Re: Problems using stock kernel armmp with Marvell 38x hardware.
On Fri, Oct 19, 2018 at 11:25:47PM +0200, LinAdmin wrote:
> On 19.10.2018 20:12, Uwe Kleine-König wrote:
> > Hello,
> > On 10/19/2018 04:39 PM, LinAdmin wrote:
> >> When the system is idle, one CPU is always busy at least 50%
> >> with a kworker thread which IMHO does not perform any useful
> >> work. When idle, the kernel 4.9.y built exclusively for
> >> Marvell has both CPU’s at below 1% load.
> > How do you diagnose that? I have an Turris Omnia here which is powered
> > by an Armada385, too. I just logged into it, the load average is below
> > 0.1 and according to htop the CPUs run at < 1%.
> > Best regards
> > Uwe
> Using top or htop show that cpu load.
What about 'perf top' result?
I happen to have Armada385/Caiman with stock Debian kernel, and I see no
such CPU load.