IDEA: Shortening boot-time
Bill Nottingham
notting at redhat.com
Fri Jul 23 20:56:27 UTC 2004
Kenneth Porter (shiva at sewingwitch.com) said:
> --On Friday, July 23, 2004 8:21 AM +0200 Hans de Goede
> <j.w.r.degoede at hhs.nl> wrote:
>
> >The basic idea is todo things the XP way and loads lotts of (cr)app(s)
> >while the user is already seeing a GUI.
>
> Paraphrasing Knuth, premature optimization is a bad investment. Before we
> start down this road, let's see some measurements showing exactly how much
> time each step in the boot process takes. We can then decide where to
> invest effort to improve with the limited development resources available.
>
> Has anyone instrumented the boot process? For example, syslogging each
> initscript to get a timestamp would tell us how much time was spent in each
> one.
It's been oprofiled a couple of times... the majority of the time seems
spent in disk I/O. :/
Bill
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