func (getSystemRunTimeInfoLinux *GetSystemRunTimeInfoLinux) GetInfo() (*RunTimeInfo, error) {
osErr := getLinuxOSError()
if nil != osErr {
return nil, osErr
}
var content string
content, err := utils.ReadFileToStringNoLn("/proc/uptime")
if nil != err {
return nil, err
}
fields := strings.Fields(content)
if len(fields) < 2 {
return nil, errors.New("/proc/uptime parse error")
}
secStr := fields[0]
var secF float64
secF, err = strconv.ParseFloat(secStr, 64)
if nil != err {
return nil, err
}
runTimeInfo := &RunTimeInfo{}
minTotal := secF / 60.0
hourTotal := minTotal / 60.0
runTimeInfo.Day = int64(hourTotal / 24.0)
runTimeInfo.Hour = int64(hourTotal) - runTimeInfo.Day*24
runTimeInfo.Min = int64(minTotal) - (runTimeInfo.Day * 60 * 24) - (runTimeInfo.Hour * 60)
return runTimeInfo, nil
}
func (getAllProcessInfoLinux *GetAllProcessInfoLinux) getCmdLine(processInfo *model.ProcessInfo) (err error) {
cmdline_file := fmt.Sprintf("/proc/%d/cmdline", processInfo.Id)
if !utils.IsFileExist(cmdline_file) {
err = errors.New("文件不存在")
return
}
processInfo.Cmdline, err = utils.ReadFileToStringNoLn(cmdline_file)
return
}
func (getLoaderAvgInfoLinux *GetLoaderAvgInfoLinux) GetInfo() (*LoaderAvgInfo, error) {
loaderAvgInfo := LoaderAvgInfo{}
data, err := utils.ReadFileToStringNoLn("/proc/loadavg")
if nil != err {
return nil, err
}
slice := strings.Split(string(data), " ")
if loaderAvgInfo.Avg1min, err = strconv.ParseFloat(slice[0], 64); nil != err {
return nil, err
}
if loaderAvgInfo.Avg5min, err = strconv.ParseFloat(slice[1], 64); nil != err {
return nil, err
}
if loaderAvgInfo.Avg15min, err = strconv.ParseFloat(slice[2], 64); nil != err {
return nil, err
}
return &loaderAvgInfo, nil
}