Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression

From: Michal Hocko
Date: Wed Apr 27 2016 - 04:37:43 EST


On Wed 27-04-16 16:20:43, Huang, Ying wrote:
> Michal Hocko <mhocko@xxxxxxxxxx> writes:
>
> > On Wed 27-04-16 11:15:56, kernel test robot wrote:
> >> FYI, we noticed vm-scalability.throughput -11.8% regression with the following commit:
> >
> > Could you be more specific what the test does please?
>
> The sub-testcase of vm-scalability is swap-w-rand. An RAM emulated pmem
> device is used as a swap device, and a test program will allocate/write
> anonymous memory randomly to exercise page allocation, reclaiming, and
> swapping in code path.

Can I download the test with the setup to play with this?
--
Michal Hocko
SUSE Labs