On Mon, 16.05.11 14:43, Scott James Remnant (sc...@netsplit.com) wrote:

> On Mon, May 16, 2011 at 2:23 PM, Lennart Poettering
> <lenn...@poettering.net>wrote:
> 
> > Our entire userspace bootup takes <1s here on an older X300. I think
> > nobody expects that the mouse reacts any quicker than that.
> >
> Your "older X300" is probably rather more powerful than a single-core Atom
> CPU.

It probably is, but it's not a superduper fast CPU either.

> > But again, I'd really like to see this profiled before look into
> > this. Right now if userspace booting takes < 1s this should be more then
> > sufficiently good for desktop machines, include ChromeOS machines.
> >
> It depends what you mean by "userspace booting".

systemd booting a reasonably complete GNOME system (cups, ck, pk, gdm,
all that stuff). The time that passes from systemd being invoked until
systemd has nothing more to do. I presume a much bigger set of
components than on ChromeOS.

> It takes about 5-6s for udev to run input_id on the keyboard + touchpad, and
> thus for them to be available to X.

How come this takes so long?

Does this actually delay X? Nromally X should be fine without kbd/mouse
and then be able to make use of it the moment it becomes available?

Lennart

-- 
Lennart Poettering - Red Hat, Inc.
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