From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756778AbZLCT2u (ORCPT ); Thu, 3 Dec 2009 14:28:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756764AbZLCT2t (ORCPT ); Thu, 3 Dec 2009 14:28:49 -0500 Received: from casper.infradead.org ([85.118.1.10]:41825 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756753AbZLCT2s (ORCPT ); Thu, 3 Dec 2009 14:28:48 -0500 Subject: Re: What is the performance when using frame pointers in the kernel? From: Peter Zijlstra To: Justin Piszcz Cc: linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Date: Thu, 03 Dec 2009 20:28:49 +0100 Message-ID: <1259868529.3977.1300.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2009-12-03 at 12:36 -0500, Justin Piszcz wrote: > What is the performance hit when the kernel is compiled with frame > pointers? build both kernels and run your favourite workload to find out.