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PERF_SAMPLE_COUNTER

Updated: March 28, 2003

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

 

Description

This counter type shows the average number of operations completed in one second. It measures time in units of ticks of the system performance timer. The variable F represents the number of ticks that occur in one second. The value of F is factored into the equation so that the result is displayed in seconds.

Generic type

Average.

Formula

(N1 - N0) / ((D1 - D0) / F), where the numerator (N) represents the number of operations completed, the denominator (D) represents elapsed time in units of ticks of the system performance timer, and the variable F represents the number of ticks that elapse in one second.

Average

(Nx - N0) / ((Dx - D0) / F)

Example

There are no counters of this type installed with the Windows Server 2003 family.

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