Enum InstrumentKind

pub enum InstrumentKind {
    ValueRecorder,
    ValueObserver,
    Counter,
    UpDownCounter,
    SumObserver,
    UpDownSumObserver,
}

Available on crate feature metrics only.

Kinds of OpenTelemetry metric instruments

Name	Instrument kind	Function(argument)	Default aggregation	Notes
ValueRecorder	Synchronous	Record(value)	MinMaxSumCount	Per-request, any non-additive measurement
ValueObserver	Asynchronous	Observe(value)	MinMaxSumCount	Per-interval, any non-additive measurement
Counter	Synchronous additive monotonic	Add(increment)	Sum	Per-request, part of a monotonic sum
UpDownCounter	Synchronous additive	Add(increment)	Sum	Per-request, part of a non-monotonic sum
SumObserver	Asynchronous additive monotonic	Observe(sum)	Sum	Per-interval, reporting a monotonic sum
UpDownSumObserver	Asynchronous additive	Observe(sum)	Sum	Per-interval, reporting a non-monotonic sum

Variants

ValueRecorder

A synchronous per-request recorder of non-additive measurements.

ValueObserver

An asynchronous per-interval recorder of non-additive measurements.

Counter

A synchronous per-request part of a monotonic sum.

UpDownCounter

A synchronous per-request part of a non-monotonic sum.

SumObserver

An asynchronous per-interval recorder of a monotonic sum.

UpDownSumObserver

An asynchronous per-interval recorder of a non-monotonic sum.

Implementations

impl InstrumentKind

pub fn synchronous(&self) -> bool

Whether this is a synchronous kind of instrument.

pub fn asynchronous(&self) -> bool

Whether this is a synchronous kind of instrument.

pub fn adding(&self) -> bool

Whether this kind of instrument adds its inputs (as opposed to grouping).

pub fn grouping(&self) -> bool

Whether this kind of instrument groups its inputs (as opposed to adding).

pub fn monotonic(&self) -> bool

Whether this kind of instrument exposes a non-decreasing sum.

pub fn precomputed_sum(&self) -> bool

Whether this kind of instrument receives precomputed sums.

Trait Implementations

impl Clone for InstrumentKind

fn clone(&self) -> InstrumentKind

Returns a duplicate of the value.

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InstrumentKind

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

Formats the value using the given formatter.

impl Hash for InstrumentKind

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for InstrumentKind

fn eq(&self, other: &InstrumentKind) -> bool

Tests for self and other values to be equal, and is used by ==.

const fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for InstrumentKind