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

[Xing Zhengjun]

On 6/12/2020 4:11 PM, Xing Zhengjun wrote:
> Hi Giovanni,
>
>   I test the regression, it still existed in v5.7. Do you have time 
> to take a look at this? Thanks.

Ping...

> ========================================================================================= 
>
> 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:
>  Â 2a4b03ffc69f2dedc6388e9a6438b5f4c133a40d
>  Â 1567c3e3467cddeb019a7b53ec632f834b6a9239
>  Â v5.7-rc1
>  Â v5.7
>
> 2a4b03ffc69f2ded 1567c3e3467cddeb019a7b53ec6ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ v5.7-rc1 
>  ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ v5.7
> ---------------- --------------------------- --------------------------- 
> ---------------------------
>  ÂÂÂÂÂÂÂÂ %stddevÂÂÂÂ %changeÂÂÂÂÂÂÂÂ %stddevÂÂÂÂ %change %stddev     
> %changeÂÂÂÂÂÂÂÂ %stddev
>  ÂÂÂÂÂÂÂÂÂÂÂÂ \ÂÂÂÂÂÂÂÂÂ |ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ \ÂÂÂÂÂÂÂÂÂ |ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ \ 
>  ÂÂÂÂÂÂÂ |ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ \
>  ÂÂÂ 211462ÂÂÂÂÂÂÂÂÂÂ -16.0%ÂÂÂÂ 177702ÂÂÂÂÂÂÂÂÂÂ -15.0%ÂÂÂÂ 179809      
> -15.1%ÂÂÂÂ 179510ÂÂÂÂÂÂÂ vm-scalability.median
>  ÂÂÂÂÂ 5.34 ÂÂ 9%ÂÂÂÂÂ -3.1ÂÂÂÂÂÂÂ 2.23 Â 11%ÂÂÂÂÂ -2.9ÂÂÂÂÂÂÂ 2.49 Â 
> 5%ÂÂÂÂÂ -2.7ÂÂÂÂÂÂÂ 2.61 Â 11%Â vm-scalability.median_stddev%
>  Â 30430671ÂÂÂÂÂÂÂÂÂÂ -16.3%ÂÂ 25461360ÂÂÂÂÂÂÂÂÂÂ -15.5%ÂÂ 25707029      
> -15.5%ÂÂ 25701713ÂÂÂÂÂÂÂ vm-scalability.throughput
>  Â7.967e+09ÂÂÂÂÂÂÂÂÂÂ -11.1%Â 7.082e+09ÂÂÂÂÂÂÂÂÂÂ -11.1%Â 7.082e+09      
> -11.1%Â 7.082e+09ÂÂÂÂÂÂÂ 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,
> > >
> > > ÂÂÂ 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