mirror of https://github.com/cjbassi/gotop.git
88 lines
1.6 KiB
Go
88 lines
1.6 KiB
Go
// +build linux
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package load
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import (
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"context"
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"io/ioutil"
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"strconv"
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"strings"
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"github.com/shirou/gopsutil/internal/common"
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)
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func Avg() (*AvgStat, error) {
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return AvgWithContext(context.Background())
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}
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func AvgWithContext(ctx context.Context) (*AvgStat, error) {
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filename := common.HostProc("loadavg")
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line, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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values := strings.Fields(string(line))
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load1, err := strconv.ParseFloat(values[0], 64)
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if err != nil {
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return nil, err
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}
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load5, err := strconv.ParseFloat(values[1], 64)
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if err != nil {
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return nil, err
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}
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load15, err := strconv.ParseFloat(values[2], 64)
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if err != nil {
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return nil, err
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}
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ret := &AvgStat{
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Load1: load1,
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Load5: load5,
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Load15: load15,
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}
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return ret, nil
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}
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// Misc returnes miscellaneous host-wide statistics.
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// Note: the name should be changed near future.
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func Misc() (*MiscStat, error) {
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return MiscWithContext(context.Background())
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}
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func MiscWithContext(ctx context.Context) (*MiscStat, error) {
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filename := common.HostProc("stat")
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out, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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ret := &MiscStat{}
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lines := strings.Split(string(out), "\n")
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for _, line := range lines {
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fields := strings.Fields(line)
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if len(fields) != 2 {
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continue
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}
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v, err := strconv.ParseInt(fields[1], 10, 64)
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if err != nil {
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continue
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}
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switch fields[0] {
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case "procs_running":
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ret.ProcsRunning = int(v)
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case "procs_blocked":
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ret.ProcsBlocked = int(v)
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case "ctxt":
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ret.Ctxt = int(v)
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default:
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continue
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}
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}
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return ret, nil
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}
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