Is it normal that it takes more than 60% of cpu?
Look at kworker/0:1 at the output of top
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canelon3@debtest:~$ top
top - 18:21:40 up 32 min, 2 users, load average: 1,48, 1,63, 1,56
Tasks: 179 total, 2 running, 177 sleeping, 0 stopped, 0 zombie
%Cpu(s): 10,3 us, 32,1 sy, 0,0 ni, 56,5 id, 0,7 wa, 0,4 hi, 0,0 si, 0,0 st
KiB Mem: 2002336 total, 1872140 used, 130196 free, 25440 buffers
KiB Swap: 3071996 total, 9872 used, 3062124 free. 963576 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4729 root 20 0 0 0 0 R 63,7 0,0 8:03.46 kworker/0:1
4532 canelon3 20 0 456796 113296 59472 S 11,0 5,7 2:55.08 clementine
3034 root 20 0 89448 35148 21512 S 4,3 1,8 2:35.05 Xorg
4555 canelon3 20 0 82632 40756 32400 S 4,0 2,0 3:37.91 gnome-syst+
3529 canelon3 9 -11 167636 8700 7060 S 2,3 0,4 0:50.52 pulseaudio
4525 canelon3 20 0 45368 8632 6176 S 1,3 0,4 0:24.49 gvfsd-cdda
3632 canelon3 20 0 451872 163456 45784 S 0,3 8,2 1:52.63 gnome-shell
4372 root 20 0 0 0 0 S 0,3 0,0 0:00.33 usb-storage
4598 canelon3 20 0 977876 328616 77060 S 0,3 16,4 2:23.90 firefox-esr
4767 canelon3 20 0 71364 29184 23552 S 0,3 1,5 0:02.22 gnome-term+
4775 canelon3 20 0 6832 3064 2656 R 0,3 0,2 0:00.28 top
1 root 20 0 23292 4072 3044 S 0,0 0,2 0:01.70 systemd
2 root 20 0 0 0 0 S 0,0 0,0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0,0 0,0 0:00.92 ksoftirqd/0
4 root 39 19 0 0 0 S 0,0 0,0 9:50.51 kworker/0:0
5 root 0 -20 0 0 0 S 0,0 0,0 0:00.00 kworker/0:+
7 root 20 0 0 0 0 S 0,0 0,0 0:01.28 rcu_sched
edit:
after an hour and with no other window opened, kworker is still using near 70% of cpu.
And the laptop is getting hot (77 °C)
I think that is not normal.
Should i fix that?