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List:       kde-devel
Subject:    Re: kdevelop - gdb - slow - stalls
From:       Guray Acar <G.Acar () surrey ! ac ! uk>
Date:       2011-02-09 13:41:08
Message-ID: 30882841.post () talk ! nabble ! com
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Guray Acar wrote:
> 
> 
> 
> Bugzilla from robert.riemann@physik.hu-berlin.de wrote:
> > 
> > On Thursday 22 July 2010 17:34:02 Guray Acar wrote:
> > > Dear all,
> > > 
> > > This has to do with gdb slowing down while debugging C++ code with
> > > KDevelop. I am NOT talking about shared libraries or function calls etc.
> > > It's a lot simpler than that. Debugging session starts all too well. No
> > > problems. Stepping in/out of function. All smooth.
> > > After a while, it is almost as if "the debugger gets tired", and gdb
> > > starts
> > > spending as long as tens of minutes for statements as simple as
> > > incrementing an integer variable or breaking out of a switch statement.
> > > 
> > > I look at cpu usage via linux top command. GDB seems to be making full
> > > (95%
> > > to 100%) use of the CPU during this time.
> > > 
> > > I cannot reproduce the error. I used to use KDevelop-3.3.3 over KDE
> > > 3.5.3
> > > with FC4 Red Hat. I never experienced this problem.
> > > Now, I am using the configuration below. The problem always shows up
> > > after
> > > a while. Can't guess when, but it does show up
> > > I wonder if anyone has experienced this problem.
> > > 
> > 
> > Maybe you want to use
> > > -----
> > > OpenSUSE 11.2 (i586), Linux 2.6.31.12-0.2, i686 i686 i386
> > openSUSE 11.3
> > > gcc version 4.4.1
> > > KDevelop 3.5.5 using KDE 3.5.10 "release 32" openSUSE
> > and KDevelop 4.0.1 with gdb > 7.1 It worked quite nice for me.
> > 
> > Best regards,
> > Robert
> > > GDB SUSE (6.8.91.200909030-2.4)
> > > RAM 1GB
> > > CPU Intel 3.28 GHz
> > > -----
> > > 
> > > Many thanks in advance,
> > > 
> > > Guray
> > > 
> > > > > Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to
> > > > > unsubscribe <<
> > 
> > 
> > 
> > > > Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to
> > > > unsubscribe <<
> > 
> > 
> 
> Robert, 
> 
> Thanks for the reply. 
> 
> I don't even think that the problem has to do with KDevelop. I am nowhere
> an expert on KDevelop, but I thought it's only a front-end for GDB while
> debugging source code. 
> I think the problem has more to do with mismatch between GDB v6.8 and gcc
> v4.4.1. 
> Do you reckon my assumption is correct? 
> 
> Cheers, 
> 
> Guray 
> 
> 

Hi all, 

In case anyone else experiencing the same problem, there seems to be a
discussion going on on this matter at
http://sourceware.org/bugzilla/show_bug.cgi?id=9831
There is still not a solution at this time. 

Cheers, 

Guray 
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