Service core statistics MT safety

[Morten Brørup]

> From: Mattias Rönnblom [mailto:mattias.ronnblom at ericsson.com]
> Sent: Monday, 27 June 2022 13.06
> 
> Hi.
> 
> Is it safe to enable stats on MT safe services?
> 
> https://github.com/DPDK/dpdk/blob/main/lib/eal/common/rte_service.c#L36
> 6
> 
> It seems to me this would have to be an __atomic_add for this code to
> produce deterministic results.

I agree. The same goes for the 'calls' field.