[systemd-devel] udev took too long to start

[Chen Jie]

2011/5/18 Kay Sievers <kay.sievers at vrfy.org>:
> On Wed, May 18, 2011 at 11:37, microcai <microcai at fedoraproject.org> wrote:
>> udev and systemd are from systemd overlay.
>>
>> udev is udev-168-r1
>> systemd is systemd-26
>>
>> All compiled with CFLAGS="-Os -march=native"
>>
>> systemd-analyze plot have problem generationg SVG file, so I change the
>> code to make a PDF.
>>
>>
>> Will anyone please lookat my boot analyze PDF?
>>
>> Why udev took so long to settle down ?!
>
> udev.service does usually takes no time. It's the settle that may
> block for a longer time. In your chart it seems like a side-effect,
> and the root-fsck seems suspicious. any idea what could take so long
> here? Care to try without it?
Just like you said in my test, see boot1.svg vs boot2.svg(touch
"/fastboot" to skip fsck), under systemd v24.

BTW, In my test platform, udev.service will take ~1s even when fsck
skipped, seems a bit long.

>
> Kay
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