Module metrics
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§OpenTelemetry Metrics API
- noop
- No-op OpenTelemetry Metrics Implementation
- 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.
- UpDownCounter
- An instrument that records increasing or decreasing values.
- MetricsError
- Errors returned by the metrics API.
- 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.
- 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.