lxdm-greeter-gtk excessive CPU usage
Bug #733912 reported by
Andrey Bondarenko
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
LXDE |
Unknown
|
Unknown
|
|||
lxdm (Ubuntu) |
Fix Released
|
Medium
|
Julien Lavergne |
Bug Description
Binary package hint: lxdm
On my system with Celeron (P-III Tualatin) 1.4GHz (cpuinfo.txt) processor lxdm-greeter-gtk constantly uses about 20-30% of CPU power, it is too much.
The issue can only be reproduced if background image is set (bg=<path to file>) in /etc/lxdm/
I beleive the cause is poorly designed redrawing algorithm. Callgrind shows that on_expose function consumes about 50% of CPU instructions with background image (see callgrind-
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I'm sorry, forgot to mention. I've found reported issue in Maverick package version lxdm-0. 2.0-0ubuntu3.