From e5c5c0a040e0c74892ea0a36c7fd50e5410879bd Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 21 Jan 2021 19:04:50 +0300
Subject: Include `countme` crate to count important data structures.

---
 docs/dev/README.md | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'docs')

diff --git a/docs/dev/README.md b/docs/dev/README.md
index dd2bfc493..24197b332 100644
--- a/docs/dev/README.md
+++ b/docs/dev/README.md
@@ -251,6 +251,9 @@ RA_PROFILE=*@3>10        // dump everything, up to depth 3, if it takes more tha
 
 In particular, I have `export RA_PROFILE='*>10'` in my shell profile.
 
+We also have a "counting" profiler which counts number of instances of popular structs.
+It is enabled by `RA_COUNT=1`.
+
 To measure time for from-scratch analysis, use something like this:
 
 ```
-- 
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