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Date:	Fri, 4 Apr 2014 17:17:09 -0400
From:	"John Stoffel" <john@...ffel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andy Lutomirski <luto@...capital.net>,
	"Theodore Ts'o" <tytso@....edu>, Joerg Roedel <joro@...tes.org>,
	Jiri Kosina <jkosina@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mateusz Guzik <mguzik@...hat.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
	Ingo Molnar <mingo@...nel.org>, Mel Gorman <mgorman@...e.de>,
	Kay Sievers <kay@...y.org>
Subject: Re: [RFC PATCH] cmdline: Hide "debug" from /proc/cmdline

>>>>> "Linus" == Linus Torvalds <torvalds@...ux-foundation.org> writes:

Linus> On Fri, Apr 4, 2014 at 11:21 AM, Andy Lutomirski <luto@...capital.net> wrote:
>> 
>> The other thing I've used /dev/kmsg for is to shove a "I'm starting
>> something now" message in.  This is only really necessary because the
>> current kernel log timestamps are unusable crap.  (We could fix that,
>> hint hint.)

Linus> I'd actually love to fix that, but I disagree with the "we could fix
Linus> it". There are tons of people who know how to parse them (admittedly
Linus> often only to ignore them), so changing the format is not likely to
Linus> work.

Linus> The good news is that "dmesg -H" does help if you're
Linus> human. While at the same time being an example of that very
Linus> "there are tools that know about the current horrid format"
Linus> issue.. D'oh.

I think you mean "dmesg -T", and unfortunately it seems Debian 6.0.9
(or older) doesn ship a new enough linux-util since I've only got
2.17.2-9 install.  

And RHEL/Centos 5.6 and 6.5 don't seem to ship that by default either,
they have got util-linux-2.13-0.56.el5 and
util-linux-ng-2.17.2-12.14.el6.x86_64 respectively.  Blech!  It's in
Linux Mint 16 at least, haven't checked older versions.

John



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