每次我尝试在ViM中打开fugitive都需要很长时间（几秒钟）。
我已经尝试通过--startuptime对其进行分析：
times in msec
clock self+sourced self: sourced script
clock elapsed: other lines
000.004 000.004: --- VIM STARTING ---
000.074 000.070: Allocated generic buffers
000.123 000.049: locale set
000.133 000.010: GUI prepared
000.134 000.001: clipboard setup
000.138 000.004: window checked
000.445 000.307: inits 1
000.501 000.056: parsing arguments
000.504 000.003: expanding arguments
000.523 000.019: shell init
000.766 000.243: xsmp init
000.952 000.186: Termcap init
000.985 000.033: inits 2
001.736 000.751: init highlight
001.940 000.130 000.130: sourcing /usr/share/vim/vimfiles/archlinux.vim
001.966 000.204 000.074: sourcing /etc/vimrc
008.046 000.028 000.028: sourcing /usr/share/vim/vimfiles/ftdetect/dockerfile.vim
008.125 006.076 006.048: sourcing /usr/share/vim/vim80/filetype.vim
008.204 000.039 000.039: sourcing /usr/share/vim/vim80/ftplugin.vim
008.256 000.012 000.012: sourcing /usr/share/vim/vim80/filetype.vim
008.325 000.034 000.034: sourcing /usr/share/vim/vim80/indent.vim
008.749 000.199 000.199: sourcing /usr/share/vim/vim80/syntax/syncolor.vim
008.839 000.345 000.146: sourcing /usr/share/vim/vim80/syntax/synload.vim
008.870 000.431 000.086: sourcing /usr/share/vim/vim80/syntax/syntax.vim
009.378 000.166 000.166: sourcing /usr/share/vim/vim80/syntax/syncolor.vim
009.703 000.168 000.168: sourcing /usr/share/vim/vim80/syntax/syncolor.vim
009.963 000.164 000.164: sourcing /usr/share/vim/vim80/syntax/syncolor.vim
010.179 001.089 000.591: sourcing /usr/share/vim/vim80/colors/desert.vim
011.009 000.373 000.373: sourcing /usr/share/vim/vim80/ftoff.vim
011.492 000.198 000.198: sourcing /home/black/.vim/bundle/Vundle.vim/autoload/vundle.vim
011.759 000.186 000.186: sourcing /home/black/.vim/bundle/Vundle.vim/autoload/vundle/config.vim
024.711 000.037 000.037: sourcing /home/black/.vim/bundle/vim-markdown/ftdetect/markdown.vim
024.897 000.017 000.017: sourcing /home/black/.vim/bundle/hspec.vim/ftdetect/hspec.vim
024.982 000.026 000.026: sourcing /home/black/.vim/bundle/vim2hs/ftdetect/cabalconfig.vim
025.013 000.014 000.014: sourcing /home/black/.vim/bundle/vim2hs/ftdetect/heist.vim
025.043 000.014 000.014: sourcing /home/black/.vim/bundle/vim2hs/ftdetect/hsc.vim
025.072 000.014 000.014: sourcing /home/black/.vim/bundle/vim2hs/ftdetect/jmacro.vim
025.169 000.052 000.052: sourcing /home/black/.vim/bundle/vim-coffee-script/ftdetect/coffee.vim
025.236 000.021 000.021: sourcing /home/black/.vim/bundle/vim-json/ftdetect/json.vim
025.350 000.023 000.023: sourcing /home/black/.vim/bundle/fsharp-vim/ftdetect/fsharp.vim
025.449 000.023 000.023: sourcing /home/black/.vim/bundle/ultisnips/ftdetect/snippets.vim
025.591 000.022 000.022: sourcing /usr/share/vim/vimfiles/ftdetect/dockerfile.vim
026.028 006.530 006.267: sourcing /usr/share/vim/vim80/filetype.vim
026.456 000.014 000.014: sourcing /usr/share/vim/vim80/ftplugin.vim
026.865 000.012 000.012: sourcing /usr/share/vim/vim80/indent.vim
027.443 025.444 010.450: sourcing $HOME/.vimrc
027.448 000.064: sourcing vimrc file(s)
028.089 000.508 000.508: sourcing /home/black/.vim/bundle/vim-surround/plugin/surround.vim
029.034 000.875 000.875: sourcing /home/black/.vim/bundle/vim-abolish/plugin/abolish.vim
029.343 000.228 000.228: sourcing /home/black/.vim/bundle/vim-commentary/plugin/commentary.vim
040.770 011.279 011.279: sourcing /home/black/.vim/bundle/vim-smartinput/autoload/smartinput.vim
040.788 011.382 000.103: sourcing /home/black/.vim/bundle/vim-smartinput/plugin/smartinput.vim
043.390 002.529 002.529: sourcing /home/black/.vim/bundle/vim-unimpaired/plugin/unimpaired.vim
047.524 004.057 004.057: sourcing /home/black/.vim/bundle/vim-easymotion/plugin/EasyMotion.vim
048.013 000.393 000.393: sourcing /home/black/.vim/bundle/vim-endwise/plugin/endwise.vim
048.296 000.223 000.223: sourcing /home/black/.vim/bundle/sideways.vim/plugin/sideways.vim
048.500 000.137 000.137: sourcing /home/black/.vim/bundle/inline_edit.vim/plugin/inline_edit.vim
048.764 000.200 000.200: sourcing /home/black/.vim/bundle/splitjoin.vim/plugin/splitjoin.vim
049.126 000.188 000.188: sourcing /home/black/.vim/bundle/switch.vim/plugin/switch.vim
050.676 001.486 001.486: sourcing /home/black/.vim/bundle/vim-fixkey/plugin/fixkey.vim
050.816 000.037 000.037: sourcing /home/black/.vim/bundle/vim2hs/plugin/haskell_tags.vim
052.538 001.705 001.705: sourcing /home/black/.vim/bundle/vim2hs/plugin/hpaste.vim
052.643 000.087 000.087: sourcing /home/black/.vim/bundle/vim2hs/plugin/offside.vim
066.729 014.003 014.003: sourcing /home/black/.vim/bundle/targets.vim/plugin/targets.vim
067.438 000.292 000.292: sourcing /home/black/.vim/bundle/unite.vim/autoload/unite/custom.vim
067.547 000.644 000.352: sourcing /home/black/.vim/bundle/unite.vim/plugin/unite/bookmark.vim
067.680 000.114 000.114: sourcing /home/black/.vim/bundle/unite.vim/plugin/unite/buffer.vim
067.756 000.058 000.058: sourcing /home/black/.vim/bundle/unite.vim/plugin/unite/history_yank.vim
067.878 000.105 000.105: sourcing /home/black/.vim/bundle/unite.vim/plugin/unite/window.vim
068.143 000.247 000.247: sourcing /home/black/.vim/bundle/unite.vim/plugin/unite.vim
068.291 000.069 000.069: sourcing /home/black/.vim/bundle/unite-haskellimport/plugin/haskellimport.vim
068.424 000.070 000.070: sourcing /home/black/.vim/bundle/file-line/plugin/file_line.vim
071.601 003.117 003.117: sourcing /home/black/.vim/bundle/vim-fugitive/plugin/fugitive.vim
072.126 000.439 000.439: sourcing /home/black/.vim/bundle/vim-signify/plugin/signify.vim
072.584 000.128 000.128: sourcing /home/black/.vim/bundle/ale/autoload/ale.vim
073.530 000.028 000.028: sourcing /home/black/.vim/bundle/ale/autoload/ale/balloon.vim
073.999 001.813 001.657: sourcing /home/black/.vim/bundle/ale/plugin/ale.vim
074.658 000.576 000.576: sourcing /home/black/.vim/bundle/incsearch.vim/plugin/incsearch.vim
075.098 000.158 000.158: sourcing /home/black/.vim/bundle/vim-indent-guides/autoload/indent_guides.vim
075.525 000.800 000.642: sourcing /home/black/.vim/bundle/vim-indent-guides/plugin/indent_guides.vim
078.163 000.100 000.100: sourcing /home/black/.vim/bundle/ultisnips/autoload/UltiSnips/map_keys.vim
078.298 002.700 002.600: sourcing /home/black/.vim/bundle/ultisnips/plugin/UltiSnips.vim
078.414 000.050 000.050: sourcing /home/black/.vim/bundle/vim-snippets/plugin/vimsnippets.vim
078.872 000.389 000.389: sourcing /home/black/.vim/bundle/RootIgnore/plugin/RootIgnore.vim
079.863 000.927 000.927: sourcing /home/black/.vim/bundle/undotree/plugin/undotree.vim
080.735 000.496 000.496: sourcing /home/black/.vim/bundle/editorconfig-vim/plugin/editorconfig.vim
081.844 001.027 001.027: sourcing /home/black/.vim/bundle/fzf.vim/plugin/fzf.vim
082.339 000.436 000.436: sourcing /home/black/.vim/bundle/vim-qf/plugin/qf.vim
082.659 000.081 000.081: sourcing /usr/share/vim/vim80/plugin/getscriptPlugin.vim
082.872 000.195 000.195: sourcing /usr/share/vim/vim80/plugin/gzip.vim
083.118 000.228 000.228: sourcing /usr/share/vim/vim80/plugin/logiPat.vim
083.158 000.022 000.022: sourcing /usr/share/vim/vim80/plugin/manpager.vim
083.345 000.171 000.171: sourcing /usr/share/vim/vim80/plugin/matchparen.vim
084.072 000.706 000.706: sourcing /usr/share/vim/vim80/plugin/netrwPlugin.vim
084.145 000.041 000.041: sourcing /usr/share/vim/vim80/plugin/rrhelper.vim
084.207 000.036 000.036: sourcing /usr/share/vim/vim80/plugin/spellfile.vim
084.403 000.173 000.173: sourcing /usr/share/vim/vim80/plugin/tarPlugin.vim
084.536 000.105 000.105: sourcing /usr/share/vim/vim80/plugin/tohtml.vim
084.777 000.218 000.218: sourcing /usr/share/vim/vim80/plugin/vimballPlugin.vim
085.032 000.221 000.221: sourcing /usr/share/vim/vim80/plugin/zipPlugin.vim
085.702 000.571 000.571: sourcing /home/black/.fzf/plugin/fzf.vim
145.695 059.874 059.874: sourcing /home/black/.local/lib/python3.6/site-packages/powerline/bindings/vim/plugin/powerline.vim
145.708 003.503: loading plugins
145.775 000.067: loading packages
146.422 000.435 000.435: sourcing /home/black/.vim/bundle/indentLine/after/plugin/indentLine.vim
146.779 000.038 000.038: sourcing /home/black/.vim/bundle/vim2hs/autoload/vim2hs.vim
146.818 000.217 000.179: sourcing /home/black/.vim/bundle/vim2hs/after/plugin/tabular_haskell.vim
147.057 000.056 000.056: sourcing /home/black/.vim/bundle/ale/after/plugin/ale.vim
147.356 000.208 000.208: sourcing /home/black/.vim/bundle/ultisnips/after/plugin/UltiSnips_after.vim
147.522 000.013 000.013: sourcing /home/black/.vim/bundle/ale/after/plugin/ale.vim
147.526 000.822: loading after plugins
148.230 000.704: inits 3
148.789 000.559: reading viminfo
151.184 002.395: setup clipboard
151.202 000.018: setting raw mode
151.207 000.005: start termcap
151.243 000.036: clearing screen
155.673 000.040 000.040: sourcing /home/black/.vim/bundle/splitjoin.vim/ftplugin/vim/splitjoin.vim
156.705 000.408 000.408: sourcing /usr/share/vim/vim80/ftplugin/vim.vim
158.253 000.090 000.090: sourcing /usr/share/vim/vim80/indent/vim.vim
166.259 001.130 001.130: sourcing /usr/share/vim/vim80/syntax/lua.vim
169.180 000.458 000.458: sourcing /usr/share/vim/vim80/syntax/pod.vim
171.965 003.518 003.060: sourcing /usr/share/vim/vim80/syntax/perl.vim
177.434 003.261 003.261: sourcing /usr/share/vim/vim80/syntax/ruby.vim
178.288 000.714 000.714: sourcing /usr/share/vim/vim80/syntax/python.vim
179.655 020.609 011.986: sourcing /usr/share/vim/vim80/syntax/vim.vim
180.739 000.082 000.082: sourcing /home/black/.vim/bundle/ale/autoload/ale/events.vim
181.163 000.180 000.180: sourcing /home/black/.vim/bundle/ale/autoload/ale/util.vim
181.745 000.246 000.246: sourcing /home/black/.vim/bundle/ale/autoload/ale/linter.vim
182.548 000.386 000.386: sourcing /home/black/.vim/bundle/ale/ale_linters/vim/vint.vim
185.742 000.132 000.132: sourcing /home/black/.vim/bundle/vim-signify/autoload/sy.vim
186.083 000.074 000.074: sourcing /home/black/.vim/bundle/vim-signify/autoload/sy/util.vim
187.271 000.941 000.941: sourcing /home/black/.vim/bundle/vim-signify/autoload/sy/repo.vim
190.859 000.691 000.691: sourcing /home/black/.vim/bundle/ale/autoload/ale/engine.vim
191.915 000.586 000.586: sourcing /home/black/.vim/bundle/ale/autoload/ale/sign.vim
192.598 000.187 000.187: sourcing /home/black/.vim/bundle/ale/autoload/ale/list.vim
193.439 000.395 000.395: sourcing /home/black/.vim/bundle/ale/autoload/ale/highlight.vim
194.045 000.277 000.277: sourcing /home/black/.vim/bundle/ale/autoload/ale/cursor.vim
194.979 000.098 000.098: sourcing /home/black/.vim/bundle/unite.vim/autoload/unite/sources/buffer/variables.vim
197.347 020.682: opening buffers
197.599 000.252: BufEnter autocommands
197.602 000.003: editing files in windows
198.295 000.304 000.304: sourcing /home/black/.vim/bundle/vim-signify/autoload/sy/sign.vim
210.640 001.875 001.875: sourcing /usr/share/vim/vim80/syntax/lua.vim
211.620 000.528 000.528: sourcing /usr/share/vim/vim80/syntax/pod.vim
215.469 004.665 004.137: sourcing /usr/share/vim/vim80/syntax/perl.vim
218.827 003.211 003.211: sourcing /usr/share/vim/vim80/syntax/ruby.vim
219.629 000.658 000.658: sourcing /usr/share/vim/vim80/syntax/python.vim
220.815 020.514 010.105: sourcing /usr/share/vim/vim80/syntax/vim.vim
223.517 000.025 000.025: sourcing /home/black/.vim/bundle/splitjoin.vim/ftplugin/vim/splitjoin.vim
224.634 000.406 000.406: sourcing /usr/share/vim/vim80/ftplugin/vim.vim
226.109 000.032 000.032: sourcing /usr/share/vim/vim80/indent/vim.vim
237.652 001.692 001.692: sourcing /usr/share/vim/vim80/syntax/lua.vim
238.669 000.597 000.597: sourcing /usr/share/vim/vim80/syntax/pod.vim
242.450 004.652 004.055: sourcing /usr/share/vim/vim80/syntax/perl.vim
245.874 003.271 003.271: sourcing /usr/share/vim/vim80/syntax/ruby.vim
246.644 000.635 000.635: sourcing /usr/share/vim/vim80/syntax/python.vim
247.861 020.932 010.682: sourcing /usr/share/vim/vim80/syntax/vim.vim
1903.016 001.506 001.506: sourcing /usr/share/vim/vim80/syntax/lua.vim
1903.924 000.500 000.500: sourcing /usr/share/vim/vim80/syntax/pod.vim
1907.336 004.172 003.672: sourcing /usr/share/vim/vim80/syntax/perl.vim
1910.418 002.914 002.914: sourcing /usr/share/vim/vim80/syntax/ruby.vim
1911.183 000.624 000.624: sourcing /usr/share/vim/vim80/syntax/python.vim
1912.244 018.788 009.572: sourcing /usr/share/vim/vim80/syntax/vim.vim
1913.393 000.249 000.249: sourcing /home/black/.vim/bundle/vim-qf/autoload/qf.vim
3614.321 3355.469: VimEnter autocommands
3614.325 000.004: before starting main loop
3643.537 029.212: first screen update
3643.541 000.004: --- VIM STARTED ---
我认为重要的是这一行：
3614.321 3355.469: VimEnter autocommands
我尝试将时间测量添加到我拥有的插件中，但我只得到1-2s。
所以我试图将它们全部删除，但我仍然得到很多：
3112.104 1681.107: VimEnter autocommands
是否可能有一个更精确的数字？定时执行/跟踪将是最好的。
使用tweekmonster/startuptime（@ sudavid4建议）后，我有了一些见解：
1 Total Time: 288.812 -- Outstanding$
2
3
4 Slowest 10 plugins (out of 51)
5 ¦ ¦ ¦ ¦ vim| 174.589
6 ¦ ¦ ¦[runtime]| 21.277
7 ¦ vim-unimpaired| 15.365
8 ¦ ¦ ¦[unknown]| 14.710
9 ¦ vim-smartinput| 12.924
10 vim-textobj-keyvalue| 12.225
11 ¦ vim-easymotion| 6.644
12 vim-textobj-function| 3.136
13 vim-textobj-methodcall| 2.918
14 vim-textobj-comment| 2.595
15
16 Phase Detail:
17
18 init highlight (34.345)
19 18.787 [runtime]
20 | 15.468 /usr/share/vim/vim81/filetype.vim
21 | 1.598 /usr/share/vim/vim81/syntax/syncolor.vim
22 | 0.750 /usr/share/vim/vim81/colors/desert.vim
23 | 0.548 /usr/share/vim/vim81/ftoff.vim
24 | 0.192 /usr/share/vim/vim81/syntax/synload.vim
25 | 0.106 /usr/share/vim/vim81/syntax/syntax.vim
26 | 0.071 /usr/share/vim/vim81/ftplugin.vim
27 | 0.056 /usr/share/vim/vim81/indent.vim
出现突出显示是这里的问题。