Merge branch 'evn-add-profiler' into 'master'

Add link to gitlab-profiler

See merge request gitlab-org/gitlab-ce!14775

doc/development/profiling.md

@@ -27,3 +27,13 @@ Bullet will log query problems to both the Rails log as well as the Chrome
 console.
 
 As a follow up to finding `N+1` queries with Bullet, consider writing a [QueryRecoder test](query_recorder.md) to prevent a regression.
+
+## GitLab Profiler
+
+
+[Gitlab-Profiler](https://gitlab.com/gitlab-com/gitlab-profiler) was built to
+help developers understand why specific URLs of their application may be slow
+and to provide hard data that can help reduce load times.
+
+For GitLab.com, you can find the latest results here:
+<http://redash.gitlab.com/dashboard/gitlab-profiler-statistics>