Re: [Bsdrp-users] high WCPU in clean bsdrp

[Olivier Cochard-L. <ol...@co...>]

On Mon, Feb 15, 2021 at 11:00 AM Сучасні Системи Безпеки <
gri...@gm...> wrote:

> i understand about idle process
>
> but why is pmcstat -TS inst_retired.any_p -w1
> showing
>
> PMC: [inst_retired.any_p] Samples: 220 (100.0%) , 36 unresolved
>
> %SAMP IMAGE      FUNCTION                       CALLERS
>
> ------>>>>>>> 67.4 kernel     acpi_cpu_idle_mwait            acpi_cpu_idle
>
> could you please run pmcstat on your server and see the output ? is where
> also a high % the kernel using ?
>
>
No indeed I don't have this acpi_cpu_idle_mwait function on the top:

PMC: [inst_retired.any_p] Samples: 156 (100.0%) , 44 unresolved

%SAMP IMAGE      FUNCTION                       CALLERS
 32.1 kernel     cpu_search_highest             cpu_search_highest:28.6
sched_switch:2.7 sched_idletd:0.9
  4.5 kernel     cpu_search_lowest              cpu_search_lowest:3.6
sched_pickcpu:0.9
  2.7 libncurses start_color_sp                 wbkgrnd
  1.8 kernel     sched_switch                   mi_switch

Did you customize your performance_cx_lowest rc.conf ?
Regards,
Olivier