README: add a note about how to enable realtime

Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>

README.md

@@ -24,6 +24,7 @@
     - [QM Sub-Package Video](#qm-sub-package-video)
 7. [Examples](#examples)
 8. [Development](#development)
+9. [Realtime](#realtime)
 9. [Talks and Videos](#talks-and-videos)
     - [Paving the Way for Uninterrupted Car Operations - DevConf Boston 2024](https://www.youtube.com/watch?v=jTrLqpw7E6Q)
     - [Security - Sample Risk Analysis according to ISO26262](https://www.youtube.com/watch?v=jTrLqpw7E6Q&t=1268s)
@@ -587,6 +588,13 @@ Looking for quadlet examples files? See our [docs dir](docs/quadlet-examples/).
 
 If your looking for contribute to the project use our [development README guide](docs/devel/README.md) as start point.
 
+## Realtime
+To enable real-time removal of sched_* blockage via seccomp, comment out the SeccompProfile.
+
+```bash
+vi qm.console
+# SeccompProfile=/usr/share/qm/seccomp-no-rt.json
+
 ## Talks and Videos
 
 Let's spread the knowledge regarding QM, if you have any interesting video regarding any