UniInt End User
Windows Performance Counters
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PI BASemAPI
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- Requirements
- Installing and Removing Interface Performance Counters
Windows Performance CountersCounters are used to provide information as to how well an application, service, or driver is performing. Performance counters are supported for interfaces that run as a service as of UniInt 3.3 for Windows and Windows 2000. Developers can define counters for an interface. The total number of interface-specific and UniInt counters cannot exceed 200. This maximum is hard coded. Any counters in excess of 200 will be ignored. RequirementsAs of UniInt 3.5.0, UniInt always tries to enable Windows performance counters when the interface runs as a service as long as the /disablecounters command-line parameter is not specified. The following requirements must be met before counters will work. The pictrdll.dll must be installed in the PIPC\bin directory in order for performance counters to work. The piperfmondll.dll is installed with PI API 1.3.4 and greater in the PIPC\Interfaces\piperfmon_basic directory. Counters are activated only if the interface is running as a Windows service. Counters are not activated if the interface is running interactively. Installing and Removing Interface Performance CountersInterface performance counters are installed automatically by the interface the first time that the interface is started as a Windows service. Since it is possible for other processes to uninstall performance counters for the interface, the interface checks to see if performance counters need to be re-installed every time that the interface is started as a service. Interface performance counters are removed when the interface service is removed with the -remove command-line option. The service can be removed even while the service is running. However, once the service is removed, the performance counters cannot be viewed via the Windows performance monitor unless the interface counters were already being viewed before the service was removed. Interface-specific performance counters are installed in the registry under Download 1.93 Mb. Share with your friends:
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