svn commit: r303643 - in head/sys: kern sys

[Olivier Cochard-Labbé]

On Mon, Aug 1, 2016 at 11:48 PM, Mateusz Guzik <mjg at freebsd.org> wrote:

> Author: mjg
> Date: Mon Aug  1 21:48:37 2016
> New Revision: 303643
> URL: https://svnweb.freebsd.org/changeset/base/303643
>
> Log:
>   Implement trivial backoff for locking primitives.
>
>
>
​I was checking FreeBSD's forwarding speed evolution of year 2016​, when I
found a unexpected improvement:

http://dev.bsdrp.net/benchs/2016.jan-nov.SM5018A-FTN4-Chelsio.png

Something append between r303601 (July 31th) and r303818 (August 6th).

ae@ advices me to bench this specific commit:
http://dev.bsdrp.net/benchs/r303643.png

Thanks !

Olivier