Crate metrics_util

Helper types and functions used within the metrics ecosystem.

Modules

layers

Layers are composable helpers that can be “layered” on top of an existing Recorder to enhance or alter its behavior as desired, without having to change the recorder implementation itself.

Structs

AtomicBucket	A lock-free bucket with snapshot capabilities.
CompositeKey	A composite key that stores both the metric key and the metric kind.
DebuggingRecorder	A simplistic recorder that can be installed and used for debugging or testing.
Generation	Generation counter.
Histogram	A bucketed histogram.
MetricKindMask	Metric kind mask.
Quantile	A quantile that has both the raw value and a human-friendly display label.
Recency	Tracks recency of metric updates by their registry generation and time.
Registry	A high-performance metric registry.
Snapshotter	Captures point-in-time snapshots of DebuggingRecorder.
Summary	A quantile sketch with relative-error guarantees.

Enums

DebugValue	A point-in-time value for a metric exposing raw values.
Handle	Basic metric handle.
MetricKind	Metric kind.

Functions

parse_quantiles

Parses a slice of floating-point values into a vector of Quantiles.