--- a/emacs.rst	Tue Apr 12 20:43:41 2016 +0300
+++ b/emacs.rst	Mon Apr 25 16:37:16 2016 +0300
@@ -189,15 +189,25 @@
 Emacs profiling.
 ================
 
-benchmark.el.
--------------
+edebug
+------
+
+``edebug`` allow save execution statistic on per line basis. As usual evaluate
+``C-u M-S-x`` (or ``M-x edebug-defun``) on top lovel functional form. Call code
+that uses examined function. On entry to ``edebug`` type ``c``
+(``edebug-continue-mode``). After finishing evaluation place cursor to examined
+function form and evaluate ``M-x edebug-display-freq-count``. Function be
+annotated with evaluation counts per line.
+
+benchmark.el
+------------
 ::
 
   (benchmark-run 1 (revert-buffer))
   (benchmark-run-compiled 1 (hi-lock-face-phrase-buffer "hello" 'hi-yellow))
 
-elp.el.
--------
+elp.el
+------
 
 Enter a prefix for ``M-x elp-instrument-package``, perform action and see result
 by ``M-x elp-results``. To perform new measurement don't forget to run