[systemd-devel] kdbus performance regression by ~70% on 3.15 kernels ?

[Djalal Harouni]

On Fri, Jun 27, 2014 at 01:04:00PM +0200, Daniel Mack wrote:
> On 06/27/2014 12:51 PM, Djalal Harouni wrote:
> > Just to let you know that I did notice a regression by ~70% when running
> > test-kdbus-benchmark on a kvm guest (that's what I've under hands now)
> > 
> > I know sorry, but still a kdbus on kvm is a valid case, I don't know if
> > this affects real machine or only kvm guests will be able to confirm it
> > next week unless someone do!
> > 
> > If you are able to test it in a real machine and confirm that it affects
> > them too, thank you!
> > I've managed to bisect this to:
> > 3.15.0-rc1 good
> > 3.15.0-rc5 bad
> > 
> > I Will continue later this day!
> 
> Please do. I'm not currently aware of such a regression. What about
> 3.16-rc2?
Will test this afternoon, and report back!

> 
> Thanks,
> Daniel
> 

-- 
Djalal Harouni
http://opendz.org