Is there a non-cpu intensive way to gather system usage data in Nodejs?

Question

Context; I'm writing a monitoring/management app for a VPS, which is running Linux Reasons; I need to quickly be able to identify overloaded threads, high ram usage, badly behaving tasks. Problems and current stage; Right now my code works well, I'm using systeminformation npm module to gather some system information like CPU usage, memory usage, disk status and task list, I put it into an object and send to all connected clients on a socket.io server. Problem is, it seems that this approach literally brings the host machine to it's knees (Both server and client are running locally, because I'm still working on them), by that I mean my CPU usage going from 6% to 80% in an instant, which is ridiculous. I want this updating to be atleast once a second, but if possible, 60/s. Point is, I need to either find a different way of retrieving the usage data of CPU (ideally with each thread as well), memory, disks and the list of tasks. I know this question is not very specific, but I believe this is something more people than just me encounter, that being that NodeJS just kills the machine (irony). The question remains, looking forward towards any help!

I tried different approaches before but they seemed to lower the usage by a bit or just up it because of the need to have more modules loaded. This generally leads me to the conclusion I just need a better module to handle this stuff.