Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757271Ab1EBScU (ORCPT ); Mon, 2 May 2011 14:32:20 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.146]:51819 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752287Ab1EBScT (ORCPT ); Mon, 2 May 2011 14:32:19 -0400 Message-ID: <4DBEF8A8.6040401@linux.vnet.ibm.com> Date: Mon, 02 May 2011 11:32:08 -0700 From: Corey Ashford User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Fedora/3.1.9-0.39.b3pre.fc14 Thunderbird/3.1.9 MIME-Version: 1.0 To: Ingo Molnar 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 References: <20110429172525.GA2745@tassilo.jf.intel.com> <4DBC6BC1.5090102@linux.vnet.ibm.com> <20110501175505.GA27830@elte.hu> In-Reply-To: <20110501175505.GA27830@elte.hu> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1283 Lines: 37 On 05/01/2011 10:55 AM, Ingo Molnar wrote: > > * 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 Great, that's good to hear. Thanks, - Corey -- 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/