Re: gcov/gprof on KDE

Karl Vogel <karl.vogel-/[email protected]> Tue, 9 Nov 2004 16:22:09 +0000 (UTC)
Newsgroups gmane.comp.kde.devel.optimize
Message-ID <[email protected]>
Lubos Lunak <[email protected]> wrote in
news:[email protected]: 

> On Tuesday 09 of November 2004 16:54, Karl Vogel wrote:
>> Has anyone ever compiled and run KDE with profiling? If I try it on
>> my system I get an error at linktime stating atexit() is undefined..
>> I'm wondering if I broke my GCC or if there is something else I'm
>> doing wrong. 
> 
>  A looong time ago. Everything had to be compiled statically, it was
>  tedious, 
> and the results were significantly affected by gprof's own overhead.
> 
>  Just forget -pg and use cachegrind.

But cachegrind is even slower and afaik it can't generate profile feedback 
files for gcc.

Maybe OProfile / (virtual) PerfCtr might be useful.. will have a look at 
that.