linux-kernel - Re: [patch 1/3] kmsg: Kernel message catalog macros.

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Date:	Wed, 13 Aug 2008 00:04:11 -0700
From:	"Tim Hockin" <thockin@...kin.org>
To:	"Rusty Russell" <rusty@...tcorp.com.au>
Cc:	"Martin Schwidefsky" <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
	lf_kernel_messages@...ts.linux-foundation.org,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Michael Holzheu" <holzheu@...ibm.com>,
	"Gerrit Huizenga" <gh@...ibm.com>,
	"Greg Kroah-Hartman" <gregkh@...e.de>,
	"Randy Dunlap" <randy.dunlap@...cle.com>,
	"Jan Kara" <jack@...e.cz>, "Pavel Machek" <pavel@....cz>,
	"Sam Ravnborg" <sam@...nborg.org>, "Joe Perches" <joe@...ches.com>,
	"Jochen Voß" <jochen.voss@...glemail.com>,
	"Kunai Takashi" <kunai@...ux-foundation.jp>,
	"Tim Bird" <tim.bird@...sony.com>
Subject: Re: [patch 1/3] kmsg: Kernel message catalog macros.

But there are a number of places that have different strings for the
same meaning: "Can't" vs "can't" vs "can not" vs "failed to", etc.

This is a big part of what hurts us - you end up with lots of loose
regexes when parsing logs.

Tim



On Tue, Aug 12, 2008 at 9:33 PM, Rusty Russell <rusty@...tcorp.com.au> wrote:
> On Thursday 31 July 2008 02:56:57 Martin Schwidefsky wrote:
>> From: Michael Holzheu <holzheu@...ibm.com>
>> From: Martin Schwidefsky <schwidefsky@...ibm.com>
>>
>> Introduce a new family of printk macros which prefixes each kmsg message
>> with a component name and allows to tag the printk with a message id.
>
> Can you hash the format string to generate the id?  6 hex digits should be
> enough, and your tool can check for clashes.  As it's bad form to have
> identical strings for different semantics anyway, this seems to make sense.
>
> Rusty.
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