On Mon, 16 Dec 2013 09:25:21 +0800, Peter Teoh said: > the interrupt is disabled. but u can of course do some pre-calculation: > for your CPU, for platform, do a precise low level accurate timing of CPU > to assess how many instructions of a certain types is need to achieve a > duration, say 1 microsecond. then you implement a deterministic loop of 1 > million loop to exactly implement a timing delay of 1 second for ONE cpu. > you can disable interrupt before entering that deterministic loop. and > once out of loop, u can enable interrupt again.
In fact, this is pretty much the only thing that the bogoMIPS variable is actually useful for. :)
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