From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753429AbYIWESS (ORCPT ); Tue, 23 Sep 2008 00:18:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750839AbYIWESF (ORCPT ); Tue, 23 Sep 2008 00:18:05 -0400 Received: from smtp-out.google.com ([216.239.33.17]:34751 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750806AbYIWESD (ORCPT ); Tue, 23 Sep 2008 00:18:03 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=message-id:date:from:to:subject:cc:in-reply-to: mime-version:content-type:content-transfer-encoding: content-disposition:references:x-gmailtapped-by; b=hYzVu+/zTruuDISoHTFjMe6MmqwHC3GLrgAY9el366HN+ibtnRjJi5oWLvuMG1p/Z DC9vBfQXlrlMaiIfWm/cQ== Message-ID: <33307c790809222117w655894ffoce7950fb72b60e3f@mail.gmail.com> Date: Mon, 22 Sep 2008 21:17:46 -0700 From: "Martin Bligh" To: "Masami Hiramatsu" Subject: Re: Unified tracing buffer Cc: "Steven Rostedt" , "Linus Torvalds" , "Roland Dreier" , "Linux Kernel Mailing List" , "Thomas Gleixner" , "Mathieu Desnoyers" , darren@dvhart.com, "Frank Ch. Eigler" , systemtap-ml In-Reply-To: <48D86C38.9000407@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <33307c790809191433w246c0283l55a57c196664ce77@mail.gmail.com> <33307c790809221313s3532d851g7239c212bc72fe71@mail.gmail.com> <48D81B5F.2030702@redhat.com> <33307c790809221616h5e7410f5gc37c262d83722111@mail.gmail.com> <48D832B6.3010409@redhat.com> <48D86C38.9000407@redhat.com> X-GMailtapped-By: 172.25.146.19 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > yes, if event c is an interrupt event :-). > > cpu 0 cpu 1 > hit event d > hit event a > log event a > irq event c > log event c > hit event b > log event b > log event d > > so, I think if we really need to order events, we have to stop > irq right after hitting an event. How could you fix that in any practical way?