Finish declares that this trace is complete. The trace should not be used after calling this method.

NewContext returns a new context.Context and Trace with the given family and title. The trace will be stored in the context.

Printf formats its arguments with fmt.Sprintf and adds the result to the event log.

SetError declares that this trace resulted in an error.

DumpMetrics returns the metrics prometheus would return when collected as a string, for fun and testing

KeyValue creates a Key/Value pair that is suitable for use in the LogMessage() function

LazyLog adds x to the event log. It will be evaluated each time the debug/requests page is rendered. Any memory referenced by x will be pinned until t

LazyPrintf evaluates its arguments with fmt.Sprintf each time the debug/requests page is rendered. Any memory referenced by a will be pinned until the

LogMessage creates a message that complies with fmt.Stringer but also includes a message and key/value pairs for structured logging. Use it in trace.L

Finish declares that this event log is complete. The event log should not be used after calling this method.

Errorf is like Printf, but it marks this event as an error.

New returns a new Trace with the specified family and title.

NewEventLog returns an initialized EventLog with the given family and title.

PushMetrics sends the metrics collected to the prometheus push gateway at the url in `gatewayURL` with the job name of `task` Should be called in a de

Inside the handler, use traces to capture request specific events and timings and the el member to log service specific events - like failures

ServeMetrics serves Prometheus metrics endpoint on the provided net.Listener Use for long-running services. For cli tools, use PushMetrics instead.

SetAuthRequest sets the AuthRequest function for the underlying trace HTTP listener, which determines whether a specific request is permitted to load

SetLogger replaces the default logger with a new one that writes to 'out', has 'prefix', and flags 'flag'

SetMaxEvents sets the maximum number of events that will be stored in the trace. This has no effect if any events have already been added to the trace

SetRecycler sets a recycler for the trace. f will be called for each event passed to LazyLog at a time when it is no longer required, whether while th

SetTraceInfo sets the trace info for the trace. This is currently unused.

TitleFromContext is a convenience function that returns the Trace's title from a context or an empty string if none exists