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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: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Phil Auld <pauld@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://patch.msgid.link/20250911161300.437944-1-pauld@redhat.com
This commit is contained in:
Phil Auld 2025-09-11 12:13:00 -04:00 committed by Peter Zijlstra
parent 522fb20fbd
commit aaab6bb54a
1 changed files with 1 additions and 1 deletions
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2
kernel/sched/core.c
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@ -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);