Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753661AbYLIMOZ (ORCPT ); Tue, 9 Dec 2008 07:14:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751537AbYLIMOP (ORCPT ); Tue, 9 Dec 2008 07:14:15 -0500 Received: from nf-out-0910.google.com ([64.233.182.185]:48107 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751511AbYLIMON (ORCPT ); Tue, 9 Dec 2008 07:14:13 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=s1Cs3rp3dA0WSJMWvkvXcphiPPrmQY//BSPlQuV9hrE3k0GAl4Y1Qa1To+br61Z3Xe B34EuqRySX5VI6IgbCKKETCjGGcjMp2HTzWpBK8qDgk+uAaFgbasrxs2DJdF+gIntZq/ 8IjbKbQzR9cMXuseHhcFo3buQ20/wUBnTBkdA= Message-ID: <4d8e3fd30812090414v2e7a4bc3h621ca56e91ae367@mail.gmail.com> Date: Tue, 9 Dec 2008 13:14:11 +0100 From: "Paolo Ciarrocchi" To: "David Miller" , "Ingo Molnar" Subject: Re: [patch] Performance Counters for Linux, v2 Cc: eranian@gmail.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, linux-arch@vger.kernel.org, akpm@linux-foundation.org, dada1@cosmosbay.com, robert.richter@amd.com, arjan@infradead.org, hpa@zytor.com, a.p.zijlstra@chello.nl, rostedt@goodmis.org, paulus@samba.org In-Reply-To: <20081209.032955.101042639.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081209110246.GC21618@elte.hu> <20081209.031120.90683825.davem@davemloft.net> <20081209112225.GD21618@elte.hu> <20081209.032955.101042639.davem@davemloft.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1757 Lines: 51 On Tue, Dec 9, 2008 at 12:29 PM, David Miller wrote: > From: Ingo Molnar > Date: Tue, 9 Dec 2008 12:22:25 +0100 > >> >> * David Miller wrote: >> >> > From: Ingo Molnar >> > Date: Tue, 9 Dec 2008 12:02:46 +0100 >> > >> > > >> > > * stephane eranian wrote: >> > > >> > > > > There's also more generic x86 support: all 4 generic PMCs of Nehalem >> > > > > / Core i7 are supported - i've run 4 instances of KernelTop and they >> > > > > used up four separate PMCs. >> > > > >> > > > Core/Atom have 5 counters, Nehalem has 7. Why are you not using all of >> > > > them already? >> > > >> > > no, Nehalem has 4 generic purpose PMCs and 3 fixed-purpose PMCs (7 >> > > total), >> > ... >> > > Saying that it has 7 is misleading. >> > >> > Even you just did. >> >> which portion of my point stressing the general purpose attribute was >> unclear to you? > > I'm just teasing you because you picked a trite point from stephane's > email instead of the meat later on, which I would have found more > interesting to hear you comment on. I'm interested in Ingo's comments on that argument as well but I don't feel the need to act like were are all in a kindergarten. You are two astonishing developers and I'm sure you can demonstrate that you can have a pure technical discussion on this topic as you did several times in the past. Regards, -- Paolo http://paolo.ciarrocchi.googlepages.com/ http://mypage.vodafone.it/ -- 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/