From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751429Ab2GCEEx (ORCPT ); Tue, 3 Jul 2012 00:04:53 -0400 Received: from one.firstfloor.org ([213.235.205.2]:43863 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750783Ab2GCEEw (ORCPT ); Tue, 3 Jul 2012 00:04:52 -0400 Date: Tue, 3 Jul 2012 06:04:46 +0200 From: Andi Kleen To: Stephane Eranian Cc: Andi Kleen , Peter Zijlstra , Andi Kleen , x86@kernel.org, linux-kernel@vger.kernel.org, Jiri Olsa Subject: Re: [PATCH 2/5] perf, x86: Enable PDIR precise instruction profiling on IvyBridge Message-ID: <20120703040446.GJ11413@one.firstfloor.org> References: <1341254598-1379-1-git-send-email-andi@firstfloor.org> <1341254598-1379-3-git-send-email-andi@firstfloor.org> <1341256733.23484.11.camel@twins> <20120702195744.GG11413@one.firstfloor.org> <1341260540.23484.25.camel@twins> <20120702210008.GB14479@tassilo.jf.intel.com> <1341265014.23484.47.camel@twins> <20120702215722.GC14479@tassilo.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Well, the only way I can think of would be to request that the > event be programmed with exclusive mode ALWAYS. That > should not be to hard to add. I suspect it would need some special callbacks from the events core, that's why I only tried on IvyBridge. Anyways, I'll drop it as the people in charge didn't approve of instruction sampling. -Andi