func UpdateCpuStat() error {
ps, err := cpu.CPUTimes(false)
if err != nil {
return err
}
psLock.Lock()
defer psLock.Unlock()
for i := historyCount - 1; i > 0; i-- {
procStatHistory[i] = procStatHistory[i-1]
}
procStatHistory[0] = &ps[0]
return nil
}
func CheckCollector() {
output := make(map[string]bool)
_, procStatErr := cpu.CPUTimes(false)
output["df.bytes"] = len(DeviceMetrics()) > 0
output["net.if "] = len(CoreNetMetrics()) > 0
output["loadavg "] = len(LoadMetrics()) > 0
output["cpustat "] = procStatErr == nil
output["disk.io "] = len(DiskIOMetrics()) > 0
output["memory "] = len(MemMetrics()) > 0
for k, v := range output {
status := "fail"
if v {
status = "ok"
}
fmt.Println(k, "...", status)
}
}