From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [patch] Performance Counters for Linux, v2 Date: Tue, 09 Dec 2008 23:40:31 +0100 Message-ID: <87skoxc6qo.fsf@basil.nowhere.org> References: <20081208012211.GA23106@elte.hu> <7c86c4470812082237ne58c814s7218cc663f3b49e9@mail.gmail.com> <20081209134636.GA1926@elte.hu> <18750.61143.101922.949701@cargo.ozlabs.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from one.firstfloor.org ([213.235.205.2]:33010 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751073AbYLIWkO (ORCPT ); Tue, 9 Dec 2008 17:40:14 -0500 In-Reply-To: <18750.61143.101922.949701@cargo.ozlabs.ibm.com> (Paul Mackerras's message of "Wed, 10 Dec 2008 09:19:03 +1100") Sender: linux-arch-owner@vger.kernel.org List-ID: To: Paul Mackerras Cc: Ingo Molnar , eranian@gmail.com, linux-kernel@vger.kernel.org, Thomas Gleixner , linux-arch@vger.kernel.org, Andrew Morton , Eric Dumazet , Robert Richter , Arjan van de Veen , Peter Anvin , Peter Zijlstra , Steven Rostedt , David Miller , Paolo Ciarrocchi Paul Mackerras writes: > So, can we agree to discuss both sampling and counting, and design an > infrastructure that's good for both? When you say counting you should also include "event ring buffers with metadata", like PEBS on Intel x86. -Andi -- ak@linux.intel.com