Early Preview
This is currently very much a preview. Please feel free to try things out,
but don't be upset if anything is not yet working. Feedback is welcome over on our
GitHub Dicussions page.
class System.Diagnostics.Metrics.UpDownCounter<T>
Assembly: System.Diagnostics.DiagnosticSource
Inheritance: object → Instrument → Instrument<T> → UpDownCounter
An instrument that supports reporting positive or negative metric values. UpDownCounter may be used in scenarios like reporting the change in active requests or queue size.
Properties
public
InstrumentAdvice<T>
Advice
public
string
Description
Gets the instrument description.
public
bool
Enabled
Gets a value that indicates if there are any listeners for this instrument.
public
bool
IsObservable
Gets a value that indicates whether the instrument is an observable instrument.
public
Meter
Meter
Gets the Meter that created the instrument.
public
string
Name
Gets the instrument name.
public
string
Unit
Gets the instrument unit of measurements.
public
Collections.Generic.IEnumerable<Collections.Generic.KeyValuePair<string, object>>
Tags
Returns the tags associated with the instrument.
Methods
public
void
Add(T delta)
Records the delta value of the measurement. The delta can be positive, negative, or zero.
delta
The amount to be added, which can be positive, negative, or zero.
public
void
Add(T delta,
Collections.Generic.KeyValuePair<string, object> tag)
Records the delta value of the measurement. The delta can be positive, negative, or zero.
delta
The amount to be added, which can be positive, negative, or zero.
tag
A key-value pair tag associated with the measurement.
public
void
Add(T delta,
Collections.Generic.KeyValuePair<string, object> tag1,
Collections.Generic.KeyValuePair<string, object> tag2)
Records the delta value of the measurement. The delta can be positive, negative, or zero.
delta
The amount to be added, which can be positive, negative, or zero.
tag1
A first key-value pair tag associated with the measurement.
tag2
A second key-value pair tag associated with the measurement.
public
void
Add(T delta,
Collections.Generic.KeyValuePair<string, object> tag1,
Collections.Generic.KeyValuePair<string, object> tag2,
Collections.Generic.KeyValuePair<string, object> tag3)
Records the delta value of the measurement. The delta can be positive, negative, or zero.
delta
The amount to be added, which can be positive, negative, or zero.
tag1
A first key-value pair tag associated with the measurement.
tag2
A second key-value pair tag associated with the measurement.
tag3
A third key-value pair tag associated with the measurement.
public
void
Add(T delta,
ReadOnlySpan<Collections.Generic.KeyValuePair<string, object>> tags)
Records the delta value of the measurement. The delta can be positive, negative, or zero.
delta
The amount to be added, which can be positive, negative, or zero.
tags
A span of key-value pair tags associated with the measurement.
public
void
Add(T delta,
Collections.Generic.KeyValuePair[] tags)
Records the delta value of the measurement. The delta can be positive, negative, or zero.
delta
The amount to be added, which can be positive, negative, or zero.
tags
A list of key-value pair tags associated with the measurement.
protected
void
RecordMeasurement(T measurement,
Collections.Generic.KeyValuePair<string, object> tag)
Inherited from Instrument<T>
protected
void
RecordMeasurement(T measurement,
Collections.Generic.KeyValuePair<string, object> tag1,
Collections.Generic.KeyValuePair<string, object> tag2)
Inherited from Instrument<T>
protected
void
RecordMeasurement(T measurement,
Collections.Generic.KeyValuePair<string, object> tag1,
Collections.Generic.KeyValuePair<string, object> tag2,
Collections.Generic.KeyValuePair<string, object> tag3)
Inherited from Instrument<T>
protected
void
RecordMeasurement(T measurement,
ReadOnlySpan<Collections.Generic.KeyValuePair<string, object>> tags)
Inherited from Instrument<T>
protected
void
Publish()
Inherited from Instrument
Activates the instrument to start recording measurements and to allow listeners to start listening to such measurements.
public
bool
Equals(object obj)
Inherited from object
protected
void
Finalize()
Inherited from object
public
int
GetHashCode()
Inherited from object
protected
object
MemberwiseClone()
Inherited from object
public
string
ToString()
Inherited from object