Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756785AbYLEAn3 (ORCPT ); Thu, 4 Dec 2008 19:43:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752127AbYLEAnU (ORCPT ); Thu, 4 Dec 2008 19:43:20 -0500 Received: from ozlabs.org ([203.10.76.45]:39994 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751834AbYLEAnT (ORCPT ); Thu, 4 Dec 2008 19:43:19 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18744.31008.944385.467622@cargo.ozlabs.ibm.com> Date: Fri, 5 Dec 2008 11:43:12 +1100 From: Paul Mackerras To: "H. Peter Anvin" Cc: Thomas Gleixner , LKML , linux-arch@vger.kernel.org, Andrew Morton , Ingo Molnar , Stephane Eranian , Eric Dumazet , Robert Richter , Arjan van de Veen , Peter Zijlstra , Steven Rostedt , David Miller Subject: Re: [patch 0/3] [Announcement] Performance Counters for Linux In-Reply-To: <49387463.5070100@zytor.com> References: <20081204225345.654705757@linutronix.de> <49387463.5070100@zytor.com> X-Mailer: VM 8.0.9 under Emacs 22.2.1 (i486-pc-linux-gnu) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 664 Lines: 16 H. Peter Anvin writes: > First of all, let me say I really like what I've seen so far. The file > descriptor paradigm seems really elegant to me. I have to say, without intending any disrespect, that it looks to me like it was designed by someone who hasn't actually ever done much serious performance analysis or tuning using these hardware facilities. If I'm wrong about that, I'm willing to be corrected. Paul. -- 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/