diff options
Diffstat (limited to 'kube2msb/src/vendor/github.com/prometheus/procfs/stat.go')
-rw-r--r-- | kube2msb/src/vendor/github.com/prometheus/procfs/stat.go | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/kube2msb/src/vendor/github.com/prometheus/procfs/stat.go b/kube2msb/src/vendor/github.com/prometheus/procfs/stat.go new file mode 100644 index 0000000..26fefb0 --- /dev/null +++ b/kube2msb/src/vendor/github.com/prometheus/procfs/stat.go @@ -0,0 +1,55 @@ +package procfs + +import ( + "bufio" + "fmt" + "strconv" + "strings" +) + +// Stat represents kernel/system statistics. +type Stat struct { + // Boot time in seconds since the Epoch. + BootTime int64 +} + +// NewStat returns kernel/system statistics read from /proc/stat. +func NewStat() (Stat, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Stat{}, err + } + + return fs.NewStat() +} + +// NewStat returns an information about current kernel/system statistics. +func (fs FS) NewStat() (Stat, error) { + f, err := fs.open("stat") + if err != nil { + return Stat{}, err + } + defer f.Close() + + s := bufio.NewScanner(f) + for s.Scan() { + line := s.Text() + if !strings.HasPrefix(line, "btime") { + continue + } + fields := strings.Fields(line) + if len(fields) != 2 { + return Stat{}, fmt.Errorf("couldn't parse %s line %s", f.Name(), line) + } + i, err := strconv.ParseInt(fields[1], 10, 32) + if err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s: %s", fields[1], err) + } + return Stat{BootTime: i}, nil + } + if err := s.Err(); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s: %s", f.Name(), err) + } + + return Stat{}, fmt.Errorf("couldn't parse %s, missing btime", f.Name()) +} |