Module metrics

Available on crate feature metrics only.

OpenTelemetry Metrics API

Structs

• AsyncInstrumentBuilder
  Configuration for building an async instrument.
• Counter
  An instrument that records increasing values.
• Gauge
  An instrument that records independent values
• Histogram
  An instrument that records a distribution of values.
• HistogramBuilder
  Configuration for building a Histogram.
• InstrumentBuilder
  Configuration for building a sync instrument.
• Meter
  Provides the ability to create instruments for recording measurements or accepting callbacks to report measurements.
• ObservableCounter
  An async instrument that records increasing values.
• ObservableGauge
  An async instrument that records independent readings.
• ObservableUpDownCounter
  An async instrument that records increasing or decreasing values.
• UpDownCounter
  An instrument that records increasing or decreasing values.

Traits

• AsyncInstrument
  An SDK implemented instrument that records measurements via callback.
• InstrumentProvider
  SDK implemented trait for creating instruments
• MeterProvider
  Provides access to named Meter instances, for instrumenting an application or crate.
• SyncInstrument
  An SDK implemented instrument that records measurements synchronously.

Type Aliases

• Callback
  A function registered with a Meter that makes observations for the instruments it is registered with.