prometheus common metric

Node Exporter

CPU 使用率

# 百分比
100 - (avg by (instance) (irate(node_cpu_seconds_total{mode="idle"}[1m])) * 100)

avg by (instance) (irate(node_cpu_seconds_total{mode!='idle'}[1m]))
# 区分 mode
avg by (instance,mode) (irate(node_cpu_seconds_total{mode!='idle'}[1m]))

参考