Re: 2.6.15 and CONFIG_PRINTK_TIME

From: Denis Vlasenko
Date: Wed Jan 11 2006 - 02:01:40 EST


On Wednesday 11 January 2006 08:34, Kalin KOZHUHAROV wrote:
> I remember there was some talk about resetting the time on printk during the
> boot to zero... Is that gone for 2.6.15?
>
> I recently turned CONFIG_PRINTK_TIME on two machines and they identically
> print things like this:
>
> [17179569.184000] Linux version 2.6.15-K01_PIII_laptop (kalin@ss) (gcc
> version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)) #2 PREEMPT Wed
> Jan 11 09:56:21 JST 2006
> [17179569.184000] BIOS-provided physical RAM map:
> [17179569.184000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
> [17179569.184000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
> [17179569.184000] BIOS-e820: 00000000000e0000 - 00000000000eee00 (reserved)
> [17179569.184000] BIOS-e820: 00000000000eee00 - 00000000000ef000 (ACPI NVS)
> [17179569.184000] BIOS-e820: 00000000000ef000 - 0000000000100000 (reserved)
>
> ...
>
> [17179591.768000] ReiserFS: hda5: checking transaction log (hda5)
> [17179591.836000] ReiserFS: hda5: Using r5 hash to sort names
> [17179605.172000] e100: eth0: e100_watchdog: link up, 100Mbps, full-duplex
>
> That is about t0 + 200 days :-) No, the box is not THAT slow :-D
>
> Now, on two different boxen, the initial time is the same: 17179569.184000
>
> What is this number?

I guess time sybsystem is not up until that line.
--
vda
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