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: 10754645 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 4922E6C5 for ; Wed, 9 Jan 2019 17:48:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3253628972 for ; Wed, 9 Jan 2019 17:48:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 26A0928D6D; Wed, 9 Jan 2019 17:48:11 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD82928972 for ; Wed, 9 Jan 2019 17:48:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0F8DB8E00A4; Wed, 9 Jan 2019 12:48:02 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 00BB88E0038; Wed, 9 Jan 2019 12:48:01 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AFFE98E00A4; Wed, 9 Jan 2019 12:48:01 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pf1-f198.google.com (mail-pf1-f198.google.com [209.85.210.198]) by kanga.kvack.org (Postfix) with ESMTP id 3EB628E00A4 for ; Wed, 9 Jan 2019 12:48:01 -0500 (EST) Received: by mail-pf1-f198.google.com with SMTP id n17so5711860pfk.23 for ; Wed, 09 Jan 2019 09:48:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references; bh=wBtTheXbL4R1uAeXtTtFTc8TW8IlrYmOF4We5vmciwM=; b=phtxgd7D8PrvSM+OiuoMTiPkiIfvoCIqPwncTyKdKwVlkadX0KWLzGKmFlnDclNjwX PyN9SBr5VOc/9oOHJHp45hKt0SkxGzb/3a/67a03+b4JzRq+34rHfrg7jLOxKq34PsmO m+63Femms5LV9W9MYdx6BVjlBGYyg+GYFdbzhpYTOzJVPXkT0XY4hR4sYiX8pLa1Mccm JzOphxVFQlg3NqE2nfBwaXt8IUFb0G1IcLHBeLs9WG5bcxI19omBFDnXCAGx/y2jNdop GbFk/jo/v3Pq4eJhTjYkeOIblf4RnLgumVfabPqqHKNsrXxfYmX+BHb+QsN2F1usWJVs 8JKA== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 134.134.136.100 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Gm-Message-State: AJcUukfowN6cYFJRP5DbLzLcLbkIY73ZI78m+3gSwyWZcAAELXOvV2ys 6oSm4Gs6J55a6xZaIqyWzHY3wWGkK/ed0eXaUUv9LFlJQpkBrwv7QSGsKDTL6NJ/Km3HcUPDCjB hc3soIoN9ua053T52T+EUgJq3Vo69pTMTQQpkyIIxfugGKMR2y1Sfmu1jHnkdu85CAQ== X-Received: by 2002:a62:6dc7:: with SMTP id i190mr6891148pfc.166.1547056080923; Wed, 09 Jan 2019 09:48:00 -0800 (PST) X-Google-Smtp-Source: ALg8bN6bdInH4Thk5nNRJ8Qs9arfp1D8edFRN6JiNOPwLhZLXXVJP4zAgBzCG7EEUFgB7nWplSax X-Received: by 2002:a62:6dc7:: with SMTP id i190mr6891126pfc.166.1547056080275; Wed, 09 Jan 2019 09:48:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1547056080; cv=none; d=google.com; s=arc-20160816; b=nHmQA0XUpdqtw0QKGOnwPtwjtRszY+IsZfV7nWS53le7il4McAKezVuhxg1H0xjeIN yIGNIOr08LBtPH5Ic6SMP/usrmJ5q7QTQ1GXOX21u5YWXwlFdj2jaiUIKb9mLqHwGR4l fLUpZPDb9iqAiA/+5SqxVAxsrIV+MyhLGRyZ6QewxV5l/wEZ6PJdclxCtIgPZLhcqhV0 5apkXSnUsH/aZZI+dMiT0jDT5aR2tBtDbLBiEzsIM1oLDO4MMHduHSfDXugpyC77/34a Nj83dkl95p0SqboplPRQGN7RcDdCxcnkcS5VdsKD4Ofmz6Auvuth5mWa9AyVawkCTBt7 U83Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from; bh=wBtTheXbL4R1uAeXtTtFTc8TW8IlrYmOF4We5vmciwM=; b=kyN0nPJBfXlDlFm45DP7MjB66KAyIiYD3ZGdvkz2uIRvOMv+11muALFMEuH6sRXy7c MpJfURztD12CbDZ5CW6jpniqo9WVEStGe2/kect6DFST+mPGxQO3WHQjtwt53kTn3bhl lDMRfew0hLhxsWGkpwZsYLrf1CO4H+Oy+k9FBahaR9cJ13LCWCSTxKC0BLPoTyE8YNHu iAXNpG7F5N8SLzcQegwqje0gRzs7A+9vNLIW8OdCcvQM8JSO0Qp2t5X5dEmd8GVy+1p6 4BWsP2D3Irqw6ksvEGXmAE5EpaLtpewiFosbLzTf75jNruiNwddRzugNMAloX6Kp2CTg 8DmQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 134.134.136.100 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id c10si25675731pla.173.2019.01.09.09.48.00 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Jan 2019 09:48:00 -0800 (PST) Received-SPF: pass (google.com: domain of keith.busch@intel.com designates 134.134.136.100 as permitted sender) client-ip=134.134.136.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 134.134.136.100 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 orsmga105.jf.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> 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..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.