From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755219Ab1G1NJg (ORCPT ); Thu, 28 Jul 2011 09:09:36 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:36852 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752963Ab1G1NJd (ORCPT ); Thu, 28 Jul 2011 09:09:33 -0400 Date: Thu, 28 Jul 2011 15:09:28 +0200 From: Frederic Weisbecker To: Peter Zijlstra Cc: Vaibhav Nagarnaik , Thomas Gleixner , Ingo Molnar , Steven Rostedt , Michael Rubin , David Sharp , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v2 0/6] Add tracepoints to trace all system IRQs Message-ID: <20110728130925.GB11820@somewhere.redhat.com> References: <1310679495-29104-1-git-send-email-vnagarnaik@google.com> <1311793038-15155-1-git-send-email-vnagarnaik@google.com> <1311855169.2617.168.camel@laptop> <20110728123131.GA11820@somewhere.redhat.com> <1311857632.2617.172.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1311857632.2617.172.camel@laptop> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 28, 2011 at 02:53:52PM +0200, Peter Zijlstra wrote: > On Thu, 2011-07-28 at 14:31 +0200, Frederic Weisbecker wrote: > > > > Because that requires to put the tracepoints in every interrupt sources > > for every archs instead of putting one in the generic space. > > Yeah so, he needs to touch arch code anyway. He needs to touch arch code for pure arch interrupts or some cases where we don't have the choice. But otherwise there are many cases where we can put that in the generic code. > > As it stands this patch-set is an utter trainwreck and isn't going > anywhere. >