InitMOCtledSpan registers all mo_ctl controlled span.

IsMOCtledSpan first checks if this kind exists in mo_ctl controlled spans, if it is, return it's current state, or return not exist.

SetMoCtledSpanState first checks if this kind exists in mo_ctl controlled spans, if it is, reset it's state to the specified and return succeed, or return not succeed.

SpanContextWithIDs with default Kind: SpanKindInternal.

Start starts a default span entity.

WithHungThreshold please be careful to using this option.

WithLongTimeThreshold set timeout threshold.

WithProfileAllocs requests dump pprof/allocs.

WithProfileBlock requests dump pprof/block.

WithProfileCpuSecs requests dump pprof/cpu, and specify the time to profile.

WithProfileGoroutine requests dump pprof/mutex.

WithProfileHeap requests dump pprof/heap.

WithProfileMutex requests dump pprof/mutex.

WithProfileSystemStatus requests dump system status.

WithProfileThreadCreate requests dump pprof/threadcreate.

WithProfileTraceSecs requests dump pprof/trace, and specify the time to profile.

FlagsSampled is a bitmask with the sampled bit set.

SpanKindInternal is a SpanKind for a Span that represents an internal operation within MO.

SpanKindLocalFSVis is a SpanKind for a Span that needs to collect info of local object operation.

SpanKindRemote is a SpanKind for a Span that represents the operation cross rpc.

SpanKindRemoteFSVis is a SpanKind for a Span that needs to collect info of remote object operation.

SpanKindSession is a SpanKind for a Span that represents the operation start from session.

SpanKindStatement is a SpanKind for a Span that represents the operation belong to statement query.

SpanKindTNRPCHandle is a SpanKind for TN service to control the enable or disable of debug logs recording when it handles the RPC requests, like HandleCommit.

NonRecordingSpan keep SpanContext{TraceID, SpanID}.

NoopSpan is an implementation of Span that preforms no operations.

NoopTracer is an implementation of Tracer that preforms no operations.

SpanConfig is a group of options for a Span.

SpanContext contains identifying trace information about a Span.

TracerConfig is a group of options for a Tracer.

SpanOption applies an option to a SpanConfig.

SpanStartOption applies an option to a SpanConfig.

TracerOption applies an option to a TracerConfig.

SpanKind is the role a Span plays in a Trace.

TraceFlags contains flags that can be set on a SpanContext.