On 01.08.2021 23:43, Mateusz Guzik wrote:
> Mostly related, I just had a look at the code and noticed:
>
> static uint32_t
> sched_random(void)
> {
> uint32_t *rndptr;
>
> rndptr = DPCPU_PTR(randomval);
> *rndptr = *rndptr * 69069 + 5;
>
> return (*rndptr >> 16);
> }
>
> Except randomval starts at 0 for all CPUs. Should be easy to pre-init
> with an actual random value. Is that something you played with?
It is pretty old code, so no, at least not this time. But I doubt it
would make a any difference, since different CPUs should have different
number of calls to this, so they should naturally run away from each-other.
--
Alexander Motin
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