[PATCH] randomized delay in locking primitives, take 2

[Slawa Olhovchenkov]

On Mon, Aug 01, 2016 at 02:16:59PM +0300, Andriy Gapon wrote:

> 
> Mateusz,
> 
> just out of curiosity, have you tried to explore alternative spinlock
> implementations like a ticket lock?   It would be interesting to see if
> there are any improvements to be gained there.

Effective ticket lock implementation as I see limited to 256 (255?)
concurent locks. And anyway may be need randomize delay (QPI bus on
x86 have very limited performance).