Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761298Ab1EARze (ORCPT ); Sun, 1 May 2011 13:55:34 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:54288 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755062Ab1EARzb (ORCPT ); Sun, 1 May 2011 13:55:31 -0400 Date: Sun, 1 May 2011 19:55:05 +0200 From: Ingo Molnar To: Corey Ashford Cc: Thomas Gleixner , Andi Kleen , Pekka Enberg , Vince Weaver , torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Stephane Eranian , Carl Love Subject: Re: re-enable Nehalem raw Offcore-Events support Message-ID: <20110501175505.GA27830@elte.hu> References: <20110429172525.GA2745@tassilo.jf.intel.com> <4DBC6BC1.5090102@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4DBC6BC1.5090102@linux.vnet.ibm.com> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1155 Lines: 30 * Corey Ashford wrote: > Carl Love and I recently completed some work to add perf_events support for > the IBM Blue Waters machine's "CPU networking" chip, called the Torrent chip. > We did all of this work based on a RHEL 6 kernel (2.6.32ish), which doesn't > have Peter's more recent multi-PMU support. > > I would say that most if not all of the events are not generalizable in the > sense that you are talking about; the events are very specific to the Torrent > chip. [...] That's ok and not a problem. The issue here are events that *are* generalizable. > So if I'm understanding what you have said correctly, we would not be able to > get a forward port of this code committed without abstracting these events in > a away that's acceptable to the kernel community. [...] If the number of events worth generalizing is the empty set that's ok. Thanks, Ingo -- 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/