I have been running mutliple versions of nodejs(both 10 and 13). But on further research the logged cpu usage seems fine around 30%?

A few days ago i started using Domoticz. I installed nodejs to make use of my nefit easy(https://github.com/robertklep/nefit-easy-core). Today is was checking the cpu usage with the 'top' command and saw that it went up to 100%. When I uninstall Node the usage goes back down. How can i check if the ...