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[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) Received-SPF: pass (google.com: domain of keith.busch@intel.com designates 192.55.52.88 as permitted sender) client-ip=192.55.52.88; Authentication-Results: mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 192.55.52.88 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jan 2019 09:59:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,487,1539673200"; d="scan'208";a="117227794" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by fmsmga008.fm.intel.com with ESMTP; 16 Jan 2019 09:59:39 -0800 From: Keith Busch 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 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> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190116175804.30196-1-keith.busch@intel.com> References: <20190116175804.30196-1-keith.busch@intel.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP 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.