From nobody Wed Feb 11 04:18:56 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 B6A7A1A28B; Fri, 17 May 2024 08:06:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715933175; cv=none; b=YpBooxSqeLnvvKY8FYJLGkh6869yyxoJcTGhIuKJNZT5TqdNMlaGrOTX5t3LK+IvbLWshniyvXAmmQssAzUYhF97+MMTFP0iQGDlJ5FgBFQxJ6QTdSzdfM+1vfLPlljQzv1yXa0bP5zjewAL6RE+tSVIMVc+HKTJmQ0YcjFZeTY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715933175; c=relaxed/simple; bh=p+f6z5lEdk2BPt4tpOa9NSusCoLHGwRBqkmLGKbl13c=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=EIXj2xQ8PjegbxLQHmn/AR/rjmB2toybAJQeolDLq/rCx0YoS3JvPpNOe/frA47jKr+X7pkTk65G6Mauyk46LHtuipqV/5LPIVq1gAfYIy2ky/JI6QSagJcfa11IqyoDuPLZ5Qq5MLxWG4kCwRgArkIrBtA+q+KMeHrGHHZQ82I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=nCCJp6z5; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=BHfrrSZY; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="nCCJp6z5"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="BHfrrSZY" Date: Fri, 17 May 2024 08:06:10 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1715933171; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yb6qSVvJzENichVEG4o36skuc0PZzlzAYGBpYQFWo7Y=; b=nCCJp6z5Q0+rddQv0Btr4W81oxOH8pV9s8SWystJH4OnhHPoToH5eo0Vu7N72hPvzXU/SL JoqoZGP1BSdxNLzcZ2u0swI6avovItUpRj59ROQb1PZrzWh/A8PisFhC6TQKwL7wYgQBRr 9aCXTA/5SJE5ZExiVovXYGh25fQR5EmXdTz130NPkbsPSqho4wHzGB2f6ZL5V48wFpBN2J WCsLohc5mBp25WKZXo7dc1XZAEJaaXk8pZgSY7bt2ZqDrsZ+fDj3YRpypHPTaRBObzgb9K omRQ3Qic2vjTZgoyhhRTbAawoY7aTr3jlQrxn1zo0R5Wbm7DyW3tEaSmTmD2tw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1715933171; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yb6qSVvJzENichVEG4o36skuc0PZzlzAYGBpYQFWo7Y=; b=BHfrrSZYrFTB2YEi04Fg2wopmYcQX3H69H4oWlSVAJboV9gZlVvxYUxBdC1SovsAMcd7hq kDXhSO6KuR6/oKCA== From: "tip-bot2 for Vitalii Bursov" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/urgent] docs: cgroup-v1: Clarify that domain levels are system-specific Cc: Vitalii Bursov , Ingo Molnar , Valentin Schneider , Vincent Guittot , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <42b177a2e897cdf880caf9c2025f5b609e820334.1714488502.git.vitaly@bursov.com> References: <42b177a2e897cdf880caf9c2025f5b609e820334.1714488502.git.vitaly@bursov.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <171593317094.10875.16081049841681398832.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the sched/urgent branch of tip: Commit-ID: 0f1c74befa656305ecc85c954dc31f84c1cc26e1 Gitweb: https://git.kernel.org/tip/0f1c74befa656305ecc85c954dc31f84c= 1cc26e1 Author: Vitalii Bursov AuthorDate: Tue, 30 Apr 2024 18:05:25 +03:00 Committer: Ingo Molnar CommitterDate: Fri, 17 May 2024 09:48:25 +02:00 docs: cgroup-v1: Clarify that domain levels are system-specific Add a clarification that domain levels are system-specific and where to check for system details. Signed-off-by: Vitalii Bursov Signed-off-by: Ingo Molnar Reviewed-by: Valentin Schneider Acked-by: Vincent Guittot Link: https://lore.kernel.org/r/42b177a2e897cdf880caf9c2025f5b609e820334.17= 14488502.git.vitaly@bursov.com --- Documentation/admin-guide/cgroup-v1/cpusets.rst | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/cgroup-v1/cpusets.rst b/Documentatio= n/admin-guide/cgroup-v1/cpusets.rst index 7d3415e..f401af5 100644 --- a/Documentation/admin-guide/cgroup-v1/cpusets.rst +++ b/Documentation/admin-guide/cgroup-v1/cpusets.rst @@ -568,7 +568,7 @@ on the next tick. For some applications in special sit= uation, waiting =20 The 'cpuset.sched_relax_domain_level' file allows you to request changing this searching range as you like. This file takes int value which -indicates size of searching range in levels ideally as follows, +indicates size of searching range in levels approximately as follows, otherwise initial value -1 that indicates the cpuset has no request. =20 =3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D @@ -581,6 +581,11 @@ otherwise initial value -1 that indicates the cpuset h= as no request. 5 search system wide [on NUMA system] =3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 +Not all levels can be present and values can change depending on the +system architecture and kernel configuration. Check +/sys/kernel/debug/sched/domains/cpu*/domain*/ for system-specific +details. + The system default is architecture dependent. The system default can be changed using the relax_domain_level=3D boot parameter.