Hi. 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. Reco
