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MSDN Library

Operation Performance Counters

Operation performance counters are found under the ServiceModelOperation 4.0.0.0 performance object when viewing with the Performance Monitor (Perfmon.exe). Each operation has an individual instance. That is, if a given contract has 10 operations, 10 operation counter instances are associated with that contract. The object instances are named using the following pattern:

(ServiceName).(ContractName).(OperationName)@(first endpoint listener address)

This counter enables you to measure how the call is being used and how well the operation is performing.

Caution noteCaution

There is a limit on the length of a performance counter instance's name. When a Windows Communication Foundation (WCF) counter instance name exceeds the maximum length, WCF replaces a portion of the instance name with a hash value.

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