Hi James,

El viernes, 13 de marzo de 2015, James Bowlin <[email protected]> escribió:

> TL;DR: the current busybox (or my code) seems to be broken on one
> or two systems out of thousands; crucial modules don't get loaded
> using hotplug + coldplug.  Please give me a runtime option so I
> can give my users a boot-time option to try the new approach.


You are talking about a possible bug in the current implementation. In my
opinion this is completely independent from whether a redesign/architecture
change is required or wanted.

[...]

>
> BTW: I try to time most things in my initrd init script to keep
> an eye on what slows things down so we can stay as speedy as
> possible.  I use:
>
>     cut -d" " -f22 /proc/self/stat
>
> to get the time in hundredths of a second since the kernel
> booted.  But this itself and the associated arithmetic is not
> free time-wise.  So I disable most of the timing when I'm not in
> debug mode.  If there is a better/faster way to get the time to
> hundredths of a second or better, PLMK.


On embedded targets I normally use grabserial for boot timing (
http://elinux.org/Grabserial)

Just in case it's useful.

Guillermo


-- 
Guillermo Rodriguez Garcia
[email protected]
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