From patchwork Wed Jan 16 17:58:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 10766629 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 A34E21390 for ; Wed, 16 Jan 2019 18:00:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 952EB2F0EC for ; Wed, 16 Jan 2019 18:00:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 89B8F2F103; Wed, 16 Jan 2019 18:00:31 +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 B5B752F0EC for ; Wed, 16 Jan 2019 18:00:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728158AbfAPSAP (ORCPT ); Wed, 16 Jan 2019 13:00:15 -0500 Received: from mga04.intel.com ([192.55.52.120]:8981 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728002AbfAPR7m (ORCPT ); Wed, 16 Jan 2019 12:59:42 -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 fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jan 2019 09:59:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,487,1539673200"; d="scan'208";a="117227804" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by fmsmga008.fm.intel.com with ESMTP; 16 Jan 2019 09:59:41 -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 11/13] Documentation/ABI: Add node cache attributes Date: Wed, 16 Jan 2019 10:58:02 -0700 Message-Id: <20190116175804.30196-12-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> 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 the attributes for the system memory side caches. Signed-off-by: Keith Busch --- Documentation/ABI/stable/sysfs-devices-node | 34 +++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node index 2217557f29d3..613d51fb52a3 100644 --- a/Documentation/ABI/stable/sysfs-devices-node +++ b/Documentation/ABI/stable/sysfs-devices-node @@ -142,3 +142,37 @@ Contact: Keith Busch Description: This node's write latency in nanoseconds available to memory initiators in nodes found in this class's initiators_nodelist. + +What: /sys/devices/system/node/nodeX/side_cache/indexY/associativity +Date: December 2018 +Contact: Keith Busch +Description: + The caches associativity: 0 for direct mapped, non-zero if + indexed. + +What: /sys/devices/system/node/nodeX/side_cache/indexY/level +Date: December 2018 +Contact: Keith Busch +Description: + This cache's level in the memory hierarchy. Matches 'Y' in the + directory name. + +What: /sys/devices/system/node/nodeX/side_cache/indexY/line_size +Date: December 2018 +Contact: Keith Busch +Description: + The number of bytes accessed from the next cache level on a + cache miss. + +What: /sys/devices/system/node/nodeX/side_cache/indexY/size +Date: December 2018 +Contact: Keith Busch +Description: + The size of this memory side cache in bytes. + +What: /sys/devices/system/node/nodeX/side_cache/indexY/write_policy +Date: December 2018 +Contact: Keith Busch +Description: + The cache write policy: 0 for write-back, 1 for write-through, + 2 for other or unknown.