com.facebook.presto.spi.tracing

Interface Tracer

All Known Implementing Classes:

NoopTracer

public interface Tracer

Method Summary

Modifier and Type	Method and Description
void	addPoint(String annotation) Add a single trace point with current time to the main block
void	addPointToBlock(String blockName, String annotation) Add a trace point with current time to the specified block
void	endBlock(String blockName, String annotation) End the specified block
void	endTrace(String annotation) End the entire trace
String	getTracerId()
void	startBlock(String blockName, String annotation) Add a new block starting at current time to the trace

Method Detail

addPoint

void addPoint(String annotation)

Add a single trace point with current time to the main block

Parameters:

annotation - message associated with the trace point

startBlock

void startBlock(String blockName,
                String annotation)

Add a new block starting at current time to the trace

Parameters:

blockName - the name for the added tracing block

annotation - message associated with the start point of the block

addPointToBlock

void addPointToBlock(String blockName,
                     String annotation)

Add a trace point with current time to the specified block

Parameters:

blockName - the name for the tracing block to add point to

annotation - message associated with the added point to the block

endBlock

void endBlock(String blockName,
              String annotation)

End the specified block

Parameters:

blockName - the name for the tracing block to end

annotation - message associated with the end point of the block

endTrace

void endTrace(String annotation)

End the entire trace

Parameters:

annotation - message associated with the end point of the trace

getTracerId

String getTracerId()