Provides a variant of EventCounter for variables that are ever-increasing, such as the number of exceptions in the runtime.
public ref class IncrementingPollingCounter : System::Diagnostics::Tracing::DiagnosticCounter[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public class IncrementingPollingCounter : System.Diagnostics.Tracing.DiagnosticCounterpublic class IncrementingPollingCounter : System.Diagnostics.Tracing.DiagnosticCounter[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
type IncrementingPollingCounter = class
inherit DiagnosticCountertype IncrementingPollingCounter = class
inherit DiagnosticCounterPublic Class IncrementingPollingCounter
Inherits DiagnosticCounterIncrementingPollingCounter objects live as long as the EventSource that they are attached to unless they are explicitly disposed.
totalValueProvider is a method used for polling the values at the interval specified by the listener. This method is expected to return an incrementing float value; otherwise, an increment of a negative value may be reported.
IncrementingPollingCounter does not calculate statistics like mean and standard deviation because it only accumulates the counter value. Unlike IncrementingEventCounter, this takes in a polling callback that it can call to update its own metric periodically.
For an example that uses IncrementingPollingCounter inside the runtime as for runtime performance counters, see the CoreCLR source for RuntimeEventSource on GitHub.
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