linux-kernel - Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length record buffer

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Message-ID: <4FAD6DCA.4030909@teksavvy.com>
Date:	Fri, 11 May 2012 15:51:38 -0400
From:	Mark Lord <kernel@...savvy.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Kay Sievers <kay@...y.org>, Greg KH <gregkh@...uxfoundation.org>,
	Sasha Levin <levinsasha928@...il.com>,
	Yinghai Lu <yinghai@...nel.org>, Joe Perches <joe@...ches.com>,
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length
 record buffer

On 12-05-11 11:47 AM, Linus Torvalds wrote:
> On Fri, May 11, 2012 at 8:40 AM, Kay Sievers <kay@...y.org> wrote:
>>
>> Should we just pad the multi-newline-in-one-record output with 15
>> spaces when printk_time is on?
> 
> Yeah, I think that would be the nicest thing.
> 
> 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?

Breaks the "grep for specific messages" case.

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