[lfs-dev] Systemd

Richard Melville richard.melville69 at googlemail.com
Fri Sep 28 06:04:53 PDT 2012


Ragnar Thomsen wrote:
> > On Thursday 27 September 2012 15:05:00 Bruce Dubbs wrote:
> >> My system boots to the login prompt in about 8 seconds without it.  How
> >> much time do you think it might save?
> >
> > My system boots to login in around 10 seconds, and when I use KDM an
> > additional 20 seconds. So I was hoping it might cut half of the 10
> seconds at
> > least...
> >
> > I use a laptop which means it gets restarted a lot, so every second
> counts...
>
> I can understand that, but the difference you describe is basically the
> same as running startx which does little more than run xinit.  I suppose
> that you might be able to save a couple of seconds by starting kdm a
> couple of seconds earlier, but I doubt you will be able to notice a
> difference without measuring (e.g. stopwatch).
>
> The main reasons commercial distros take so long to come up is that they
> have lots of unneeded drivers in their initrd and each one tries to see
> if their hardware is present.  LFS saves a lot of time by skipping the
> initrd and not using modules.
>
> I'll be interested in what you are able to discover.
>
>
>    -- Bruce
>
>
>From what I understand the main time benefits gained from deploying Systemd
are in shutdown rather than boot.

Richard
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