vim/vim72/plugin/vimballPlugin.vim
106.882  000.344  000.344: sourcing /usr/share/vim/vim72/plugin/zipPlugin.vim
109.159  001.825  001.825: sourcing /home/mattn/.vim/chalice/plugin/alice.vim
109.530  000.301  000.301: sourcing /home/mattn/.vim/chalice/plugin/cacheman.vim
110.813  000.897  000.897: sourcing /home/mattn/.vim/chalice/plugin/datutil.vim
111.379  000.392  000.392: sourcing /home/mattn/.vim/chalice/plugin/dolib.vim
126.889  017.296  016.007: sourcing /home/mattn/.vim/chalice/plugin/chalice.vim
128.028  000.909  000.909: sourcing /home/mattn/.vim/chalice/plugin/datutil.vim
128.470  000.374  000.374: sourcing /home/mattn/.vim/chalice/plugin/dolib.vim
128.487  003.794: loading plugins
130.381  001.894: inits 3
131.144  000.763: reading viminfo
137.261  006.117: setup clipboard
137.304  000.043: setting raw mode
137.336  000.032: start termcap
137.499  000.163: clearing screen
167.107  029.608: opening buffers
167.376  000.269: BufEnter autocommands
167.384  000.008: editing files in windows
167.438  000.054: VimEnter autocommands
167.443  000.005: before starting main loop
320.531  153.088: first screen update
320.544  000.013: --- VIM STARTED ---
これを見るとvimrcと、codepad.vimの読み込みが遅い事が一目瞭然である。

ちなみにcodepad.vimを外して起動すると


times in msec
 clock   self+sourced   self:  sourced script
 clock   elapsed:              other lines

000.016  000.016: --- VIM STARTING ---
000.251  000.235: Allocated generic buffers
001.749  001.498: locale set
001.786  000.037: GUI prepared
001.797  000.011: clipboard setup
001.819  000.022: window checked
003.267  001.448: inits 1
003.287  000.020: parsing arguments
003.291  000.004: expanding arguments
003.338  000.047: shell init
015.880  012.542: xsmp init
016.455  000.575: Termcap init
016.555  000.100: inits 2
016.807  000.252: init highlight
020.289  000.617  000.617: sourcing /usr/share/vim/vim72/debian.vim
021.349  000.627  000.627: sourcing /usr/share/vim/vim72/syntax/syncolor.vim
021.634  001.058  000.431: sourcing /usr/share/vim/vim72/syntax/synload.vim
059.675  037.918  037.918: sourcing /usr/share/vim/vim72/filetype.vim
059.815  039.391  000.415: sourcing /usr/share/vim/vim72/syntax/syntax.vim
059.898  042.967  002.959: sourcing $VIM/vimrc
063.216  000.304  000.304: sourcing /usr/share/vim/vim72/syntax/nosyntax.vim
064.068  000.536  000.536: sourcing /usr/share/vim/vim72/syntax/syncolor.vim
064.332  000.951  000.415: sourcing /usr/share/vim/vim72/syntax/synload.vim
064.418  001.613  000.358: sourcing /usr/share/vim/vim72/syntax/syntax.vim
064.557  000.028  000.028: sourcing /usr/share/vim/vim72/filetype.vim
064.775  000.107  000.107: sourcing /usr/share/vim/vim72/ftplugin.vim
065.189  000.301  000.301: sourcing /usr/share/vim/vim72/indent.vim
066.131  006.131  004.082: sourcing $HOME/.vimrc
066.161  000.256: sourcing vimrc file(s)
067.835  001.098  001.098: sourcing /home/mattn/.vim/plugin/autodate.vim
070.712  002.793  002.793: sourcing /home/mattn/.vim/plugin/calendar.vim
071.928  001.142  001.142: sourcing /home/mattn/.vim/plugin/dicwin.vim
073.385  001.389  001.389: sourcing /home/mattn/.vim/plugin/fastladder.vim
074.731  001.280  001.280: sourcing /home/mattn/.vim/plugin/gist.vim
076.102  001.298  001.298: sourcing /home/mattn/.vim/plugin/googlereader.vim
079.975  003.793  003.793: sourcing /home/mattn/.vim/plugin/matchit.vim
080.426  000.318  000.318: sourcing /home/mattn/.vim/plugin/perldoc.vim
082.556  002.071  002.071: sourcing /home/mattn/.vim/plugin/quickrun.vim
083.004  000.362  000.362: sourcing /home/mattn/.vim/plugin/sudo.vim
085.061  001.985  001.985: sourcing /home/mattn/.vim/plugin/taglist.vim
086.098  000.967  000.967: sourcing /home/mattn/.vim/plugin/tetris.vim
086.747  000.587  000.587: sourcing /home/mattn/.vim/plugin/verifyenc.vim
087.533  000.257  000.257: sourcing /usr/share/vim/vim72/plugin/getscriptPlugin.vim
088.056  000.467  000.467: sourcing /usr/share/vim/vim72/plugin/gzip.vim
088.678  000.543  000.543: sourcing /usr/share/vim/vim72/plugin/matchparen.vim
090.576  001.835  001.835: sourcing /usr/share/vim/vim72/plugin/netrwPlugin.vim
090.808  000.150  000.150: sourcing /usr/share/vim/vim72/plugin/rrhelper.vim
090.945  000.084  000.084: sourcing /usr/share/vim/vim72/plugin/spellfile.vim
091.401  000.402  000.402: sourcing /usr/share/vim/vim72/plugin/tarPlugin.vim
091.638  000.157  000.157: sourcing /usr/share/vim/vim72/plugin/tohtml.vim
092.072  000.376  000.376: sourcing /usr/share/vim/vim72/plugin/vimballPlugin.vim
092.498  000.365  000.365: sourcing /usr/share/vim/vim72/plugin/zipPlugin.vim
094.842  001.839  001.839: sourcing /home/mattn/.vim/chalice/plugin/alice.vim
095.189  000.272  000.272: sourcing /home/mattn/.vim/chalice/plugin/cacheman.vim
096.477  000.918  000.918: sourcing /home/mattn/.vim/chalice/plugin/datutil.vim
097.079  000.415  000.415: sourcing /home/mattn/.vim/chalice/plugin/dolib.vim
112.786  017.536  016.203: sourcing /home/mattn/.vim/chalice/plugin/chalice.vim
113.924  000.909  000.909: sourcing /home/mattn/.vim/chalice/plugin/datutil.vim
114.370  000.379  000.379: sourcing /home/mattn/.vim/chalice/plugin/dolib.vim
114.386  003.571: loading plugins
116.239  001.853: inits 3
117.053  000.814: reading viminfo
123.322  006.269: setup clipboard
123.367  000.045: setting raw mode
123.397  000.030: start termcap
123.437  000.040: clearing screen
124.526  001.089: opening buffers
124.899  000.373: BufEnter autocommands
124.907  000.008: editing files in windows
125.967  001.060: VimEnter autocommands
125.979  000.012: before starting main loop
287.072  161.093: first screen update
287.085  000.013: --- VIM STARTED ---
30msも減っている事が確認出来る。実はcodpad.vimは内部でpythonインタプリタを呼び出しており、これがvimの起動を遅くしている原因となっています。

vimrc内部でどの部分が遅いかについては、個々に見ていくしか無いのだけれど、ちょっと最近vimの起動が遅いのよねぇ...奥さん...って人には持って来いだと思う。

ちなみに入ったばかりなpatchなので、試すにはソースからビルドするしか方法はありませんが、プロファイル用にvimをビルドしてみる...ってのもありかもしれませんね。
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