| Microsoft Corporation, Microsoft Platform SDK, http://www.microsoft.com/msdownload/platformsdk/s dkupdate/, 2002. |
.... or at the command line and have several options for logging (to console, file, or streaming) We have created applications based on the WatchTower library, including a service that logs to a local disk and a command line implementation for RPS [4] The WatchTower library code had many influences [10][19] 20] and has been used in functioning applications for the past year. 2.1 Performance Monitoring in Windows Windows NT and 2000 contain a measurement infrastructure that is made visible to applications by means of performance counters that together reflect the current state of the system. ....
....node or a computer with many hard drives. Performance counters are stored and updated in the Windows registry and can be accessed by a registry API. Working directly with the registry is complex, however, so Microsoft provides a more abstract API called the Performance Data Helper (PDH) [10]. This higher level API handles the accessing of the counters in the registry and converting their raw values into numbers with appropriate units and scale. PDH is the basis for both Perfmon (discussed in the next section) and WatchTower. Figure 1 shows an overview of how these parts interact. ....
Microsoft Corporation, Microsoft Platform SDK, http://www.microsoft.com/msdownload/platformsdk/s dkupdate/, 2002.
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