Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752952Ab2BQPMh (ORCPT ); Fri, 17 Feb 2012 10:12:37 -0500 Received: from casper.infradead.org ([85.118.1.10]:48442 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056Ab2BQPMg convert rfc822-to-8bit (ORCPT ); Fri, 17 Feb 2012 10:12:36 -0500 Message-ID: <1329491549.2293.275.camel@twins> Subject: RE: perf, x86: Disable PEBS on SandyBridge chips From: Peter Zijlstra To: Maarten Lankhorst Cc: x86@kernel.org, LKML , "H. Peter Anvin" , Stephane Eranian Date: Fri, 17 Feb 2012 16:12:29 +0100 In-Reply-To: <4F3E4A7A.1070708@gmail.com> References: <4F3E4A7A.1070708@gmail.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 594 Lines: 13 On Fri, 2012-02-17 at 13:39 +0100, Maarten Lankhorst wrote: > Hey Peter, > > Why is PEBS disabled? If I look at the intel_clovertown_quirks I can see > why it's disabled for that cpu, but the sandy bridge one lacks any kind > of clarification or information on why, or how I can learn more. hpa, could you get the official Intel answer on this? -- 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/