package version

import "golang.org/x/exp/trace/internal/version"

Index ¶

• func WriteHeader(w io.Writer, v Version) (int, error)
• type Version
• func ReadHeader(r io.Reader) (Version, error)
• func (v Version) EventName(typ tracev2.EventType) string
• func (v Version) Specs() []tracev2.EventSpec
• func (v Version) Valid() bool

Functions ¶

func WriteHeader ¶

func WriteHeader(w io.Writer, v Version) (int, error)

WriteHeader writes a header for a trace version v to w.

Types ¶

type Version ¶

type Version uint32

Version represents the version of a trace file.

const (
	Go111   Version = 11 // v1
	Go119   Version = 19 // v1
	Go121   Version = 21 // v1
	Go122   Version = 22 // v2
	Go123   Version = 23 // v2
	Current         = Go123
)

func ReadHeader ¶

func ReadHeader(r io.Reader) (Version, error)

ReadHeader reads the version of the trace out of the trace file's header, whose prefix must be present in v.

func (Version) EventName ¶

func (v Version) EventName(typ tracev2.EventType) string

EventName returns a string name of a wire format event for a particular trace version.

func (Version) Specs ¶

func (v Version) Specs() []tracev2.EventSpec

Specs returns the set of event.Specs for this version.

func (Version) Valid ¶

func (v Version) Valid() bool

Source Files ¶

version.go