From patchwork Mon Mar 17 13:55:41 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artem Bityutskiy X-Patchwork-Id: 14019630 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 DC7B823FC54 for ; Mon, 17 Mar 2025 13:55:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742219749; cv=none; b=CZWfE/6ILBS6WDb/dSc9jOPJJSIGUqfxSvZGS3538Ck5sAbGpO1f5IRDo6FtxwIU8tbrtjEUceg0cPm4H6hSJ7ljkS+a4Q1mNKR9zdGg8gPCbpv/rjLbP8E8n2MKXZIxtbiyYZCnewKG5WarP6vE2QOJEPZIvSX8A6zCwKn01U0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742219749; c=relaxed/simple; bh=JMIsGb8VYvJt2YUNg0dD2giiZhtZIXhCHFEA09ePRnQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gATl053UGeOvWZaVih921vYJrfLt2RzsECa7MCKG/tE9Jy18DqH4erKOqambDcmDOcBUsE4Ay6XlZsBxV2Q/nAudAhxonbPo/bR1SxNXk36zmpPyf3445mLSOE3j8rIcXP85u+OjQpTAnMdXEI2uodgCcBHxDMS4c6lsLUJSC3U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com; spf=fail smtp.mailfrom=gmail.com; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=gmail.com X-CSE-ConnectionGUID: ijx/P0RARrWb3NyDpnwbcQ== X-CSE-MsgGUID: xWkNb2pVQ8iOrsYxloRfKQ== X-IronPort-AV: E=McAfee;i="6700,10204,11376"; a="43515494" X-IronPort-AV: E=Sophos;i="6.14,254,1736841600"; d="scan'208";a="43515494" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2025 06:55:48 -0700 X-CSE-ConnectionGUID: 21NeatP0SdKO10ieyr/e4w== X-CSE-MsgGUID: rwTB/OscTZKKeDJBljKiBw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,254,1736841600"; d="scan'208";a="127115538" Received: from powerlab.fi.intel.com (HELO powerlab.backendnet) ([10.237.71.25]) by orviesa005.jf.intel.com with ESMTP; 17 Mar 2025 06:55:46 -0700 From: Artem Bityutskiy To: "Rafael J. Wysocki" Cc: Linux PM Mailing List Subject: [PATCH v3 3/3] Documentation: ABI: testing: document the new cpuidle sysfs file Date: Mon, 17 Mar 2025 15:55:41 +0200 Message-ID: <20250317135541.1471754-4-dedekind1@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250317135541.1471754-1-dedekind1@gmail.com> References: <20250317135541.1471754-1-dedekind1@gmail.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Artem Bityutskiy Mention the new 'intel_c1_demotion' sysfs file in the "cpuidle" section and refer to "Documentation/admin-guide/pm/intel_idle.rst" for more information. Signed-off-by: Artem Bityutskiy --- Documentation/ABI/testing/sysfs-devices-system-cpu | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 206079d3bd5b1..6c4934d3f4db3 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -111,6 +111,7 @@ What: /sys/devices/system/cpu/cpuidle/available_governors /sys/devices/system/cpu/cpuidle/current_driver /sys/devices/system/cpu/cpuidle/current_governor /sys/devices/system/cpu/cpuidle/current_governer_ro + /sys/devices/system/cpu/cpuidle/intel_c1_demotion Date: September 2007 Contact: Linux kernel mailing list Description: Discover cpuidle policy and mechanism @@ -132,7 +133,11 @@ Description: Discover cpuidle policy and mechanism current_governor_ro: (RO) displays current idle policy. - See Documentation/admin-guide/pm/cpuidle.rst and + intel_c1_demotion: (RW) enables/disables the C1 demotion + feature on Intel CPUs. + + See Documentation/admin-guide/pm/cpuidle.rst, + Documentation/admin-guide/pm/intel_idle.rst, and Documentation/driver-api/pm/cpuidle.rst for more information.