From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by kanga.kvack.org (Postfix) with ESMTP id 3B5328E000D for ; Wed, 16 Jan 2019 12:59:49 -0500 (EST) Received: by mail-pl1-f198.google.com with SMTP id c14so4255338pls.21 for ; Wed, 16 Jan 2019 09:59:49 -0800 (PST) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTPS id d18si6701527pgm.212.2019.01.16.09.59.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Jan 2019 09:59:41 -0800 (PST) From: Keith Busch Subject: [PATCHv4 08/13] Documentation/ABI: Add node performance attributes Date: Wed, 16 Jan 2019 10:57:59 -0700 Message-Id: <20190116175804.30196-9-keith.busch@intel.com> In-Reply-To: <20190116175804.30196-1-keith.busch@intel.com> References: <20190116175804.30196-1-keith.busch@intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org Cc: Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams , Keith Busch Add descriptions for memory class initiator performance access attributes. Signed-off-by: Keith Busch --- Documentation/ABI/stable/sysfs-devices-node | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node index a9c47b4b0eee..2217557f29d3 100644 --- a/Documentation/ABI/stable/sysfs-devices-node +++ b/Documentation/ABI/stable/sysfs-devices-node @@ -114,3 +114,31 @@ Description: The node list of memory targets that this initiator node has class "Y" access. Memory accesses from this node to nodes not in this list may have differet performance. + +What: /sys/devices/system/node/nodeX/classY/read_bandwidth +Date: December 2018 +Contact: Keith Busch +Description: + This node's read bandwidth in MB/s available to memory + initiators in nodes found in this class's initiators_nodelist. + +What: /sys/devices/system/node/nodeX/classY/read_latency +Date: December 2018 +Contact: Keith Busch +Description: + This node's read latency in nanoseconds available to memory + initiators in nodes found in this class's initiators_nodelist. + +What: /sys/devices/system/node/nodeX/classY/write_bandwidth +Date: December 2018 +Contact: Keith Busch +Description: + This node's write bandwidth in MB/s available to memory + initiators in nodes found in this class's initiators_nodelist. + +What: /sys/devices/system/node/nodeX/classY/write_latency +Date: December 2018 +Contact: Keith Busch +Description: + This node's write latency in nanoseconds available to memory + initiators in nodes found in this class's initiators_nodelist. -- 2.14.4