IsEnabled reports whether tracing is enabled.

Log emits a one-off event with the given category and message.

Logf is like Log, but the value is formatted using the specified format spec.

NewTask creates a task instance with the type taskType and returns it along with a Context that carries the task.

Start enables tracing for the current program.

StartRegion starts a region and returns a function for marking the end of the region.

Stop stops the current tracing, if any.

WithRegion starts a region associated with its calling goroutine, runs fn, and then ends the region.

Region is a region of code whose execution time interval is traced.

Task is a data type for tracing a user-defined, logical operation.