PerformanceCounterTarget updates specified Windows Performance Counter on each write.

Platforms Supported: Limited - Windows only and requires nuget-package NLog.PerformanceCounter with NLog 5.0

<targets>
  <target xsi:type="PerfCounter"
          counterName="String"
          categoryName="String"
          instanceName="String"
          counterHelp="String"
          counterType="Enum"
          autoCreate="Boolean"
          incrementValue="Layout"
           />
</targets>

The actual Performance Counter can be created by Installing target, or by using autoCreate="true".

Read more about using the Configuration File.

• counterName - Name of the performance counter. Required.

• categoryName - Name of the performance counter category. Required.

• instanceName - Performance counter instance name.

• counterHelp - Counter help text.

• counterType - Performance counter type. Default: NumberOfItems32
  Possible values:

  • AverageBase
  • AverageCount64
  • AverageTimer32
  • CounterDelta32
  • CounterDelta64
  • CounterMultiBase
  • CounterMultiTimer
  • CounterMultiTimer100Ns
  • CounterMultiTimer100NsInverse
  • CounterMultiTimerInverse
  • CounterTimer
  • CounterTimerInverse
  • CountPerTimeInterval32
  • CountPerTimeInterval64
  • ElapsedTime
  • NumberOfItems32
  • NumberOfItems64
  • NumberOfItemsHEX32
  • NumberOfItemsHEX64
  • RateOfCountsPerSecond32
  • RateOfCountsPerSecond64
  • RawBase
  • RawFraction
  • SampleBase
  • SampleCounter
  • SampleFraction
  • Timer100Ns
  • Timer100NsInverse

• autoCreate - Indicates whether performance counter should be automatically created. Default: false.

• incrementValue - The value by which to increment the counter. Layout. Default: 1.

  Introduced in NLog v4.2

Alternative one can use NLog.ETW for writing to ETW EventCounter using EtwEventCounter-Target.