about that DFBSD performance test

[Anton Yuzhaninov]

On 03/08/17 10:03, Mateusz Guzik wrote:
> First and foremost there is general kernel scalability. Certain counters
> and most locks are purely managed with atomic operations. An atomic
> operation grabs the entire cacheline with the particular variable (64
> bytes in total) in exclusive mode.

Isn't problem of atomic counters was solved by counter(9) framework?