From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 5CA4A72A for ; Fri, 30 Jun 2017 00:41:31 +0000 (UTC) Received: from mail-it0-f67.google.com (mail-it0-f67.google.com [209.85.214.67]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 40AF8E9 for ; Fri, 30 Jun 2017 00:41:30 +0000 (UTC) Received: by mail-it0-f67.google.com with SMTP id v193so2428135itc.2 for ; Thu, 29 Jun 2017 17:41:30 -0700 (PDT) MIME-Version: 1.0 Sender: linus971@gmail.com In-Reply-To: <20170629203224.6bf7f29a@gandalf.local.home> References: <152520246.5707.1498771254819.JavaMail.zimbra@efficios.com> <20170629195537.534445e7@gandalf.local.home> <20170629203224.6bf7f29a@gandalf.local.home> From: Linus Torvalds Date: Thu, 29 Jun 2017 17:41:29 -0700 Message-ID: To: Steven Rostedt Content-Type: text/plain; charset="UTF-8" Cc: ksummit , Peter Zijlstra , Julien Desfossez , daolivei , bristot , Ingo Molnar Subject: Re: [Ksummit-discuss] [TECH TOPIC] Pulling away from the tracing ABI quicksands List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Jun 29, 2017 at 5:32 PM, Steven Rostedt wrote: > > This is actually something quite different, and new. It sounds similar, > but its not. No, I remember the particular scheduler tracepoint discussion. And the answer remains exactly the same. If some internal detail no longer exists, just zero out the field. And no, don't add new, even more specialized fields. Just get over this discussion already. Linus