Re: [PATCH v3 10/13] rv: Add support for per-object monitors in DA/HA

Nam Cao
2025-12-18T07:27:07Z

Gabriele Monaco <gmonaco@redhat.com> writes:
> RV deterministic and hybrid automata currently only support global,
> per-cpu and per-task monitors. It isn't possible to write a model that
> would follow some different type of object, like a deadline entity or a
> lock.
>
> Define the generic per-object monitor implementation which shares part
> of the implementation with the per-task monitors.
> The user needs to provide an id for the object (e.g. pid for tasks) and
> define the data type for the monitor_target (e.g. struct task_struct *
> for tasks). Both are supplied to the event handlers, as the id may not
> be easily available in the target.
>
> The monitor storage (e.g. the rv monitor, pointer to the target, etc.)
> is stored in a hash table indexed by id. Monitor storage objects are
> automatically allocated unless specified otherwise (e.g. if the creation
> context is unsafe for allocation).
>
> Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>

Reviewed-by: Nam Cao <namcao@linutronix.de>