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

From Michal Hocko <mhocko@kernel.org>
Newsgroups linux.kernel
Subject Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression
Date 2016-04-27 10:40 +0200
Message-ID <rstaP-6zk-31@gated-at.bofh.it> (permalink)
References <rsob7-2nW-3@gated-at.bofh.it> <rsseK-5Lj-7@gated-at.bofh.it> <rst18-6uo-13@gated-at.bofh.it>
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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?
-- 
Michal Hocko
SUSE Labs

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[lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8%  regression kernel test robot <xiaolong.ye@intel.com> - 2016-04-27 05:20 +0200
  Re: [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8%  regression Michal Hocko <mhocko@kernel.org> - 2016-04-27 09:40 +0200
    Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-04-27 10:30 +0200
      Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput  -11.8% regression Michal Hocko <mhocko@kernel.org> - 2016-04-27 10:40 +0200
        Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-04-27 10:50 +0200
          Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput  -11.8% regression Michal Hocko <mhocko@kernel.org> - 2016-04-27 11:20 +0200
            Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput  -11.8% regression Aaron Lu <aaron.lu@intel.com> - 2016-04-28 07:20 +0200
              Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput  -11.8% regression Michal Hocko <mhocko@kernel.org> - 2016-04-28 11:00 +0200

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