various kde programs spin in a poll/read loop against their respective config files

[Patrick Lamaiziere]

Le Sat, 26 Sep 2009 15:25:17 +0200,
Christof Schulze <christof.schulze at gmx.com> a écrit :

> Hello everyone,

Hi,

> the discussion in -current and the behavior of my hard disk caused me
> to investigate. Whenever kde programs are run on this system, the
> hard disk will not spin down (even when excessive timeouts for syncs
> are in effect) So I ran truss against kwallet and plasma-desktop to
> find out they do the same thing:
> 
> stat("/home/erika/.kde4/share/apps/kwallet",{ mode=drwx------ 
> ,inode=56314,size=3,blksize=4096 }) = 0 (0x0)

> Shouldn't this be handled by fam/gamin in order to avoid this
> overhead? While it does not produce notable load it prevents my
> processor from saving power as well as spinning down the disks.

KDE with fam is broken, according to 
http://wiki.freebsd.org/KDE4

A work-around is to change the PollInterval in kdedrc
baby-jane:~$ less .kde4/share/config/kdedrc
[$Version]
update_info=kded.upd:kde3.0

[DirWatch]
PollInterval=60000

(IMHO, for KDE issues you should ask on the kde-freebsd at kde.org mailing
list).

See also this thread :
http://mail.kde.org/pipermail/kde-freebsd/2009-September/006447.html

Regards.