From patchwork Wed Jan 9 17:43:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 10754673 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9966A1850 for ; Wed, 9 Jan 2019 17:48:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B78028C6F for ; Wed, 9 Jan 2019 17:48:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7F18A28C9E; Wed, 9 Jan 2019 17:48:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2ACD828C64 for ; Wed, 9 Jan 2019 17:48:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727284AbfAIRsB (ORCPT ); Wed, 9 Jan 2019 12:48:01 -0500 Received: from mga11.intel.com ([192.55.52.93]:34827 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727275AbfAIRsB (ORCPT ); Wed, 9 Jan 2019 12:48:01 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jan 2019 09:47:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,458,1539673200"; d="scan'208";a="115485629" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by fmsmga008.fm.intel.com with ESMTP; 09 Jan 2019 09:47:59 -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: [PATCHv3 08/13] Documentation/ABI: Add node performance attributes Date: Wed, 9 Jan 2019 10:43:36 -0700 Message-Id: <20190109174341.19818-9-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190109174341.19818-1-keith.busch@intel.com> References: <20190109174341.19818-1-keith.busch@intel.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org 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..74cfc80cabf6 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 nanosecondss 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 nanosecondss available to memory + initiators in nodes found in this class's initiators_nodelist.