Module metrics

OpenTelemetry Metrics API

Modules

• noop
  No-op OpenTelemetry Metrics Implementation

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.
• InstrumentBuilder
  Configuration for building a sync instrument.
• Meter
  Provides access to instrument instances for recording 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.
• Unit
  Units denote underlying data units tracked by Meters.
• UpDownCounter
  An instrument that records increasing or decreasing values.

Enums

• MetricsError
  Errors returned by the metrics API.

Traits

• AsyncInstrument
  An SDK implemented instrument that records measurements via callback.
• CallbackRegistration
  A token representing the unique registration of a callback for a set of instruments with a Meter.
• InstrumentProvider
  SDK implemented trait for creating instruments
• MeterProvider
  Provides access to named Meter instances, for instrumenting an application or crate.
• Observer
  Records measurements for multiple instruments in a callback.
• SyncCounter
  An SDK implemented instrument that records increasing values.
• SyncGauge
  An SDK implemented instrument that records independent values
• SyncHistogram
  An SDK implemented instrument that records a distribution of values.
• SyncUpDownCounter
  An SDK implemented instrument that records increasing or decreasing values.

Type Aliases

• Callback
  A function registered with a Meter that makes observations for the instruments it is registered with.
• Result
  A specialized Result type for metric operations.