iostat

type IOViewer interface {
	ReadStat() *StatData
	WriteStat() *StatData
	Update()
	Close()
}

type Iostat interface {
	Get(out *Stat)
	Begin(size uint64)
	End(latency uint64)
}

type Stat struct {
	// contains filtered or unexported fields
}

type StatData struct {
	Iops  uint64
	Bps   uint64
	Avgrq uint64 // bytes
	Avgqu int64  // count. io depth
	Await int64  // nanoseconds
}

type StatItem struct {
	// contains filtered or unexported fields
}

type StatIterator struct {
	Stat     *Stat                 // share memory
	LastStat atomic.Value          // :Stat , last stat
	IoStat   [maxType]atomic.Value // :StatData
	// contains filtered or unexported fields
}

type StatMgr struct {
	Stat   *Stat
	Data   []byte
	Path   string
	DryRun bool
}

type StatMgrAPI interface {
	ReadBegin(size uint64)
	ReadEnd(t time.Time)
	WriteBegin(size uint64)
	WriteEnd(t time.Time)
	Writer(underlying io.Writer) io.Writer
	WriterAt(underlying io.WriterAt) io.WriterAt
	Reader(underlying io.Reader) io.Reader
	ReaderAt(underlying io.ReaderAt) io.ReaderAt
}

type Viewer struct {
	StatIterator
	// contains filtered or unexported fields
}