func cpu(output string) (used float64, numOfCore int) {
o := strings.Split(output, "\n")
o0 := strings.TrimSuffix(o[0], " CPU)")
ol0 := strings.Split(o0, "(")
numOfCore = kmgStrconv.AtoIDefault0(ol0[len(ol0)-1])
o1 := strings.Split(o[3], " ")
_used := kmgStrconv.ParseFloat64Default0(o1[len(o1)-1])
used = (float64(100) - _used) / float64(100)
used = kmgMath.Float64RoundToRelativePrec(used, 4)
return
}
func memory(output string) (used float64, total int) {
o := strings.Split(output, "\n")
o0 := strings.TrimPrefix(o[2], "-/+ buffers/cache:")
o1 := strings.Split(o0, " ")
usedByte := 0
free := 0
for _, s := range o1 {
if s == "" {
continue
}
if usedByte == 0 {
usedByte = kmgStrconv.AtoIDefault0(s)
continue
}
free = kmgStrconv.AtoIDefault0(s)
break
}
total = usedByte + free
used = float64(usedByte) / float64(total)
used = kmgMath.Float64RoundToRelativePrec(used, 4)
return
}
func disk(output string) (used float64, total int) {
o := strings.Split(output, "\n")
o0 := strings.Split(o[1], " ")
after := 0
for i, s := range o0 {
if i == 0 {
continue
}
if s == "" {
continue
}
if total == 0 {
total = kmgStrconv.AtoIDefault0(s)
continue
}
after++
if after == 3 {
p := kmgStrconv.ParseFloat64Default0(strings.TrimSuffix(s, "%"))
used = kmgMath.Float64RoundToRelativePrec(p/float64(100), 4)
break
}
}
return
}