func GetMetric(params interface{}, log *logger.Logger) interface{} {
total := uint(0)
page_size := uint(C.get_pgsz())
for _, pid := range util.GetPids(params.(string), log) {
path := "/proc/" + pid + "/statm"
f, err := os.Open(path)
if err != nil {
log.Log("crit", "Could not open "+path+": "+err.Error())
return nil
}
defer f.Close()
content, err := ioutil.ReadAll(f)
if err != nil {
log.Log("crit", "Could not read from "+path+": "+err.Error())
return nil
}
parts := strings.Split(string(content), " ")
mem, err := strconv.Atoi(parts[1])
if err != nil {
log.Log("crit", "Trouble converting resident size "+parts[1]+" to integer: "+err.Error())
return nil
}
total += uint(mem) * page_size
}
return total
}
func GetMetric(params interface{}, log *logger.Logger) interface{} {
return len(util.GetPids(params.(string), log))
}