Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756145AbdCGUHs convert rfc822-to-8bit (ORCPT ); Tue, 7 Mar 2017 15:07:48 -0500 Received: from mga03.intel.com ([134.134.136.65]:44222 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751507AbdCGUHp (ORCPT ); Tue, 7 Mar 2017 15:07:45 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,258,1486454400"; d="scan'208";a="73921777" From: "Luck, Tony" To: Thomas Gleixner , Vikas Shivappa CC: "Shivappa, Vikas" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "hpa@zytor.com" , "mingo@kernel.org" , "peterz@infradead.org" , "Shankar, Ravi V" , "Yu, Fenghua" , "Kleen, Andi" , "davidcc@google.com" , "eranian@google.com" Subject: RE: [PATCH 1/1] x86/cqm: Cqm requirements Thread-Topic: [PATCH 1/1] x86/cqm: Cqm requirements Thread-Index: AQHSl2sOts4VLZEeR0qCTktsJNyXmaGKSiyA//+A7rA= Date: Tue, 7 Mar 2017 20:04:38 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F6120F0A9@ORSMSX113.amr.corp.intel.com> References: <1488908964-30261-1-git-send-email-vikas.shivappa@linux.intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.22.254.138] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 549 Lines: 15 > That's all nice and good, but I still have no coherent explanation why > measuring across allocation domains makes sense. Is this in reaction to this one? >> 5) Put multiple threads into a single measurement group If we fix it to say "threads from the same CAT group" does it fix things? We'd like to have measurement groups use a single RMID ... if we allowed tasks from different CAT groups in the same measurement group we wouldn't be able to split the numbers back to report the right overall total for each of the CAT groups. -Tony