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Re: precision timer?

> gettimeofday has 40 us precision on ETRAX 100 LX using a fairly new
> kernel. Note that meassuring time from userspace gives unpredictable
> results since the kernel may choose to run other processes between
> your calls to gettimeofday.

If you set high priority of your process the risc for interruption will 
decrease. However, if so, remeber to nanosleep() sometimes.