func getLoad() ([]float64, error) {
var loadavg [3]C.double
samples := C.getloadavg(&loadavg[0], 3)
if samples > 0 {
return []float64{float64(loadavg[0]), float64(loadavg[1]), float64(loadavg[2])}, nil
} else {
return nil, errors.New("failed to get load average")
}
}
func GetMetric(params interface{}, log *logger.Logger) interface{} {
var loadavg [3]C.double
log.Log("debug", "Calling getloadavg()")
C.getloadavg(&loadavg[0], 3)
return loadavg
}
func getLoad1() (float64, error) {
var loadavg [1]C.double
samples := C.getloadavg(&loadavg[0], 1)
if samples > 0 {
return float64(loadavg[0]), nil
} else {
return 0, errors.New("failed to get load average")
}
}
// Returns system load averages.
func getSystemLoadaverage() ([3]float32, error) {
avg := []C.double{0, 0, 0}
n := C.getloadavg(&avg[0], C.int(len(avg)))
if n == -1 {
return [3]float32{0, 0, 0}, errors.New("load average unavailable")
}
return [3]float32{float32(avg[0]), float32(avg[1]), float32(avg[2])}, nil
}
// Collect populates Loadstat by using getloadavg
func (s *LoadStat) Collect() {
var loadavg [3]C.double
//get system load averages
C.getloadavg(&loadavg[0], 3)
s.OneMinute.Set(float64(loadavg[0]))
s.FiveMinute.Set(float64(loadavg[1]))
s.FifteenMinute.Set(float64(loadavg[2]))
}
func (self *LoadAverage) Get() error {
avg := []C.double{0, 0, 0}
C.getloadavg(&avg[0], C.int(len(avg)))
self.One = float64(avg[0])
self.Five = float64(avg[1])
self.Fifteen = float64(avg[2])
return nil
}