From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756603AbdLTWyp (ORCPT ); Wed, 20 Dec 2017 17:54:45 -0500 Received: from mga03.intel.com ([134.134.136.65]:22024 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755816AbdLTWym (ORCPT ); Wed, 20 Dec 2017 17:54:42 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,433,1508828400"; d="scan'208";a="14007852" From: "Fenghua Yu" To: "Thomas Gleixner" , "Ingo Molnar" , "H. Peter Anvin" , "Tony Luck" , "Shivappa, Vikas" , "Ravi V Shankar" , "Prakhya, Sai Praneeth" , "Chatre, Reinette" , "linux-kernel" , "x86" Cc: Fenghua Yu Subject: [PATCH 1/6] x86/intel_rdt: Classify /proc/cpuinfo flag bits and add missing bits in documentation Date: Wed, 20 Dec 2017 14:57:19 -0800 Message-Id: <1513810644-78015-2-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1513810644-78015-1-git-send-email-fenghua.yu@intel.com> References: <1513810644-78015-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fenghua Yu 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 --- 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: -- 1.8.3.1