func GetSystemInfo() (*lib.SystemInfo, error) {
var system_info lib.SystemInfo
var uname_info syscall.Utsname
if err := syscall.Uname(&uname_info); err != nil {
log.Fatal(err)
return nil, err
}
system_info.Hostname = string(lib.ConvertToSlice(uname_info.Nodename))
system_info.Sysname = string(lib.ConvertToSlice(uname_info.Sysname))
system_info.Release = string(lib.ConvertToSlice(uname_info.Release))
system_info.Machine = string(lib.ConvertToSlice(uname_info.Machine))
cpuinfo_file := "/proc/cpuinfo"
cpuinfo_data, err := lib.ReadFileFullContentByLine(cpuinfo_file)
if err != nil {
log.Fatal(err)
return nil, err
}
cpuinfo_model_name_splited := strings.Split(string(cpuinfo_data[4]), ":")
cpuinfo_frequency_splited := strings.Split(string(cpuinfo_data[6]), ":")
cpuinfo_model_name := strings.Trim(cpuinfo_model_name_splited[1], " ")
cpuinfo_frequency := strings.Trim(cpuinfo_frequency_splited[1], " ")
system_info.CPUModelName = cpuinfo_model_name
system_info.CPUFrequency = cpuinfo_frequency
system_info.CPUCores = runtime.NumCPU()
system_info.Location = lib.GetTimeLocation()
system_info.GOVersion = runtime.Version()
system_info.ProcessID = os.Getpid()
return &system_info, nil
}
func GetLoadInfo(channel chan *lib.LoadInfo, sleep time.Duration) {
var load_info lib.LoadInfo
for {
meminfo_file := "/proc/meminfo"
meminfo_data, err := lib.ReadFileFullContentByLine(meminfo_file)
if err != nil {
log.Fatal(err)
return
}
now_time := lib.GetTimeString()
load_info.TimeString = now_time
meminfo_total_splited := bytes.Fields(meminfo_data[0])
meminfo_free_splited := bytes.Fields(meminfo_data[1])
meminfo_buffers_splited := bytes.Fields(meminfo_data[2])
meminfo_cached_splited := bytes.Fields(meminfo_data[3])
if v, err := strconv.ParseUint(string(meminfo_total_splited[1]), 10, 0); err == nil {
load_info.MemTotal = v
}
if v, err := strconv.ParseUint(string(meminfo_free_splited[1]), 10, 0); err == nil {
load_info.MemFree = v
}
if v, err := strconv.ParseUint(string(meminfo_buffers_splited[1]), 10, 0); err == nil {
load_info.MemBuffers = v
}
if v, err := strconv.ParseUint(string(meminfo_cached_splited[1]), 10, 0); err == nil {
load_info.MemCached = v
}
load_info.MemUsed = load_info.MemTotal - load_info.MemFree
loadavg_file := "/proc/loadavg"
loadavg_data, err := lib.ReadFileFullContent(loadavg_file)
if err != nil {
log.Fatal(err)
return
}
loadavg_splited := strings.Split(string(loadavg_data), " ")
if len(loadavg_splited) > 0 {
// 1分钟内的负载
load1 := strings.Trim(loadavg_splited[0], " ")
if v, err := strconv.ParseFloat(load1, 64); err == nil {
load_info.LoadAVG1 = v
}
// 5分钟内的负载
load5 := strings.Trim(loadavg_splited[1], " ")
if v, err := strconv.ParseFloat(load5, 64); err == nil {
load_info.LoadAVG5 = v
}
// 15分钟内的负载
load15 := strings.Trim(loadavg_splited[2], " ")
if v, err := strconv.ParseFloat(load15, 64); err == nil {
load_info.LoadAVG15 = v
}
}
channel <- &load_info
time.Sleep(sleep)
}
}