Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932964AbbKMRne (ORCPT ); Fri, 13 Nov 2015 12:43:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53729 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754364AbbKMRnd (ORCPT ); Fri, 13 Nov 2015 12:43:33 -0500 Date: Fri, 13 Nov 2015 15:43:02 -0200 From: Marcelo Tosatti To: Peter Zijlstra Cc: Luiz Capitulino , Thomas Gleixner , Vikas Shivappa , Tejun Heo , Yu Fenghua , linux-kernel@vger.kernel.org Subject: Re: [PATCH RFC] ioctl based CAT interface Message-ID: <20151113174300.GA14726@amt.cnet> References: <20151113163933.GA10222@amt.cnet> <20151113165100.GI17308@twins.programming.kicks-ass.net> <20151113172740.GA13490@amt.cnet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151113172740.GA13490@amt.cnet> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1216 Lines: 31 On Fri, Nov 13, 2015 at 03:27:40PM -0200, Marcelo Tosatti wrote: > On Fri, Nov 13, 2015 at 05:51:00PM +0100, Peter Zijlstra wrote: > > On Fri, Nov 13, 2015 at 02:39:33PM -0200, Marcelo Tosatti wrote: > > > + * * one tcrid entry can be in different locations > > > + * in different sockets. > > > > NAK on that without cpuset integration. > > > > I do not want freely migratable tasks having radically different > > performance profiles depending on which CPU they land. > > Please expand on what "cpuset integration" means, operationally. > I hope it does not mean "i prefer cgroups as an interface", > because that does not mean much to me. > > So you are saying this should be based on cgroups? Have you seen the > cgroups proposal and the issues with it, that have been posted? Subject: cat cgroup interface proposal (non hierarchical) was Re: [PATCH V15 00/11] x86: Intel Cache Allocation Technology Support https://lkml.org/lkml/2015/11/2/700 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/