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 20:13:23 -0500

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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 
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Find out how to help at http://live.gnome.org/Orca/HowCanIHelp

Follow-Ups:
- Re: [orca-list] significant orca lag issues
  - From: kendell clark

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

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