Re: [gentoo-user] initng or runit?

[Jerry McBride <mcbrides9@comcast.net>]

On Monday 21 August 2006 09:35, Hans-Werner Hilse wrote:
> Hi,
>
> On Sun, 20 Aug 2006 22:01:24 -0400 Jerry McBride
>
> <mcbrides9@comcast.net> wrote:
> > Would some kind soul save me a bit of research time? Which of the two
> > alternative init schemes are faster, initng or runit?
>
> That most likely doesn't depend on the init process. Most time is
> consumed by the numerous (re-)starts of /bin/sh, i.e. bash in most
> cases, through all the init scripts.
>
> If you're about to play with an embedded device like machine and boot
> time really matters, I'd suggest writing the system setup tasks (rcS)
> in pure C. If you want to save a few shell startups, you might as well
> use /etc/inittab and sysvinit. Sysvinit, initng, runit or minit (which
> I like best) doesn't really matter for timing. That time is wasted in
> other places.
>
> For a VDR (digital PVR) machine, I'm using busybox' reduced sysvinit
> clone. Works like a charm, from boot till VDR running it's about 30sec.
> You might get a few more seconds for reimplementing system setup in
> pure C, as suggested. AFAIK, e.g. the Linksys Linux firmware does that.
> You might consider using their program as a template..
>

We've settled upon initng and fcache. Between the two, I can boot a "fully 
loaded" laptop in under 13 seconds. That's pretty impressive.

Thanks for the tips and info.

Cheers... Jerry.


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