// values should be a "cpu"-prefixed set of values from /proc/stat.
// cc.metricLabels must have "core" label set or removed as appropriate for cv.
func (cc *cpuCollector) exportValues(values []string, cv *promm.CounterVec) {
for stateIndex, valueStr := range values {
if stateIndex > len(cpuStates) {
break
}
if cc.recordedStates&(1<<uint(stateIndex)) != 0 {
jiffies, err := strconv.ParseUint(valueStr, 10, 64)
if err != nil {
continue
}
cc.metricLabels["state"] = cpuStates[stateIndex]
cv.With(cc.metricLabels).Set(float64(jiffies) * cc.jiffiesScaler)
}
}
}
func readCounterVec(m *prometheus.CounterVec, l prometheus.Labels) float64 {
pb := &dto.Metric{}
c := m.With(l)
c.Write(pb)
return pb.GetCounter().GetValue()
}