kworker causes high load problem

gistfile1.txt

# kworker has high load
# perf tools like `perf top` show acpi_ns_search_one_scope with high cpu
sudo perf record -g -a sleep 10
sudo perf report

# find bad interrupts
grep . -r /sys/firmware/acpi/interrupts/

# diasble bad interrupt
https://gist.github.com/StefanoBelli/0aab46b858a797c4eedb90e8799dffa2

# further readning
https://askubuntu.com/questions/33640/kworker-what-is-it-and-why-is-it-hogging-so-much-cpu#421916
https://www.thomas-krenn.com/de/wiki/Linux_Performance_Counters_mit_perf_und_perf-tools