Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-lengthrecord buffer

From: Mark Lord
Date: Sun May 13 2012 - 09:22:45 EST

On 12-05-12 02:35 PM, Linus Torvalds wrote:
> (b) The one thing I have often wanted is not "after how many seconds
> of boot", but "when". So it would actually be nice if the absolute
> time was converted into local time. The kernel can actually do that,
> so I suspect that the best format for the relative timestamps would
> really be something like
> > [May12 11:27] foo
> > [May12 11:28] bar
> > [ +5.077527] zoot
> > [ +10.235225] foo
> > [ +0.002971] bar
> > [May12 11:29] zoot
> > [ +0.003081] foo
> because that would be really useful sometimes.
> (And no, never mind the year. If you log those things long-term, the
> year will be in the full log, so logging the year in the dmesg is just
> pointless.)
> I dunno. The above is what I would have liked to see quite often. I
> look at dmesg, and notice that I had an WARN_ON_ONCE in it, and I have
> no idea when it happened, because the "seconds since boot" is totally
> useless information for me, as I'm too lazy to try to use /proc/uptime
> to calculate what it is.

Look in syslog ?

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