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SubjectRe: [PATCH] printk: support structured and multi-facility log messages
On Wed, Apr 04, 2012 at 04:51:20PM -0700, Joe Perches wrote:
> On Wed, 2012-04-04 at 21:59 +0200, Kay Sievers wrote:
> > From: Kay Sievers <kay@vrfy.org>
> > Subject: printk: support structured and multi-facility log messages
> []
> > This patch extends printk() to be able to attach arbitrary key/value
> > pairs to logged messages,
>
> How does it do that?

The implementation doesn't show that?

> []
>
> > - Records consume almost the same amount, sometimes less memory than
> > the traditional byte stream buffer (if printk_time is enabled). The record
> > header is 16 bytes long, plus some padding bytes at the end if needed.
> > The byte-stream buffer needed 3 chars for the syslog prefix, 15 char for
> > the timestamp and a newline.
>
> I suggest using lzo on the string portion.

As the used overall size is pretty much the same, that doesn't really
seem necessary to me.

thanks,

greg k-h


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