[Xcb] Question about xcb performance and threading support

Benoît Minisini gambas at users.sourceforge.net
Tue Feb 17 15:02:18 PST 2009

> Hi,
> I have currently using valgrind / callgrind & kcachegrind with the Gambas
> IDE to try to understand why QT4.4 is slower than QT3.
> I noticed in the Gambas/QT4 kcachegrind output that pthread_mutex_lock and
> pthread_mutex_unlock take respectively 1.41% and 1.52% of the execution
> time.

I forgot to tell that these two functions are called by the libxcb library 


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