tracer

Documentation

Index

• func CloseTracer()
• func GetTracer() opentracing.Tracer
• func SetServiceName(service string)
• func Start(spanName string, ctx context.Context) (newCtx context.Context, finish func(...SpanOption), err error)
• func WithTracer(head, addr string, percent int, maxTagValueLength int)
• type SpanOption
  • func SpanWithError(err error) SpanOption
  • func SpanWithLog(arg ...interface{}) SpanOption

Functions

func CloseTracer

func CloseTracer()

func GetTracer

func GetTracer() opentracing.Tracer

func SetServiceName

func SetServiceName(service string)

func Start

func Start(spanName string, ctx context.Context) (newCtx context.Context, finish func(...SpanOption), err error)

func WithTracer

func WithTracer(head, addr string, percent int, maxTagValueLength int)

WithTracer addr:地址，percent 概率采集

Types

type SpanOption

type SpanOption func(span opentracing.Span)

func SpanWithError

func SpanWithError(err error) SpanOption

func SpanWithLog

func SpanWithLog(arg ...interface{}) SpanOption

example: SpanWithLog(

"event", "soft error",
"type", "cache timeout",
"waited.millis", 1500)