var (
	errNoBuildInfo = errors.New("counter: missing build info")
	errCorrupt     = errors.New("counter: corrupt counter file")
)

func (f *file) init(begin, end time.Time) {
	info, ok := debug.ReadBuildInfo()
	if !ok {
		f.err = errNoBuildInfo
		return
	}
	if mode, _ := telemetry.Default.Mode(); mode == "off" {
		f.err = ErrDisabled
		return
	}
	dir := telemetry.Default.LocalDir()