lock contention - what can we do about it?

Esben Mose Hansen kde at mosehansen.dk
Mon Mar 7 07:46:13 UTC 2011


On Saturday 05 March 2011 21:21:01 Milian Wolff wrote:
> if someone is running fedora, maybe he can try to use systemtap to 
sum the 
> amount of time spent in QMutex::lock() - I'd be very interested in this 
> number.

oprofile could be the profiling tool you are looking for. It does system or 
process-wide profiling with a low overhead. It should be able to tell for 
sure if there is a few function where we spend all our wall-clock time.

-- 
kind regards Esben 





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