From 6c7dd7bf70755ea8717262329a36e6d2c9f35970 Mon Sep 17 00:00:00 2001 From: Sultan Alsawaf Date: Mon, 9 Oct 2023 15:07:32 -0700 Subject: [PATCH] sched: Disable TTWU_QUEUE MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Queuing wake-ups is not measurably beneficial in any way. Disable it. Signed-off-by: Sultan Alsawaf [Flopster101: Apply to new way of setting features.] Signed-off-by: Nahuel Gómez --- kernel/sched/features.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/features.h b/kernel/sched/features.h index f1bf5e12d..bea2fd6a2 100755 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -49,7 +49,7 @@ SCHED_FEAT(NONTASK_CAPACITY, true) * Queue remote wakeups on the target CPU and process them * using the scheduler IPI. Reduces rq->lock contention/bounces. */ -SCHED_FEAT(TTWU_QUEUE, true) +SCHED_FEAT(TTWU_QUEUE, false) /* * When doing wakeups, attempt to limit superfluous scans of the LLC domain.