On Mon, 14 Feb 2005 18:45:20 -0500, Lee Revell <[EMAIL PROTECTED]> wrote: > On Mon, 2005-02-14 at 15:21 -0800, Roland Dreier wrote: > > Lee> I don't see why so much effort goes into improving boot time > > Lee> on the kernel side when the most obvious user space problem > > Lee> is ignored. > > > > How much of a win is it to run init scripts in parallel? I seem to > > recall seeing tests that show that it doesn't make much difference and > > may even slow things down by causing more disk seeks as various things > > start up at the same time and cause reads of different files to get > > interleaved. > > > > This is why Windows XP reserves sapce at the beginning of the disk for > the files read during the boot process and caches copies of them there. > > But, I was referring more to things like GDM not being started until all > the other init scripts are done. Why not start it first, and let the > network initialize while the user is logging in? > > > On the other hand, hotplug is an area that real profiling of real > > systems booting has identified as something that can be improved, and > > Greg's hotplug-ng seems to be a step towards a measurable improvement.
Did anyone measure the improvement ? -- Paolo <paolo dot ciarrocchi at gmail dot com> msn: [EMAIL PROTECTED] hello: ciarrop - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
