Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755821AbYK0MgT (ORCPT ); Thu, 27 Nov 2008 07:36:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752765AbYK0MgK (ORCPT ); Thu, 27 Nov 2008 07:36:10 -0500 Received: from one.firstfloor.org ([213.235.205.2]:55038 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752238AbYK0MgJ (ORCPT ); Thu, 27 Nov 2008 07:36:09 -0500 Date: Thu, 27 Nov 2008 13:46:40 +0100 From: Andi Kleen To: eranian@gmail.com Cc: Andi Kleen , Thomas Gleixner , David Miller , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, mingo@elte.hu, x86@kernel.org, sfr@canb.auug.org.au Subject: Re: [patch 05/24] perfmon: X86 generic code (x86) Message-ID: <20081127124640.GM6703@one.firstfloor.org> References: <7c86c4470811270209q18d4e83aq8901837159838cc4@mail.gmail.com> <20081127113115.GH6703@one.firstfloor.org> <7c86c4470811270335p2dbd61ebpe2c584e32d8b2292@mail.gmail.com> <20081127.034247.72331360.davem@davemloft.net> <20081127123811.GJ6703@one.firstfloor.org> <7c86c4470811270431n5cf1b863tc4f8c7829283e332@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7c86c4470811270431n5cf1b863tc4f8c7829283e332@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 562 Lines: 18 > That's true for Intel. > On AMD64, I think you can get at most one sample out of a irq-off > region using IBS. Assuming that the irqs off regions are not too long (and that's usually the case) that should be enough, shouldn't it? Sure there are still CPUs with neither IBS or PEBS. -Andi -- ak@linux.intel.com -- 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/