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Bug 469048 - GtkTreeView scrolling is very "streaky" as of Gutsy
GtkTreeView scrolling is very "streaky" as of Gutsy
Status: RESOLVED FIXED
Product: gtk+
Classification: Platform
Component: .General
2.11.x
Other Linux
: Normal normal
: ---
Assigned To: gtk-bugs
gtk-bugs
Depends on:
Blocks:
 
 
Reported: 2007-08-21 23:42 UTC by Alexander “weej” Jones
Modified: 2007-09-23 22:58 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Alexander “weej” Jones 2007-08-21 23:42:19 UTC 
Downstream report: https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/132342

"This shows up in Nautilus' "List View" and in Gossip's contact list. Scrolling a window with a high DPI mouse causes excessive streaking before it redraws. The performance was much better on Feisty, I found."

So this is a performance regression between 2.10 and 2.11.

Is anyone else finding this? How can I debug and benchmark this?
Comment 1 Sven Herzberg 2007-08-22 04:08:40 UTC 
A good start would be some general looking at the processor usage. Also using Oprofile might yield some nice results:

http://blogs.gnome.org/bbiggs/2005/10/12/using-oprofile/
Comment 2 Kalle Vahlman 2007-08-22 05:06:23 UTC 
Or Sysprof for slightly less involved profiling, it seems to be in Gutsy.
Comment 3 Kristian Rietveld 2007-08-22 07:55:49 UTC 
I haven't noticed this at all on my machines, and keep in mind that GtkTreeView has not been extensively changed in trunk.  Keep in mind that the problem can be in a completely different corner, so having some profiles would be good.
Comment 4 Xan Lopez 2007-08-22 08:23:09 UTC 
FWIW, I see this too and the visual effect is the same than described in bug 460534. This is on a 1.5Ghz CPU though, so the slow-machine factor shouldn't be an issue here.
Comment 5 Alexander “weej” Jones 2007-08-22 16:47:49 UTC 
Yes, Xan, that seems to be the problem. Although what I don't understand is why it (at least seemed) to be better in GTK 2.10. I need to install Feisty and profile it.
Comment 6 Alexander “weej” Jones 2007-09-23 22:58:45 UTC 
Think I'll close this now, as Bug 460534 is closed.