[systemd-devel] Improve boot-time of systemd

Lennart Poettering lennart at poettering.net
Tue Mar 29 07:58:55 PDT 2011


On Tue, 29.03.11 03:36, fykcee1 at gmail.com (fykcee1 at gmail.com) wrote:

> 
> Hi Kay,
> 
> 2011/3/28 Kay Sievers <kay.sievers at vrfy.org>:
> > On Fri, Mar 18, 2011 at 14:57, Kay Sievers <kay.sievers at vrfy.org> wrote:
> >
> > Udev no longer enables udev-settle.service by default now.
> > basic.target is no longer blocked by it, and udev's coldplug will run
> > in the background.
> To make boot fast, it seems udev's coldplug do too much jobs -- what I
> expect is only coldplug local block devices and tty in that stage.
> This can save ~2s in my boot test.
> 
> Is it possible to support .device unit files?

Hmm?

Note sure I understand the question, but for a .device unit to show up
in systemd it must be tagged "systemd" in udev, which only can happen
when the device was triggered after udev is started.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.


More information about the systemd-devel mailing list