Doing Profiling

Stephan Kulow coolo at kde.org
Thu Dec 12 13:52:10 GMT 2002


Am Donnerstag, 12. Dezember 2002 12:52 schrieb Alexander Kellett:
> On Thu, Dec 12, 2002 at 12:40:19PM +0100, Lubos Lunak wrote:
> >  You have managed to get any useful data from oprofile? How? It can't do
> > callgraphs, which makes it pretty useless for profiling single apps. And
> > since AFAIK it does system-wide profiles only per binary/library instead
> > of per PID, it's not very helpful for e.g. profiling KDE startup either.
>
> i've only used it for very basic profiling,
> but on the occasions that i've used it it
> really came in useful, so i figured i'd suggest :)
>
> callgraphs always just confuse me and i wasn't
> really using oprofile as a profiler, but rather
> a reporter of stupid code :)

OK, then you'll get with KDE code that QString::QString and 
QLatin1::fromUnicode is stupid code and that's it - just not true.

Greetings, Stephan





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