On 28 February 2017 at 01:33, Huang, Ying <[email protected]> wrote: > Vincent Guittot <[email protected]> writes: > >> Hi Ying, >> >> On 21 February 2017 at 03:40, Huang, Ying <[email protected]> wrote: >>> Hi, Vincent, >>> >>> Vincent Guittot <[email protected]> writes: >>> >> >> [snip] >> >>>>> >>>>> Here is the test result, >>>>> >>>>> ========================================================================================= >>>>> compiler/cpufreq_governor/freq/kconfig/nr_task/rootfs/samples/tbox_group/test/testcase: >>>>> >>>>> gcc-6/powersave/20/x86_64-rhel-7.2/100%/debian-x86_64-2016-08-31.cgz/6000ss/lkp-hsw-d01/cache/ftq >>>>> >>>>> commit: >>>>> 4e5160766fcc9f41bbd38bac11f92dce993644aa: first bad commit >>>>> 09a43ace1f986b003c118fdf6ddf1fd685692d49: parent of first bad commit >>>>> b524060933c546fd2410c5a09360ba23a0fef846: with fix patch above >>>>> >>>>> 4e5160766fcc9f41 09a43ace1f986b003c118fdf6d b524060933c546fd2410c5a093 >>>>> ---------------- -------------------------- -------------------------- >>>>> %stddev %change %stddev %change %stddev >>>>> \ | \ | \ >>>>> 3463 ± 10% -61.4% 1335 ± 17% -3.0% 3359 ± 2% >>>>> ftq.noise.50% >>>>> 1116 ± 23% -73.7% 293.90 ± 30% -23.8% 850.69 ± 17% >>>>> ftq.noise.75% >>>> >>>> To be honest, I was expecting at least the same level of improvement >>>> as the previous patch if not better but i was not expecting worse >>>> results >>> >>> What's your next plan for this regression? At least your previous patch >>> could recover part of it. >> >> I haven't been able to find better fix than the previous patch so i'm >> going to send a clean version with proper commit message > > Great to know this. Could you keep me posted?
Yes for sure > > Best Regards, > Huang, Ying > >> Regards, >> Vincent >> >>> >>> Best Regards, >>> Huang, Ying
