func Init() error {
var err error
onceLer.Do(func() {
if cpuNumCores, err = cpu.Counts(true); err != nil {
err = fmt.Errorf("Unable to determine the number of CPU cores available: %v", err)
return
}
var cpuInfo []cpu.InfoStat
if cpuInfo, err = cpu.Info(); err != nil {
err = fmt.Errorf("Unable to obtain CPU information: %v", err)
return
}
for _, cpu := range cpuInfo {
cpuModelName = cpu.ModelName
cpuMhzPerCore = cpu.Mhz
break
}
// Floor all of the values such that small difference don't cause the
// node to fall into a unique computed node class
cpuMhzPerCore = math.Floor(cpuMhzPerCore)
cpuTotalTicks = math.Floor(float64(cpuNumCores) * cpuMhzPerCore)
})
return err
}
// LoadAverage - returns load avg
func LoadAverage() LoadStruct {
cores, _ := cpu.Counts(true)
load, _ := load.Avg()
l := LoadStruct{
Minute: load.Load1,
FiveMinutes: load.Load5,
FifteenMinutes: load.Load15,
Cores: cores,
}
return l
}