Metrics sum of rate or irate

[binhvcom]

This process-exporter have 2 mode (user and system), i want to have sum 2 of it (calculate the % of CPU)

So i use this, and the result …

It only can rate user or system, not both of them, what should i do ?

Please help me, thank you.

[binhvcom]

here is more details

[gretamosa]

Related robustperception.io/graph-top-n-time-series-in-grafana