Re: [LKP] [x86, sched] 1567c3e346: vm-scalability.median -15.8% regression

[Xing Zhengjun]

Hi Giovanni,

   I test the regression, it still existed in v5.7.  Do you have time 
to take a look at this? Thanks.

=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/runtime/debug-setup/size/test/cpufreq_governor/ucode:

lkp-hsw-4ex1/vm-scalability/debian-x86_64-20191114.cgz/x86_64-rhel-7.6/gcc-7/300s/test/8T/anon-cow-seq/performance/0x16

commit:
  2a4b03ffc69f2dedc6388e9a6438b5f4c133a40d
  1567c3e3467cddeb019a7b53ec632f834b6a9239
  v5.7-rc1
  v5.7

2a4b03ffc69f2ded 1567c3e3467cddeb019a7b53ec6                    v5.7-rc1 
                       v5.7
---------------- --------------------------- --------------------------- 
---------------------------
         %stddev     %change         %stddev     %change 
%stddev     %change         %stddev
             \          |                \          |                \ 
        |                \
    211462           -16.0%     177702           -15.0%     179809 
     -15.1%     179510        vm-scalability.median
      5.34 Â  9%      -3.1        2.23 Â 11%      -2.9        2.49 Â 
5%      -2.7        2.61 Â 11%  vm-scalability.median_stddev%
  30430671           -16.3%   25461360           -15.5%   25707029 
     -15.5%   25701713        vm-scalability.throughput
 7.967e+09           -11.1%  7.082e+09           -11.1%  7.082e+09 
     -11.1%  7.082e+09        vm-scalability.workload



On 4/16/2020 2:20 PM, Giovanni Gherdovich wrote:
> On Thu, 2020-04-16 at 14:10 +0800, Xing Zhengjun wrote:
> > Hi Giovanni,
> >
> >     1567c3e346("x86, sched: Add support for frequency invariance") has
> > been merged into Linux mainline v5.7-rc1 now. Do you have time to take a
> > look at this? Thanks.
>
> Apologies, this slipped under my radar. I'm on it, thanks.
>
>
> Giovanni Gherdovich

--
Zhengjun Xing