keyfreq

https://github.com/dacap/keyfreq.git

git clone 'git://github.com/dacap/keyfreq.git'
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HOW TO USE IT?

Include the following lines in your .emacs file:

(require 'keyfreq)
(keyfreq-mode 1)
(keyfreq-autosave-mode 1)

And use keyfreq-show to see how many times you used a command.