Hi,

On Fri, Oct 14, 2011 at 8:52 AM, Nali Toja <nalit...@gmail.com> wrote:
> Alexander Best <arun...@freebsd.org> writes:
>
>>> On Fri Oct 14 11, Poul-Henning Kamp wrote:
>>> > In message <20111014085609.ga3...@freebsd.org>, Alexander Best writes:
>>> >
>>> > >1) would it be possible to prepend those timestamps to the actual console
>>> > >output and not only to the output of demsg? maybe via a sysctl toggle?
>>> >
>>> > The kernel does not know enough about timezones to emit anything
>>> > but UTC timestamps.
>>>
>>> hmm ok.
>>>
>>> >
>>> > >2) my dmesg output contains a lot of these entries: "<118>"
>>> >
>>> > These are magic markers for syslogd(8) specifying priority.
>>>
>>> it would be nice, if their output could be turned off via a dmesg flag imo.
>>>
>>> >
>>> > >3) roughly the first 30 lines of my dmesg output have the timestamp 
>>> > >"[1.0]".
>>> > >would it be possible to have more accuracy there?
>>> >
>>> > No, because we don't know the time until we've found the RTC chip.
>>>
>>> maybe prepending the output with [??] instead of [1.0] would make more 
>>> sense,
>>> so users knows that those timestamps are bogus.
>>
>> maybe the granularity of the timestamps could be limited to a static value? 
>> the
>> following output doesn't really look pretty:
>>
>> [7.729516] <118>/dev/ufs/varfs: clean, 879143 free (7407 frags, 108967 
>> blocks, 0.7% fragmentation)
>> [7.891512] <118>Mounting local file systems:WARNING: TMPFS is considered to 
>> be a highly experimental feature in FreeBSD.
>> [8.33519] .
>> [9.440514] <118>Setting hostname: otaku.
>> [9.744516] wlan0: Ethernet address: 00:0f:b5:82:07:c8
>> [9.850516] <118>Starting wpa_supplicant.
>> [10.335514] <118>Starting Network: lo0 ath0.
>>
>> so it would be nice, if trailing zeros got printed out, too.
>
> Why not make formatting similar to linux/xorg logs, e.g.
>
>  [    31.897] (**) Option "XkbLayout" "us"
>  [    31.897] (II) XINPUT: Adding extended input device "<default keyboard>" 
> (type: KEYBOARD, id 7)
>  [ 11485.404] (II) 3rd Button detected: disabling emulate3Button
>
>  [    0.000000] Linux version 3.0-ARCH (tobias@T-POWA-LX) (gcc version 4.6.1 
> 20110819 (prerelease) (GCC) ) #1 SMP PREEMPT Tue Aug 30 08:53:25 CEST 2011
>  [    0.000000] Command line: 
> root=/dev/disk/by-uuid/625db1f5-9b51-4d2d-acb7-6726f4d7e199 ro
>  [...]
>  [   15.096862] NET: Registered protocol family 10
>  [   16.792594] [drm] nouveau 0000:01:00.0: plugged DVI-I-2
>  [   26.054186] eth0: no IPv6 routers present
>
> A way to convert those timestamps to localtime or time delta[1] post-mortem
> via dmesg(8) would be good, too.
>
well, I do not care for the "pretty" side of the thing, however, this
is just a matter length modifier in the string format; should be
trivial to fix.

 - Arnaud

> [1] like in tcpdump -ttt
>
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