Re: [orca-list] significant orca lag issues

From: kendell clark <coffeekingms gmail com>
To: Joanmarie Diggs <jdiggs igalia com>
Cc: Orca List <orca-list gnome org>
Subject: Re: [orca-list] significant orca lag issues
Date: Thu, 19 Mar 2015 20:22:19 -0500

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hi
I've just attached the debug files. I had to compress them, .tar.gz,
because they were much too large for gnome to accept. They're clearly
marked, one is from this machine, and one is from mellisa's laptop
Thanks
Kendell clark
Sent from Fedora GNU/Linux


kendell clark wrote:

hi I just filed the bug. I'm about to attach the debug logs. One is
from my desktop, one from mellisa's laptop. The URL is, 
https://bugzilla.gnome.org/show_bug.cgi?id=746494 Thanks Kendell
clark Sent from Fedora GNU/Linux

kendell clark wrote:

hi SUre thing, will do. I'll have to switch machines. I'll file
two debug logs, if that's ok. One from her machine, where the lag
is worst, to mine where it's still there but not as bad. Thanks 
Kendell clark Sent from Fedora GNU/Linux

Joanmarie Diggs wrote:

Hey Kendell.

Sounds like a potential event flood and/or pyatspi caching a
very large tree, similar to that Thunderbird lag. If you file a
bug with a full debug.out I can try to pin down where the
bottleneck is.

Thanks! --joanie

On 03/19/2015 07:25 PM, kendell clark wrote:

hi all. This might be a bit long, so settle in with a cup of
 coffee or something. I seem to be in an unusual situation
with orca. I just bought my fiance mellisa an ssd for her
computer. As a result, her system is wildly out of balance.
She has a really fast ssd, but the same slow intel dual core
2.0 ghz processor, and same old intel mobile hd graphics. As
a result, orca is at times extremely responsive and at tiems
nearly unusable as it struggles to keep up, often stuttering
"window. deskt window. desktop frame. Icon view layored pane"
as the processor catches up with the very fast ssd. I'm
writing in to report some severe lag I'm experiencing in orca
when navigating list boxes, tree views, or tables. Specific
examples are below, but any list will do this. In
gnome-initial-setup, when trying to navigate the list of
locales and keyboard layouts, orca's lag is so bad it takes
somewhere between five and ten seconds to respond to a key
press. That is, I press the down arrow key, wait ten seconds
to hear the next keyboard layout or locale. In nautilus, when
entering a directory with hundreds or thousands of files in
it, orca's performance slows to acrawl. It can take quite a
while for orca to react to key presses. This seems to be orca
specific, because I can see the the focus move visually to
the next file immediately. In the gnome overview, when 
typing, I can see the search results rapidly change as gnome 
narrows down the results. I can see gnome highlighting the 
results, but sometimes orca doesn't speak them right away.
If there is only one result, sometimes orca doesn't speak
the result at all. Any application that has lots of items in
a tree view will lag a bit with orca but it's really not that
bad. What is concerning is that after a while, orca will
stop announcing the treeview items, but simply saying "tree"
I'm not certain exactly when this happens but it always does
if the tree view is long enough. A good example is in
accerciser and mime editor. These are *not* complaints.
Joanie, I really hate to ask you to do this since I know
you're busy with gnome 3.16, but would you mind looking into
this? Is this even an orca issue, or is her system so wildly
unbalanced that the ssd is doing it's job but the rest of the
system components just aren't fast enough to keep up? If it
helps at all, the lags in very long lists, tables and tree
controls happen on my system, and almost as badly as hers,
even though my system is several times more powerful. Quad
core processor, 8 gb of ram. Should I file a bug against
orca, providing debug logs? Are these maybe gnome issues? I'm
sorry I'm not clearer, I don't exactly know what's causing
orca's lags, so I'm being as clear as I can. As a final note,
both systems are running identical oses. Both running fedora
21 with all updates applied as of this morning. Thanks for
reading Kendell clark Sent from Fedora GNU/Linux 
_______________________________________________ orca-list 
mailing list orca-list gnome org 
https://mail.gnome.org/mailman/listinfo/orca-list Visit 
http://live.gnome.org/Orca for more information on Orca. The
 manual is at 
http://library.gnome.org/users/gnome-access-guide/nightly/ats-2.html

The FAQ is at
http://live.gnome.org/Orca/FrequentlyAskedQuestions

Log bugs and feature requests at http://bugzilla.gnome.org 
Find out how to help at
http://live.gnome.org/Orca/HowCanIHelp

References:
- [orca-list] significant orca lag issues
  - From: kendell clark
- Re: [orca-list] significant orca lag issues
  - From: Joanmarie Diggs
- Re: [orca-list] significant orca lag issues
  - From: kendell clark
- Re: [orca-list] significant orca lag issues
  - From: kendell clark

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