Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758253AbXKMP1h (ORCPT ); Tue, 13 Nov 2007 10:27:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754964AbXKMP1a (ORCPT ); Tue, 13 Nov 2007 10:27:30 -0500 Received: from outbound-sin.frontbridge.com ([207.46.51.80]:23279 "EHLO outbound4-sin-R.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754859AbXKMP13 (ORCPT ); Tue, 13 Nov 2007 10:27:29 -0500 X-BigFish: VP X-MS-Exchange-Organization-Antispam-Report: OrigIP: 163.181.251.8;Service: EHS X-Server-Uuid: D6C75999-9DAF-4D89-B9AC-C25E3A0BB76A Date: Tue, 13 Nov 2007 16:17:18 +0100 From: "Robert Richter" To: "Andi Kleen" cc: gregkh@suse.de, akpm@osdl.org, eranian@hpl.hp.com, linux-kernel@vger.kernel.org, perfmon2-devel@lists.sourceforge.net Subject: perfmon2 merge news Message-ID: <20071113151718.GA3804@erda.amd.com> References: <20071107003454.GA13374@kroah.com> <20071109120627.60ec9ab4.akpm@linux-foundation.org> <20071109213829.GC28276@kroah.com> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) X-OriginalArrivalTime: 13 Nov 2007 15:17:18.0849 (UTC) FILETIME=[47EEDF10:01C82608] X-WSS-ID: 6B271F8B24S2339257-01-01 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 983 Lines: 27 On 10.11.07 21:32:39, Andi Kleen wrote: > It would be really good to extract a core perfmon and start with > that and then add stuff as it makes sense. > > e.g. core perfmon could be something simple like just support > to context switch state and initialize counters in a basic way > and perhaps get counter numbers for RDPMC in ring3 on x86[1] Perhaps a core could provide also as much functionality so that Perfmon can be used with an *unpatched* kernel using loadable modules? One drawback with today's Perfmon is that it can not be used with a vanilla kernel. But maybe such a core is by far too complex for a first merge. -Robert -- Advanced Micro Devices, Inc. Operating System Research Center email: robert.richter@amd.com - 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/