errmetrics

Documentation

Index

• Constants
• Variables
• type DumpEntry
• type Entry
• type Map
  • func OpenMap(fname string) (Map, error)
  • func (m Map) Dump() ([]DumpEntry, error)
• type MapKey
• type MapVal

Constants

const UnknownFname = "<unknown>"

Variables

var GetFileIDs = sync.OnceValues(func() (map[int]string, error) {
	var entries []Entry
	if err := json.Unmarshal(fileIDsJSON, &entries); err != nil {
		return nil, err
	}

	ret := map[int]string{}
	for _, e := range entries {
		ret[e.ID] = e.Filename
	}
	return ret, nil
})

var (
	MapName = "tg_errmetrics_map"
)

Types

type DumpEntry

type DumpEntry struct {
	Location string
	Error    string
	Count    int
}

type Entry

type Entry struct {
	ID       int    `json:"id"`
	Filename string `json:"filename"`
}

json entry

type Map

type Map struct {
	*ebpf.Map
}

func OpenMap

func OpenMap(fname string) (Map, error)

func (Map) Dump

func (m Map) Dump() ([]DumpEntry, error)

type MapKey

type MapKey struct {
	Err    uint16
	FileID uint8
	Pad1   uint8
	LineNR uint16
	Pad2   uint16
}

NB: should match bpf/lib/bpf_errmetrics.h:errmetrics_key

type MapVal

type MapVal = uint32