Method Update

metric/cpu_linux.go:80–85

Update implements Collector and exposes cpu related metrics from /proc/stat and /sys/.../cpu/.

(ch chan<- prometheus.Metric)

// Update implements Collector and exposes cpu related metrics from /proc/stat and /sys/.../cpu/.
func (c *cpuCollector) Update(ch chan<- prometheus.Metric) error {
	if err := c.updateStat(ch); err != nil {
		return err
	}
	return c.updateCPUfreq(ch)
}

// updateCPUfreq reads /sys/devices/system/cpu/cpu* and expose cpu frequency statistics.
func (c *cpuCollector) updateCPUfreq(ch chan<- prometheus.Metric) error {