[ECOS] R: [ECOS] Timing with longjmp

[Michele Portolan]

> There is not currently a test to time this.  If you look at the
> code in 'tm_basic.cxx', you can get a pretty good idea how to measure
> such [small] quantities.  Basically, you need to capture the current
> raw clock time (tm_basic uses 'HAL_CLOCK_READ()' for this).  Grab the
> value before doing the longjump and then after you land in the new
> location.  Then it's just simple math to figure out how long it took.
> Again, tm_basic can show you how to convert the values to real time
> (micro-seconds or whatever).
>
> Why are you bothering with such minutia?

I am making some peculiar timing measures on eCos to develop some idea, as I
said on a precedent post. That is the reason why I am so interested in such
little things: they could make the difference.

Michele


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