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PERF_COUNTER_QUEUELEN_TYPE

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

Description

This counter type is designed to monitor the average length of a queue to a resource over time. It shows the difference between the queue lengths observed during the last two sample intervals divided by the duration of the interval.

Generic type

Average.

Formula

(N1 - N0) / (D1 - D0), where the numerator (N) represents the number of items in the queue, and the denominator (D) represents the time elapsed during the last sample interval.

Average

(Nx - N0) / (Dx - D0)

Example

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