Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753463Ab2ELHoT (ORCPT ); Sat, 12 May 2012 03:44:19 -0400 Received: from mail-ob0-f174.google.com ([209.85.214.174]:48657 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751556Ab2ELHoR convert rfc822-to-8bit (ORCPT ); Sat, 12 May 2012 03:44:17 -0400 MIME-Version: 1.0 In-Reply-To: References: <1336475689.1179.12.camel@mop> <1336571457.30189.29.camel@joe2Laptop> <20120509230649.GA10695@kroah.com> <1336617045.25027.2.camel@mop> <20120511151944.GA6990@kroah.com> From: Sasha Levin Date: Sat, 12 May 2012 09:43:57 +0200 Message-ID: Subject: Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length record buffer To: Linus Torvalds Cc: Kay Sievers , Greg KH , Yinghai Lu , Joe Perches , Ingo Molnar , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1419 Lines: 41 On Fri, May 11, 2012 at 5:47 PM, Linus Torvalds wrote: > Btw, I'd also *love* to see some model (eventually - not necessarily > now) where we could have the option of the time printouts being a bit > different (rather than just on/off). It would be very nice if we had > "relative" time printouts for events close together, so the rule could > be something like: > > ?- if time is same as last line, pad with empty > > ?- if time is more than a minute from last one, show an absolute value > of dd hh:mm:ss > > ?- otherwise, show a relative value of +ss.mmmmmm > > So the on/off choice could be on/off/relative. > > Hmm? So I got something like this: # sleep 61 ; echo foo > /dev/kmsg ; sleep 61 ; echo bar > /dev/kmsg ; sleep 5 ; echo zoot > /dev/kmsg ; sleep 10 ; echo foo > /dev/kmsg ; echo bar > /dev/kmsg ; sleep 61 ; echo zoot > /dev/kmsg ; echo foo > /dev/kmsg [ 673.222632] foo [ 734.315249] bar [ +5.077527] zoot [ +10.235225] foo [ +0.002971] bar [ 810.883085] zoot [ +0.003081] foo If that looks right, I can send a patch once this printf overhaul is stable, unless Kay already plans on doing it as part of his work. -- 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/