From nobody Thu Oct 2 12:02:40 2025 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15E562C0263 for ; Thu, 18 Sep 2025 08:06:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758182817; cv=none; b=nBbabbzYOhb4zR4QzuE5JACiQjUznweuiMJiNAJcsJ3q8PsWxpEAiac+vZSEJTOvxGAsmXkGg8xpCcmYrWCuzDGROmUdWlVtt1pqBvxJ9SVrmpE6gXfrm/HNBcC+eg5/b8qWqWMtOB19iL27IiDZnvJ2FV2zQWrnJvMi92e0omU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758182817; c=relaxed/simple; bh=1e2zakSUqeLToQoAPVml6fhi/XriNjG58yMRZpByB7A=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=QC5Ap5qg8c8Q25W5IzKCiq9c73l3KARk4gadzZ1NYHMtK9KU3XS9ec1AYSAJIzU7yN4+ZnO5MY1Xh+cLxWrKcihBGODX1USpbx47xqdkldgXJvEJgFrBDFQtsHesfNKwn7qBDFwnbpUsJXu3DYkp7NfQ0OEfrKFkbIfpr8xPmpI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=HoKt1pLQ; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HoKt1pLQ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:References: Subject:Cc:To:From:Date:Message-ID:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To; bh=NBKWbQzjQqnxgf5mh4ZofQjDAlswEiWQQO80U3lRI7I=; b=HoKt1pLQ/dEMvYt4waSSFdl3Hi RIp3I1XOVNHbT6Aa7ecgMsisljHGCRHOrWZC7Wnoz65vqDjFDoGRiaHwHDca5SualV6RWCiWflmeY To5l1Kd9Jk8GcelsVdicYKHpw/ljzxsOeTzni0xvfrnv8UOc7au8qlkZtnxC7KhSM/RLbFR8r0lQJ pA7dshUv5fenD1r21aFPMdCvtUaJbuS4C8kUueh49iCDDINaWJKpQNuKBdktz9WEKYnbjTS8/aSBL 15eDVzEztQzDGr726Ypk8VQcZolFLR39n6/27vun+7rpGOoi0bCb1m0lOxYZ1LcheRfJ4B95l02Ty I//8hUQQ==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uz9fD-0000000Fbs4-0nJG; Thu, 18 Sep 2025 08:06:47 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 0) id 34615303003; Thu, 18 Sep 2025 10:06:46 +0200 (CEST) Message-ID: <20250918080206.295040075@infradead.org> User-Agent: quilt/0.68 Date: Thu, 18 Sep 2025 09:52:27 +0200 From: Peter Zijlstra To: tglx@linutronix.de Cc: arnd@arndb.de, anna-maria@linutronix.de, frederic@kernel.org, peterz@infradead.org, luto@kernel.org, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, linux-kernel@vger.kernel.org, oliver.sang@intel.com Subject: [RFC][PATCH 8/8] sched: Default enable HRTICK References: <20250918075219.091828500@infradead.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For the robots.. let us find regressions. Signed-off-by: Peter Zijlstra (Intel) --- 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) =20 -SCHED_FEAT(HRTICK, false) -SCHED_FEAT(HRTICK_DL, false) +SCHED_FEAT(HRTICK, true) +SCHED_FEAT(HRTICK_DL, true) =20 /* * Decrement CPU capacity based on time not spent running tasks