Bring back mentions of Redash

This reverts commit 676e0a3260.
It was removed when we thought we were moving to Looker.

doc/development/profiling.md

@@ -86,10 +86,8 @@ that builds on this to add some additional niceties, such as allowing
 configuration with a single Yaml file for multiple URLs, and uploading of the
 profile and log output to S3.
 
-For GitLab.com, currently the latest profiling data has been [moved from
-Redash to Looker](https://gitlab.com/gitlab-com/Product/issues/5#note_121194467).
-We are [currently investigating how to make this data
-public](https://gitlab.com/meltano/looker/issues/294).
+For GitLab.com, you can find the latest results here:
+<http://redash.gitlab.com/dashboard/gitlab-profiler-statistics>
 
 ## Sherlock
 

doc/development/testing_guide/ci.md

@@ -31,7 +31,11 @@ After that, the next pipeline will use the up-to-date
 The GitLab test suite is [monitored] for the `master` branch, and any branch
 that includes `rspec-profile` in their name.
 
+A [public dashboard] is available for everyone to see. Feel free to look at the
+slowest test files and try to improve them.
+
 [monitored]: ../performance.md#rspec-profiling
+[public dashboard]: https://redash.gitlab.com/public/dashboards/l1WhHXaxrCWM5Ai9D7YDqHKehq6OU3bx5gssaiWe?org_slug=default
 
 ## CI setup