Example #1
0
File: cpu.go Project: huin/warren
// 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()
}