I just installed Kubuntu after being a Windows user for all my life. Only been working with Linux through terminal on servers.

Anyway, I feel like my computer is working harder than normal when just being idle in Kubuntu. I checked the system monitor and it shows nothing crazy (only kworker:0.2 using 12%).

However, when checking the CPU statistics I can see that one core is allways close to 100%. Is this normal or not? All the other cores are relaxing at 0-4%.

I did a perf trace and found this:

46,63%    46,37%  kworker/0:2      [kernel.kallsyms]                  [k] pci_conf1_read

I just need to know if everything is normal here so I can relax or if its hogging uneccesarily at my CPU

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