From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754955AbeARIiS (ORCPT ); Thu, 18 Jan 2018 03:38:18 -0500 Received: from terminus.zytor.com ([65.50.211.136]:36335 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754870AbeARIiR (ORCPT ); Thu, 18 Jan 2018 03:38:17 -0500 Date: Thu, 18 Jan 2018 00:37:08 -0800 From: tip-bot for Fenghua Yu Message-ID: Cc: mingo@kernel.org, reinette.chatre@intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, hpa@zytor.com, sai.praneeth.prakhya@intel.com, tony.luck@intel.com, ravi.v.shankar@intel.com, fenghua.yu@intel.com, vikas.shivappa@intel.com Reply-To: vikas.shivappa@intel.com, fenghua.yu@intel.com, ravi.v.shankar@intel.com, linux-kernel@vger.kernel.org, sai.praneeth.prakhya@intel.com, hpa@zytor.com, tony.luck@intel.com, reinette.chatre@intel.com, tglx@linutronix.de, mingo@kernel.org In-Reply-To: <1513810644-78015-2-git-send-email-fenghua.yu@intel.com> References: <1513810644-78015-2-git-send-email-fenghua.yu@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/cache] x86/intel_rdt: Update documentation Git-Commit-ID: 0ff8e080b18d1d2dbe5c866d5f31c27ab806a785 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 0ff8e080b18d1d2dbe5c866d5f31c27ab806a785 Gitweb: https://git.kernel.org/tip/0ff8e080b18d1d2dbe5c866d5f31c27ab806a785 Author: Fenghua Yu AuthorDate: Wed, 20 Dec 2017 14:57:19 -0800 Committer: Thomas Gleixner CommitDate: Thu, 18 Jan 2018 09:33:30 +0100 x86/intel_rdt: Update documentation With more flag bits in /proc/cpuinfo for RDT, it's better to classify the bits for readability. Some previously missing bits are added as well. Signed-off-by: Fenghua Yu Signed-off-by: Thomas Gleixner Cc: "Ravi V Shankar" Cc: "Tony Luck" Cc: Vikas" Cc: Sai Praneeth" Cc: Reinette" Link: https://lkml.kernel.org/r/1513810644-78015-2-git-send-email-fenghua.yu@intel.com --- Documentation/x86/intel_rdt_ui.txt | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/x86/intel_rdt_ui.txt b/Documentation/x86/intel_rdt_ui.txt index 6851854..1ad77b1 100644 --- a/Documentation/x86/intel_rdt_ui.txt +++ b/Documentation/x86/intel_rdt_ui.txt @@ -7,7 +7,13 @@ Tony Luck Vikas Shivappa This feature is enabled by the CONFIG_INTEL_RDT Kconfig and the -X86 /proc/cpuinfo flag bits "rdt", "cqm", "cat_l3" and "cdp_l3". +X86 /proc/cpuinfo flag bits: +RDT (Resource Director Technology) Allocation - "rdt_a" +CAT (Cache Allocation Technology) - "cat_l3", "cat_l2" +CDP (Code and Data Prioritization ) - "cdp_l3" +CQM (Cache QoS Monitoring) - "cqm_llc", "cqm_occup_llc" +MBM (Memory Bandwidth Monitoring) - "cqm_mbm_total", "cqm_mbm_local" +MBA (Memory Bandwidth Allocation) - "mba" To use the feature mount the file system: