[systemd-devel] bootchart issues on slow hardware

[Lennart Poettering]

On Mon, 18.03.13 09:39, Frederic Crozat (fcrozat at suse.com) wrote:

> Le dimanche 17 mars 2013 à 14:54 +0100, Kay Sievers a écrit :
> > Here is a chart:
> >   http://people.freedesktop.org/~kay/bootchart-20130317-1434.svg
> > 
> > Rotating media and really cheap hardware looks very sad, and we take
> > like 5 times longer to boot than Windows 8.
> > 
> > Why does bootchart stop before all the *really* slow desktop stuff starts?
> > 
> > Why does bootchart claim an idle time of ~5 sec, not that I wouldn't
> > like that, but .... :)
> 
> Another thing we lost with current readahead (compared to what we had
> with meego's readahead) is prefetching user session files (say
> gnome-shell, files in /usr/share/applications, etc..), which, on
> workstation used by a single user is really having an impact on
> perceived system "speed" (ie when user can start working).

Hmm, how would we have lost that? the readahead stuff stays running for
a while after the system job queue is empty, in order to cover the user
session and suchlike.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.