doc/administration/monitoring/performance/request_profiling.md


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# Request Profiling

## Procedure

1. Grab the profiling token from **Monitoring > Requests Profiles** admin page
  (highlighted in a blue in the image below).
  ![Profile token](img/request_profiling_token.png)
1. Pass the header `X-Profile-Token: <token>` to the request you want to profile. You can use:
    - Browser extensions. For example, [ModHeader](https://chrome.google.com/webstore/detail/modheader/idgpnmonknjnojddfkpgkljpfnnfcklj) Chrome extension.
    - `curl`. For example, `curl --header 'X-Profile-Token: <token>' https://gitlab.example.com/group/project`.
1. Once request is finished (which will take a little longer than usual), you can
  view the profiling output from **Monitoring > Requests Profiles** admin page.
  ![Profiling output](img/request_profile_result.png)

## Cleaning up

Profiling output will be cleared out every day via a Sidekiq worker.