Serge Bazanski | cc25bdf | 2018-10-25 14:02:58 +0200 | [diff] [blame] | 1 | // +build darwin |
| 2 | |
| 3 | package load |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "os/exec" |
| 8 | "strconv" |
| 9 | "strings" |
| 10 | |
| 11 | "github.com/shirou/gopsutil/internal/common" |
| 12 | ) |
| 13 | |
| 14 | func Avg() (*AvgStat, error) { |
| 15 | return AvgWithContext(context.Background()) |
| 16 | } |
| 17 | |
| 18 | func AvgWithContext(ctx context.Context) (*AvgStat, error) { |
| 19 | values, err := common.DoSysctrlWithContext(ctx, "vm.loadavg") |
| 20 | if err != nil { |
| 21 | return nil, err |
| 22 | } |
| 23 | |
| 24 | load1, err := strconv.ParseFloat(values[0], 64) |
| 25 | if err != nil { |
| 26 | return nil, err |
| 27 | } |
| 28 | load5, err := strconv.ParseFloat(values[1], 64) |
| 29 | if err != nil { |
| 30 | return nil, err |
| 31 | } |
| 32 | load15, err := strconv.ParseFloat(values[2], 64) |
| 33 | if err != nil { |
| 34 | return nil, err |
| 35 | } |
| 36 | |
| 37 | ret := &AvgStat{ |
| 38 | Load1: float64(load1), |
| 39 | Load5: float64(load5), |
| 40 | Load15: float64(load15), |
| 41 | } |
| 42 | |
| 43 | return ret, nil |
| 44 | } |
| 45 | |
| 46 | // Misc returnes miscellaneous host-wide statistics. |
| 47 | // darwin use ps command to get process running/blocked count. |
| 48 | // Almost same as FreeBSD implementation, but state is different. |
| 49 | // U means 'Uninterruptible Sleep'. |
| 50 | func Misc() (*MiscStat, error) { |
| 51 | return MiscWithContext(context.Background()) |
| 52 | } |
| 53 | |
| 54 | func MiscWithContext(ctx context.Context) (*MiscStat, error) { |
| 55 | bin, err := exec.LookPath("ps") |
| 56 | if err != nil { |
| 57 | return nil, err |
| 58 | } |
| 59 | out, err := invoke.CommandWithContext(ctx, bin, "axo", "state") |
| 60 | if err != nil { |
| 61 | return nil, err |
| 62 | } |
| 63 | lines := strings.Split(string(out), "\n") |
| 64 | |
| 65 | ret := MiscStat{} |
| 66 | for _, l := range lines { |
| 67 | if strings.Contains(l, "R") { |
| 68 | ret.ProcsRunning++ |
| 69 | } else if strings.Contains(l, "U") { |
| 70 | // uninterruptible sleep == blocked |
| 71 | ret.ProcsBlocked++ |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | return &ret, nil |
| 76 | } |