userland boot time

Andy Green andy at openmoko.com
Mon Jan 21 12:59:36 CET 2008


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Somebody in the thread at some point said:

> | sexy things that live in rc5 (X) until expensive stuff like udev (18s)

> Check your kernel defconfig, it probably has a gazillion virtual
> consoles, decrease those to like 8 and udev starts up almost
> instantaniously. Related to that, more recent udevs use a different
> method to create devnodes which is said to be faster.

CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_NR_TTY_DEVICES=4

But point taken, I bet udev can be optimized down... there's alot of
stuff in /etc/udev.d/rules or whatever it is that talks about hardware
that isn't really going to ever appear, maybe that can help too.

- -Andy

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