Le mercredi 3 janvier 2018 18:00:01 UTC+1, Vincent Legoll a écrit :
>
> > root@minus:~# zcat /proc/config.gz | grep SUN4I_GPADC
> > CONFIG_MFD_SUN4I_GPADC=m
> > CONFIG_SUN4I_GPADC=m
>
> Are the modules loaded ?
>
> --
> Vincent Legoll
>
Yes :
root@minus:~# lsmod | grep gpadc
sun4i_gpadc_iio
Hello,
>> Do you have SUN4I_GPADC enabled? AFAIK its interrupt handler busy
>> loops, which might be what you are seeing.
> It seems so :
>
> root@minus:~# zcat /proc/config.gz | grep SUN4I_GPADC
> CONFIG_MFD_SUN4I_GPADC=m
> CONFIG_SUN4I_GPADC=m
Are the modules loaded ?
--
Vincent Legoll
--
Y
Le mercredi 3 janvier 2018 06:58:00 UTC+1, Chen-Yu Tsai a écrit :
>
>
> Do you have SUN4I_GPADC enabled? AFAIK its interrupt handler busy
> loops, which might be what you are seeing.
>
> ChenYu
>
It seems so :
root@minus:~# zcat /proc/config.gz | grep SUN4I_GPADC
CONFIG_MFD_SUN4I_GPADC=m
CONFI
On Thu, Dec 28, 2017 at 10:36 AM, Kai wrote:
> Hardware: cubieboard2 & cubietruck
> OS: archlinux with mainline kernel 4.12.x/4.13.x/4.14.x
> SoC: A20
>
> Issue desc: performance sensitive apps run stuttered comparing to they
> behave on 4.11.x, top shows "kworker" always kills 6~13% CPU time.
> P
Hardware: cubieboard2 & cubietruck
OS: archlinux with mainline kernel 4.12.x/4.13.x/4.14.x
SoC: A20
Issue desc: performance sensitive apps run stuttered comparing to they
behave on 4.11.x, top shows "kworker" always kills 6~13% CPU time.
Prior to 4.12.0, "kworker" never stays more than 0.1%.
I s