[systemd-devel] udev took too long to start

[microcai]

于 2011年05月20日 18:39, Lennart Poettering 写道:
> On Fri, 20.05.11 17:40, Chen Jie (chenj at lemote.com) wrote:
> 
>> 2011/5/19 Chen Jie <chenj at lemote.com>:
>>> 2011/5/18 Kay Sievers <kay.sievers at vrfy.org>:
>>>>
>>>> Completely different! That's an Intel Core Duo 1.4 GHz laptop:
>>>>  systemd-analyze blame | grep udev
>>>>  87ms udev-trigger.service
>>>>  13ms udev.service
>>> I updated systemd(to v26) and udev(to 168), still got ~1s startup time
>>> of udev.service plus udev-trigger.service.
>>>
>>> May be some distribution added udev rules cause this? I'll do a
>>> bootchart to see the detail.
>> See the attachment.
> 
> There are a ton of things udev seems to be calling. A lot of it doesn't
> look right. i.e. systemctl being called from udev doesn't look
> right. And ps? grep? hdparm?? sync??? alsa-utils looks wrong too? mount?
> 
> The exim script looks really borked too. And the mkdir/rm sprinkled
> around dbus/rsyslog is suspicous too.
> 
> I think the distro you are using is a bit too hack-happy... Your
> downstream udev maintainers really should spend some time on cleaning up
> those udev rules. Upstream udev doesn't ship that nonsense!
> 
> Lennart
> 



Thanks ALL ~~~

My system now boots faster ~~~

See my new system boot time as attachment.

cairo.SVGSurface have problem here, so I change it to PDFSurface.



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