[Qt-creator] Slow debugging with Qt Creator

[Maximilien Renard]

I've just installed the repository version of Qt and the debugging is
very quick.

So it seems to be related to the self compiled version of Qt.

Should I check something else ?

2009/7/22 GreyGeek <GreyGeek at earthlink.net>:
> I am running Kubuntu 9.04, fully updated.  In the repository is the
> 1.0.0 version of Qt, which I installed when it was made available.  I
> have a couple projects under Qt and the debug mode works very quickly
> and very well.
> GG
>
> Michael Krueger wrote:
>> I'm not sure if it's related. But I have the same when using KDevelop. I use a Kubuntu Linux which usually does ship
>> with it's own version of Qt. Since we write some commercial applications we did install our own commercial Qt version
>> into the home directory. Changing the environment variables PATH and LD_LIBRARY_PATH and QTDIR to point to the local
>> commercial Qt version we have been able to compile and build our products. However when we tried to debug UI
>> applications like that, it was also terribly slow. Because of that we now usually build and debug using the Qt library
>> version available on the system because it seems that gdb is working the best with that. Only when the final release is
>> prepared we switch to the commercial Qt version rebuild the code and then do the final test without debugger on the
>> release build.
>>
>> Not sure if it's related or if it would make sense in your case.
>>
>> Michael
>>
>> Maximilien Renard schrieb:
>>
>>> Ok, sorry for this very quick other answer but the menus etc. have
>>> just been displayed.
>>>
>>> The getOpenFileName is as slow as it was when debugging under
>>> QtCreator and the whole program seems to be slower.
>>>
>>> What should I do ?
>>>
>>> Thanks,
>>>
>>>
>>> Maximilien
>>>
>>> 2009/7/22 Maximilien Renard <iixamaxii at gmail.com>:
>>>
>>>> Hi,
>>>>
>>>> Here's the output of gdb when I launch it using the konsole.
>>>>
>>>> ixm at ixm-laptop:~/Documents/cpp$ gdb ./project/project
>>>> GNU gdb 6.8-debian
>>>> Copyright (C) 2008 Free Software Foundation, Inc.
>>>> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>>>> This is free software: you are free to change and redistribute it.
>>>> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
>>>> and "show warranty" for details.
>>>> This GDB was configured as "i486-linux-gnu"...
>>>> (gdb) run
>>>> Starting program: /home/ixm/Documents/cpp/project/project
>>>> [Thread debugging using libthread_db enabled]
>>>> [New Thread 0xb5b51730 (LWP 20498)]
>>>>
>>>> The app starts but nothing is displayed except the application's
>>>> border and its title bar (no menu, no toolbar,...).
>>>>
>>>> Since it says 2008, I guess it's not an too old version of gdb.
>>>>
>>>> Anyway, it's maybe something I've made wrong but I cannot remember
>>>> having changed anything in this part of my program and I have no idea
>>>> what I should do.
>>>>
>>>> Thank you very much,
>>>>
>>>>
>>>> Maximilien
>>>>
>>>>
>>>> 2009/7/22 Matthias Ettrich <matthias.ettrich at nokia.com>:
>>>>
>>>>> Maximilien,
>>>>>
>>>>> on what OS platform are you, and what debugger are you using?
>>>>>
>>>>> Keep in mind that creator calls e.g. gdb in the background. Some gdb versions,
>>>>> especially elder versions, have severe performance issues wrt symbol or plugin
>>>>> loading.
>>>>>
>>>>> Can you please debug your application on the command line, and verify that you
>>>>> won't get the 6 minute delay there?
>>>>>
>>>>>
>>>>>  Matthias
>>>>>
>>>>>
>>
>
>
> --
> ----
> GreyGeek
>
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