Struct PrometheusRecorder 

pub struct PrometheusRecorder { /* private fields */ }

Metrics sink that accumulates samples and can render Prometheus text format 0.0.4.

Implementations

impl PrometheusRecorder

pub fn new() -> Self

Empty recorder.

pub fn render(&self) -> String

Render Prometheus exposition text (sorted, one # TYPE per metric name).

pub fn series_names(&self) -> BTreeSet<String>

Series names that appear in the current capture (counters/histograms/gauges).

Trait Implementations

impl Debug for PrometheusRecorder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PrometheusRecorder

fn default() -> PrometheusRecorder

Returns the “default value” for a type.

impl MetricsSink for PrometheusRecorder

fn counter(&self, name: &str, value: u64, labels: &[(&str, &str)])

Increment a counter.

fn histogram(&self, name: &str, value: f64, labels: &[(&str, &str)])

Observe a histogram sample.

fn gauge(&self, name: &str, value: f64, labels: &[(&str, &str)])

Set a gauge.