spanid

const (
	// 原始数据中必须存在.
	Direction = "direction"

	AppTraceIDL    = "app_trace_id_l"
	AppTraceIDH    = "app_trace_id_h"
	AppParentIDL   = "app_parent_id_l"
	AppSpanSampled = "app_span_sampled"
	AppTraceEncode = "app_trace_encode"

	ThrTraceID = "thread_trace_id"
	ReqSeq     = "req_seq"
	RespSeq    = "resp_seq"

	EBPFSpanType = "ebpf_span_type"
)