Best way to performance monitor for Web services

I would like to monitor web services. I would like to see which methods got called the most and number of bytes sent from a web services. The service is hosted on IIS 7. are there any performance counters for that? our servic开发者_StackOverflow社区es are WCF based web services.

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An easy option is to use Appabric Monitoring. You will have a complete dashboard including calls ratio and duration.

You can also use WCF built-in performance counters such as Operation counters. See here