functions take a profile, that can be a fixed profile exhaustively
listing the events, or something else if you wish.
+For further reading, you could turn to :ref:`this example <s4u_ex_comm_failure>`
+on how to react to communication failures, or :ref:`this one <s4u_ex_platform_state_profile>`
+on how to attach a state profile to hosts and react to execution failures.
+
.. _howto_multicore:
Modeling multicore machines