Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754563Ab2BQVkE (ORCPT ); Fri, 17 Feb 2012 16:40:04 -0500 Received: from mga11.intel.com ([192.55.52.93]:62080 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752532Ab2BQVkC (ORCPT ); Fri, 17 Feb 2012 16:40:02 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="126809862" Message-ID: <4F3EC931.2080106@linux.intel.com> Date: Fri, 17 Feb 2012 13:40:01 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20120131 Thunderbird/10.0 MIME-Version: 1.0 To: Peter Zijlstra CC: Maarten Lankhorst , x86@kernel.org, LKML , Stephane Eranian Subject: Re: perf, x86: Disable PEBS on SandyBridge chips References: <4F3E4A7A.1070708@gmail.com> <1329491549.2293.275.camel@twins> In-Reply-To: <1329491549.2293.275.camel@twins> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 682 Lines: 19 On 02/17/2012 07:12 AM, Peter Zijlstra wrote: > 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? *Where* is PEBS disabled? -hpa -- 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/