Re: Rep:Re: [f-cpu] SR security

[Yann Guidon <whygee@f-cpu.org>]

hi !

Reichelt wrote:
> 
> cedric schrieb:
> 
> > We have TIME_SLICE that is used for that, but perhaps a TIME, or CYCLE since
> > start of CPU will be usefull.
> >
> A timer counting cycles from start of CPU is very useful for profiling (how long
> does that function really take ?) And profiling is neccessary for optimisation,
> because you want to concentrate efforts on the hot spots.
> Also precision timekeeping (NTP) needs this cycle counter to interpolate time
> between timer interrupts.

don't worry, i think that at least one counter will be implemented.
in "normal" CPUs, several will even be present.

> Regards
> Thilo Reichelt
WHYGEE
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