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

Huang, Ying
2016-04-27T08:44:54Z

Michal Hocko <mhocko@kernel.org> writes:

> On Wed 27-04-16 16:20:43, Huang, Ying wrote:
>> Michal Hocko <mhocko@kernel.org> 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?

There are reproduce steps in the original report email.

To reproduce:

git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml

The job.yaml and kconfig file are attached in the original report email.

Best Regards,
Huang, Ying