telegraf/plugins/system/ps/load/load_linux.go

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2015-04-04 00:22:31 +00:00
// +build linux
package load
import (
"io/ioutil"
"strconv"
"strings"
)
func LoadAvg() (*LoadAvgStat, error) {
filename := "/proc/loadavg"
line, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
values := strings.Fields(string(line))
load1, err := strconv.ParseFloat(values[0], 64)
if err != nil {
return nil, err
}
load5, err := strconv.ParseFloat(values[1], 64)
if err != nil {
return nil, err
}
load15, err := strconv.ParseFloat(values[2], 64)
if err != nil {
return nil, err
}
ret := &LoadAvgStat{
Load1: load1,
Load5: load5,
Load15: load15,
}
return ret, nil
}