Commit aaab6bb5 authored by Phil Auld's avatar Phil Auld Committed by Peter Zijlstra
Browse files

sched: Increase sched_tick_remote timeout 



Increase the sched_tick_remote WARN_ON timeout to remove false
positives due to temporarily busy HK cpus. The suggestion
was 30 seconds to catch really stuck remote tick processing
but not trigger it too easily.

Suggested-by: default avatarFrederic Weisbecker <frederic@kernel.org>
Signed-off-by: default avatarPhil Auld <pauld@redhat.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarFrederic Weisbecker <frederic@kernel.org>
Link: https://patch.msgid.link/20250911161300.437944-1-pauld@redhat.com
parent 522fb20f

kernel/sched/core.c

+1 −1
Original line number Diff line number Diff line
@@ -5619,7 +5619,7 @@ static void sched_tick_remote(struct work_struct *work) 
				 * reasonable amount of time.

				 */

				u64 delta = rq_clock_task(rq) - curr->se.exec_start;

				WARN_ON_ONCE(delta > (u64)NSEC_PER_SEC * 3);

				WARN_ON_ONCE(delta > (u64)NSEC_PER_SEC * 30);

			}

			curr->sched_class->task_tick(rq, curr, 0);