Created How to profile vim-gitgutter (markdown)

How-to-profile-vim-gitgutter.md

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+The best way to identify bottlenecks is to profile Vim (see `:help profiler`).
+
+Add these two lines to your vimrc, ensuring you put them above any package manager such as pathogen or vundle.  (The second line assumes your copy of vim-gitgutter lives in a directory named `vim-gitgutter`; adjust as needed.)
+
+```viml
+profile start gitgutter.log
+profile! file */vim-gitgutter/*
+```
+
+Now launch Vim and do whatever makes it slow.  When you quit Vim it will write the log file in the current directory.
+
+Please post the log file in a gist and send me a link.