On Wed, 2026-02-25 at 07:08 -1000, Tejun Heo wrote: > On Wed, Feb 25, 2026 at 10:51:20AM +0100, Gabriele Monaco wrote: > > When a sched_ext scheduler is loaded, depending on the configuration, it > > can handle also fair tasks, however it isn't trivial to understand if a > > certain task is currently handled by fair or ext outside of scheduler > > code. This can be a problem when writing verification or observability > > tools like RV monitors. > > > > Export a task_is_scx_enabled() to allow quick classification by using > > the scx state SCX_TASK_ENABLED. > > This test already exists - task_on_scx(). Please feel free to move that out > to include/linux/sched/ext.h.
Mmh, right, thanks for the pointer! I see task_on_scx() is used in what looks like some sched core hot paths ( pick_next_task() -> prio_less()), but I presume not inlining it isn't a big issue. Thanks, Gabriele
