Meter.CreateObservableCounter Method

Definition

Namespace:

System.Diagnostics.Metrics

Assembly:

System.Diagnostics.DiagnosticSource.dll

Package:

System.Diagnostics.DiagnosticSource v9.0.0-rc.2.24473.5

Overloads

CreateObservableCounter<T>(String, Func<IEnumerable<Measurement<T>>>, String, String)	Creates an ObservableCounter, which is an instrument that reports monotonically increasing values when the instrument is being observed.
CreateObservableCounter<T>(String, Func<Measurement<T>>, String, String)	Creates an ObservableCounter, which is an instrument that reports monotonically increasing values when the instrument is being observed.
CreateObservableCounter<T>(String, Func<T>, String, String)	Creates an ObservableCounter, which is an instrument that reports monotonically increasing values when the instrument is being observed.
CreateObservableCounter<T>(String, Func<IEnumerable<Measurement<T>>>, String, String, IEnumerable<KeyValuePair<String,Object>>)	Creates an ObservableCounter instance, which is an Instrument that reports monotonically increasing value(s) when the instrument is being observed.
CreateObservableCounter<T>(String, Func<Measurement<T>>, String, String, IEnumerable<KeyValuePair<String,Object>>)	Creates an ObservableCounter instance, which is an Instrument that reports monotonically increasing value(s) when the instrument is being observed.
CreateObservableCounter<T>(String, Func<T>, String, String, IEnumerable<KeyValuePair<String,Object>>)	Creates an ObservableCounter instance, which is an Instrument that reports monotonically increasing value(s) when the instrument is being observed.

CreateObservableCounter<T>(String, Func<IEnumerable<Measurement<T>>>, String, String)

Source:

Meter.cs

Creates an ObservableCounter, which is an instrument that reports monotonically increasing values when the instrument is being observed.

public System.Diagnostics.Metrics.ObservableCounter<T> CreateObservableCounter<T> (string name, Func<System.Collections.Generic.IEnumerable<System.Diagnostics.Metrics.Measurement<T>>> observeValues, string? unit = default, string? description = default) where T : struct;

member this.CreateObservableCounter : string * Func<seq<System.Diagnostics.Metrics.Measurement<'T>>> * string * string -> System.Diagnostics.Metrics.ObservableCounter<'T (requires 'T : struct)> (requires 'T : struct)

Public Function CreateObservableCounter(Of T As Structure) (name As String, observeValues As Func(Of IEnumerable(Of Measurement(Of T))), Optional unit As String = Nothing, Optional description As String = Nothing) As ObservableCounter(Of T)

Type Parameters

T

The numerical type of the measurement.

Parameters

name

String

The instrument name. Cannot be null.

observeValues

Func<IEnumerable<Measurement<T>>>

The callback to call to get the measurements when ObservableCounter{T}.Observe() is called by RecordObservableInstruments().

unit

String

Optional instrument unit of measurements.

description

String

Optional instrument description.

Returns

ObservableCounter<T>

A new observable counter.

Remarks

Example uses for ObservableCounter: The number of page faults for each process.

CreateObservableCounter<T>(String, Func<Measurement<T>>, String, String)

Source:

Meter.cs

Creates an ObservableCounter, which is an instrument that reports monotonically increasing values when the instrument is being observed.

public System.Diagnostics.Metrics.ObservableCounter<T> CreateObservableCounter<T> (string name, Func<System.Diagnostics.Metrics.Measurement<T>> observeValue, string? unit = default, string? description = default) where T : struct;

member this.CreateObservableCounter : string * Func<System.Diagnostics.Metrics.Measurement<'T>> * string * string -> System.Diagnostics.Metrics.ObservableCounter<'T (requires 'T : struct)> (requires 'T : struct)

Public Function CreateObservableCounter(Of T As Structure) (name As String, observeValue As Func(Of Measurement(Of T)), Optional unit As String = Nothing, Optional description As String = Nothing) As ObservableCounter(Of T)

Type Parameters

T

The numerical type of the measurement.

Parameters

name

String

The instrument name. Cannot be null.

observeValue

Func<Measurement<T>>

The callback to call to get the measurements when ObservableCounter{T}.Observe() is called by RecordObservableInstruments()

unit

String

Optional instrument unit of measurements.

description

String

Optional instrument description.

Returns

ObservableCounter<T>

A new observable counter.

Remarks

Example uses for ObservableCounter: The number of page faults for each process.

CreateObservableCounter<T>(String, Func<T>, String, String)

Source:

Meter.cs

Creates an ObservableCounter, which is an instrument that reports monotonically increasing values when the instrument is being observed.

public System.Diagnostics.Metrics.ObservableCounter<T> CreateObservableCounter<T> (string name, Func<T> observeValue, string? unit = default, string? description = default) where T : struct;

member this.CreateObservableCounter : string * Func<'T (requires 'T : struct)> * string * string -> System.Diagnostics.Metrics.ObservableCounter<'T (requires 'T : struct)> (requires 'T : struct)

Public Function CreateObservableCounter(Of T As Structure) (name As String, observeValue As Func(Of T), Optional unit As String = Nothing, Optional description As String = Nothing) As ObservableCounter(Of T)

Type Parameters

T

The numerical type of the measurement..

Parameters

name

String

The instrument name. Cannot be null.

observeValue

Func<T>

The callback to call to get the measurements when ObservableCounter{T}.Observe() is called by RecordObservableInstruments().

unit

String

Optional instrument unit of measurements.

description

String

Optional instrument description.

Returns

ObservableCounter<T>

A new observable counter.

Remarks

Example uses for ObservableCounter: The number of page faults for each process.

CreateObservableCounter<T>(String, Func<IEnumerable<Measurement<T>>>, String, String, IEnumerable<KeyValuePair<String,Object>>)

Source:

Meter.cs

Creates an ObservableCounter instance, which is an Instrument that reports monotonically increasing value(s) when the instrument is being observed.

public:
generic <typename T>
 where T : value class System::Diagnostics::Metrics::ObservableCounter<T> ^ CreateObservableCounter(System::String ^ name, Func<System::Collections::Generic::IEnumerable<System::Diagnostics::Metrics::Measurement<T>> ^> ^ observeValues, System::String ^ unit, System::String ^ description, System::Collections::Generic::IEnumerable<System::Collections::Generic::KeyValuePair<System::String ^, System::Object ^>> ^ tags);

public System.Diagnostics.Metrics.ObservableCounter<T> CreateObservableCounter<T> (string name, Func<System.Collections.Generic.IEnumerable<System.Diagnostics.Metrics.Measurement<T>>> observeValues, string? unit, string? description, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,object?>>? tags) where T : struct;

member this.CreateObservableCounter : string * Func<seq<System.Diagnostics.Metrics.Measurement<'T>>> * string * string * seq<System.Collections.Generic.KeyValuePair<string, obj>> -> System.Diagnostics.Metrics.ObservableCounter<'T (requires 'T : struct)> (requires 'T : struct)

Public Function CreateObservableCounter(Of T As Structure) (name As String, observeValues As Func(Of IEnumerable(Of Measurement(Of T))), unit As String, description As String, tags As IEnumerable(Of KeyValuePair(Of String, Object))) As ObservableCounter(Of T)

Type Parameters

T

The numerical type of the measurement.

Parameters

name

String

The instrument name. It cannot be null.

observeValues

Func<IEnumerable<Measurement<T>>>

The callback to call to get the measurements when the Observe() is called by RecordObservableInstruments().

unit

String

An optional instrument unit of measurements.

description

String

An optional instrument description.

tags

IEnumerable<KeyValuePair<String,Object>>

The tags to attach to the counter.

Returns

ObservableCounter<T>

A new observable counter.

Remarks

Example uses for ObservableCounter: The number of page faults for each process.

CreateObservableCounter<T>(String, Func<Measurement<T>>, String, String, IEnumerable<KeyValuePair<String,Object>>)

Source:

Meter.cs

Creates an ObservableCounter instance, which is an Instrument that reports monotonically increasing value(s) when the instrument is being observed.

public:
generic <typename T>
 where T : value class System::Diagnostics::Metrics::ObservableCounter<T> ^ CreateObservableCounter(System::String ^ name, Func<System::Diagnostics::Metrics::Measurement<T>> ^ observeValue, System::String ^ unit, System::String ^ description, System::Collections::Generic::IEnumerable<System::Collections::Generic::KeyValuePair<System::String ^, System::Object ^>> ^ tags);

public System.Diagnostics.Metrics.ObservableCounter<T> CreateObservableCounter<T> (string name, Func<System.Diagnostics.Metrics.Measurement<T>> observeValue, string? unit, string? description, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,object?>>? tags) where T : struct;

member this.CreateObservableCounter : string * Func<System.Diagnostics.Metrics.Measurement<'T>> * string * string * seq<System.Collections.Generic.KeyValuePair<string, obj>> -> System.Diagnostics.Metrics.ObservableCounter<'T (requires 'T : struct)> (requires 'T : struct)

Public Function CreateObservableCounter(Of T As Structure) (name As String, observeValue As Func(Of Measurement(Of T)), unit As String, description As String, tags As IEnumerable(Of KeyValuePair(Of String, Object))) As ObservableCounter(Of T)

Type Parameters

T

The numerical type of the measurement.

Parameters

name

String

The instrument name. It cannot be null.

observeValue

Func<Measurement<T>>

The callback to call to get the measurements when the Observe() is called by RecordObservableInstruments()

unit

String

An optional instrument unit of measurements.

description

String

An optional instrument description.

tags

IEnumerable<KeyValuePair<String,Object>>

The tags to attach to the counter.

Returns

ObservableCounter<T>

A new observable counter.

Remarks

Example uses for ObservableCounter: The number of page faults for each process.

CreateObservableCounter<T>(String, Func<T>, String, String, IEnumerable<KeyValuePair<String,Object>>)

Source:

Meter.cs

Creates an ObservableCounter instance, which is an Instrument that reports monotonically increasing value(s) when the instrument is being observed.

public:
generic <typename T>
 where T : value class System::Diagnostics::Metrics::ObservableCounter<T> ^ CreateObservableCounter(System::String ^ name, Func<T> ^ observeValue, System::String ^ unit, System::String ^ description, System::Collections::Generic::IEnumerable<System::Collections::Generic::KeyValuePair<System::String ^, System::Object ^>> ^ tags);

public System.Diagnostics.Metrics.ObservableCounter<T> CreateObservableCounter<T> (string name, Func<T> observeValue, string? unit, string? description, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,object?>>? tags) where T : struct;

member this.CreateObservableCounter : string * Func<'T (requires 'T : struct)> * string * string * seq<System.Collections.Generic.KeyValuePair<string, obj>> -> System.Diagnostics.Metrics.ObservableCounter<'T (requires 'T : struct)> (requires 'T : struct)

Public Function CreateObservableCounter(Of T As Structure) (name As String, observeValue As Func(Of T), unit As String, description As String, tags As IEnumerable(Of KeyValuePair(Of String, Object))) As ObservableCounter(Of T)

Type Parameters

T

The numerical type of the measurement.

Parameters

name

String

The instrument name. It cannot be null.

observeValue

Func<T>

The callback to call to get the measurements when the Observe() is called by RecordObservableInstruments().

unit

String

An optional instrument unit of measurements.

description

String

An optional instrument description.

tags

IEnumerable<KeyValuePair<String,Object>>

The tags to attach to the counter.

Returns

ObservableCounter<T>

A new observable counter.

Remarks

Example uses for ObservableCounter: The number of page faults for each process.