This is an example of Windows Search Service. There was a requirement to get status and cpu / memory usage of some specific windows servers. This logic applies for all programming language which supports WMI queries P2 indicated PercentProcessorTime retrieved for the second time, and p1 indicateds the PercentProcessorTime retrieved for the first time, t2 and t1 is for TimeStamp_Sys100NS.Ī sample Perl code for this can be found in the link
Apply CPU% utilization formula CPU%= ((p2-p1)/(t2-t1)*100)/NumberOfLogicalProcessors
To retrieve the values of PercentProcessorTime, TimeStamp_Sys100NS ( CPU utilization formula has be applied get the actual utilization percentage)and WorkingSetPrivate ( RAM ) minimum of 2 times with a sleep interval of 1 second select * from Win32_PerfRawData_PerfProc_Process where IDProcess=1234ģ. To retrieve the total number of logical process select NumberOfLogicalProcessors from Win32_ComputerSystemĢ.
We need to execute 2 WMI Select Queries and apply CPU% utilization formulaġ. You can also try using a C#/Perl/Java script get the utilization data using WMI Commands, and below is the steps for it.
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