On Thu, Jan 23, 2014 at 01:59:21AM +0100, Andreas Cadhalpun wrote:
> On 22.01.2014 17:50, Josh Triplett wrote:
> >I don't know what isn't working there; you might try the systemd IRC
> >channel or mailing list, to see if they know what's going on.
>
> I just tried running it in a terminal and got:
> $ sudo /lib/systemd/systemd-bootchart
> open /proc/schedstat: No such file or directory
>
> Any idea why this is missing?
>
>From the systemd README:
For systemd-bootchart a kernel with procfs support and several
proc output options enabled is required:
CONFIG_PROC_FS
CONFIG_SCHEDSTATS
CONFIG_SCHED_DEBUG
$ grep CONFIG_SCHEDSTATS /boot/config-3.12-1-amd64
# CONFIG_SCHEDSTATS is not set
> >>>(Also, if you're using encryption, you're probably also using LVM, which
> >>>causes major boot-time slowdowns on all distributions, and is outright
> >>>broken on Debian systems. If udevadm settle is running at all in your
> >>>boot path, that needs fixing.)
> >>
> >>Luckily I have no problems with LVM and systemd. (lvm2.service takes 548ms)
> >>At least the systemd-udev-settle.service is not called during boot.
> >
> >See the ongoing discussions about LVM and systemd in the bug on LVM
> >(which has gotten wrapped up into the whole init system debacle). LVM
> >currently isn't coping with dynamic hardware correctly. And 548ms is
> >ridiculous.
>
> You mean bug #728486? It seems this might get resolved shortly after
> the infamous #727708.
I'm more concerned about *how* it gets resolved, and in particular about
it getting resolved without using udevadm settle.
- Josh Triplett
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