Int64Measure returns a new Int64Measure with the given name and description.

MakeCounter returns a new counter with the given name, description, aggregation, and tag keys.

MakeGauge returns a new gauge with the given name and description.

MakeLastValueCounter returns a counter with a LastValue aggregation for the given name, description, and tag keys.

MakeSumCounter returns a new counter with a Sum aggregation for the given name, description, and tag keys.

Measure records the given value to the given counter.

MeasureOne records a one value to the given counter.

MeasureZero records a zero value to the given counter.

NewStopWatch creates a new StopWatch that records the duration of an operation and records an opencensus metric for the time between Start and Stop The metric is recorded with the provided measurement and labels as a tag.

ViewForCounter returns a view for the given measure with the given aggregation and tag keys.

StopWatch is a stopwatch that records the duration of an operation and records an opencensus metric for the time between Start and Stop.