Attached.
I made 2 simple samples,
one in c++ (minimal.cpp) to be used with wxWidgets
the other with python (minimal.py) to be used with wxPython
Both have some directives to be change:
USE_MENUS 1 // 1 - with menus 0 - without menus
USE_LISTCTRL 1// 1 - with a listctrl 0 -
I found that the culprit is this patch:
http://launchpadlibrarian.net/64734089/wxwidgets2.8_2.8.11.0-0ubuntu6_2.8.11.0-0ubuntu7.diff.gz
Probably this bug should go to wxwidgets2.8 and/or appmenu-gtk
When run:
UBUNTU_MENUPROXY=0 ./minimal
There is no CPU usage problem with the problematics
Thanks for tracking this down and for the sample code.
I can reproduce the problem with your examples and confirm the disabling
appmenu with UBUNTU_MENUPROXY=0 works around the problem.
I'm affecting to the right package.
** Package changed: unity (Ubuntu Natty) = indicator-appmenu (Ubuntu
Ricardo, could you provide a simple test to reproduce this issue with
wxWidgets ?
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https://bugs.launchpad.net/bugs/722375
Title:
CPU usage due to X becomes very high when pgadmin3 runs
I think that this may be related to wxWidgets.
I saw this behaviour, for eg, with pyshell from wxPython.
And to be more specific, I think that the problem is with wxListCtrl
Not sure, but I guess that all wx apps that use ListCtrl will have this issue.
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This is really a showstopper for anyone using postgresql databases on a
regular basis as it makes pgadmin totally unusable with unity.
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Title:
** Also affects: pgadmin3 (Ubuntu Natty)
Importance: Medium
Status: Confirmed
** Also affects: unity (Ubuntu Natty)
Importance: Medium
Status: Confirmed
** Changed in: unity (Ubuntu Natty)
Assignee: (unassigned) = Canonical Desktop Experience Team
(canonical-dx-team)
I'm unable to reproduce the problem this morning after an upgrade and
restart of the system. I set the status to incomplete and will let it
expire if it's not an issue anymore.
** Changed in: pgadmin3 (Ubuntu)
Importance: Undecided = Low
** Changed in: pgadmin3 (Ubuntu)
Status: New =
confirmed when the query tool is launched, X jumps to very CPU usage and
the UI becomes unusable. Increasing priority to medium.
** Changed in: pgadmin3 (Ubuntu)
Importance: Low = Medium
** Changed in: pgadmin3 (Ubuntu)
Status: Incomplete = Confirmed
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It's not reproducible with a Classic Desktop session with or without compiz
running.
I'm adding a task for Unity since it is the only environment where this issue
exists.
** Also affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Changed in: unity (Ubuntu)
Importance:
** Changed in: unity
Status: New = Confirmed
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Title:
CPU usage due to X becomes very high when pgadmin3 runs
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** Attachment added: history.log
https://bugs.launchpad.net/bugs/722375/+attachment/1863044/+files/history.log
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Title:
CPU usage due to X
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