linux-kernel - [RFC][PATCH 8/8] sched: Default enable HRTICK

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Message-ID: <20250918080206.295040075@infradead.org>
Date: Thu, 18 Sep 2025 09:52:27 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: tglx@...utronix.de
Cc: arnd@...db.de,
 anna-maria@...utronix.de,
 frederic@...nel.org,
 peterz@...radead.org,
 luto@...nel.org,
 mingo@...hat.com,
 juri.lelli@...hat.com,
 vincent.guittot@...aro.org,
 dietmar.eggemann@....com,
 rostedt@...dmis.org,
 bsegall@...gle.com,
 mgorman@...e.de,
 vschneid@...hat.com,
 linux-kernel@...r.kernel.org,
 oliver.sang@...el.com
Subject: [RFC][PATCH 8/8] sched: Default enable HRTICK

For the robots.. let us find regressions.

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 kernel/sched/features.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -63,8 +63,8 @@ SCHED_FEAT(DELAY_ZERO, true)
  */
 SCHED_FEAT(WAKEUP_PREEMPTION, true)
 
-SCHED_FEAT(HRTICK, false)
-SCHED_FEAT(HRTICK_DL, false)
+SCHED_FEAT(HRTICK, true)
+SCHED_FEAT(HRTICK_DL, true)
 
 /*
  * Decrement CPU capacity based on time not spent running tasks