Sub Main
' Setup initial configuration
SetLocale("en-us")
InitializeCommon(1000)
Dim errorNum
errorNum = 0
' Check Arguments
Dim oArgs
Set oArgs = WScript.Arguments
If oArgs.Count < 3 Then
ThrowScriptError "Invalid parameters passed to " & GetScriptName & ".", Null
End If
' Create PropertyBag object
Dim oAPI, oPropertyBag
Set oAPI = MOMCreateObject("MOM.ScriptAPI")
Set oPropertyBag = oAPI.CreatePropertyBag()
' Set the retry attempts for Wmi and other counters
Dim loopCounter, counter, retryAttempts, dataCount
retryAttempts = 3
dataCount = 0
' Get WMI object
Dim oWMIService, finalPercentProcessorTime
finalPercentProcessorTime = 0
On Error Resume Next
Set oWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & ComputerIdentity & "\root\cimv2")
errorNum = Err.Number
On Error Goto 0
If (errorNum = 0) Then
' Get the number of cores in the system
Dim oProcessor, oProcessorList, procCount
procCount = 0
On Error Resume Next
For counter = 1 to retryAttempts
Set oProcessorList = oWMIService.ExecQuery("SELECT NumberOfCores FROM Win32_Processor")
If (IsListEmpty(oProcessorList) = False) Then
Exit For
End If
Next
If (IsListEmpty(oProcessorList) = False) Then
For Each oProcessor in oProcessorList
procCount = procCount + oProcessor.NumberOfCores
Next
End If
On Error Goto 0
If procCount < 1 Then
procCount = 1
End If
' Set the variables for detailed analysis
Dim min, max, sampleCount, totalCount, procTime
min = 32767
max = 0
sampleCount = 0
totalCount = 0
procTime = 0
' Get the total processor time count ProcessIterationCount number of times, to get the average
For loopCounter = 1 to ProcessIterationCount
Dim agentProcIDs
agentProcIDs = "|"
' Step 1: Get all SCOM Processes
Dim oProcess, oProcessList
' Execute the query multiple times in case of failure
For counter = 1 to retryAttempts
Set oProcessList = oWMIService.ExecQuery("SELECT ProcessId, ParentProcessId, Name FROM Win32_Process")
If (IsListEmpty(oProcessList) = False) Then
Exit For
End If
Next
If (IsListEmpty(oProcessList) = False) Then
' Step 2: Get the Health Service and Monitoring Host objects
For Each oProcess in oProcessList
If IsObjectUnallocated(oProcess) = False Then
If ((InStr(oProcess.Name, "HealthService") > 0) OR (InStr(oProcess.Name, "MonitoringHost") > 0)) AND InStr(agentProcIDs, "|" & oProcess.ProcessId & "|") = 0 Then
agentProcIDs = agentProcIDs & oProcess.ProcessId & "|"
End If
End If
Next
'Step 3: Get all the child processes
Dim childFound
childFound = True
' While a new child is found, re-iterate the list to find its child
Do While childFound = True
childFound = False
For Each oProcess in oProcessList
If IsObjectUnallocated(oProcess) = False Then
' If parent process is in the agentProcIDs list but the process itself is not, its a new child
If (InStr(agentProcIDs, "|" & oProcess.ParentProcessId & "|") > 0) AND (InStr(agentProcIDs, "|" & oProcess.ProcessId & "|") = 0) Then
agentProcIDs = agentProcIDs & oProcess.ProcessId & "|"
childFound = True
End If
End If
Next
Loop
'Step 4: Get the total cpu percentage used for all the SCOM processes
Dim objRefresher, objRefreshableItem, totalPercentProcessorTime
Set objRefresher = CreateObject("WbemScripting.SWbemRefresher")
Set objRefreshableItem = objRefresher.AddEnum(oWMIService , "Win32_PerfFormattedData_PerfProc_Process")
totalPercentProcessorTime = 0
' Refresh to get accurate data
objRefresher.Refresh
' Iterate each process to add the percent processor time to the total
For Each oProcess in objRefreshableItem.ObjectSet
If InStr(agentProcIDs, "|" & oProcess.IDProcess & "|") > 0 then
totalPercentProcessorTime = totalPercentProcessorTime + CDbl(oProcess.PercentProcessorTime)
If (RunAsDiagnostic = True) Then
procTime = CDbl(CDbl(oProcess.PercentProcessorTime)/procCount)
sampleCount = sampleCount + 1
totalCount = totalCount + procTime
' Check for min value
If procTime < min Then
min = procTime
End If
' Check for max value
If procTime > max Then
max = procTime
End If
End If
End If
Next
' Delete the refresher object
objRefresher.DeleteAll
' Add the total percentage time to the final percentage time for averaging in the end
If totalPercentProcessorTime > 0 Then
finalPercentProcessorTime = finalPercentProcessorTime + totalPercentProcessorTime
dataCount = dataCount + 1
End If
End If
' Delaying each iteration by 3 seconds
WScript.Sleep 3000
Next
' Add the detailed analysis to the property bag
If (RunAsDiagnostic = True) Then
oPropertyBag.AddValue "SamplesTaken", ProcessIterationCount
oPropertyBag.AddValue "Average", CDbl(totalCount/sampleCount)
oPropertyBag.AddValue "Maximum", max
oPropertyBag.AddValue "Minimum", min
End If
' Calculate the final percentage processor time for all the SCOM processes
If dataCount < 1 Then
dataCount = 1
End If
finalPercentProcessorTime = (finalPercentProcessorTime / dataCount) / procCount
End If
If (RunAsDiagnostic = False) Then
oPropertyBag.AddValue "SCOMpercentageCPUTime", finalPercentProcessorTime
End If
Call oAPI.Return(oPropertyBag)
End Sub
'Copyright (c) Microsoft Corporation. All rights reserved.
' Library Initializer
Sub InitializeCommon(iScriptEventID)
'set the script event id
SCRIPT_EVENT_ID = iScriptEventID
End Sub
' Check the list for null or empty
Function IsListEmpty(ByVal oList)
IsListEmpty = (IsNull(oList) = True) OR (oList.Count < 1)
End Function
' Check object for null, empty or nothing
Function IsObjectUnallocated(ByVal obj)
IsObjectUnallocated = IsNull(obj) OR IsEmpty(obj) OR (TypeName(obj) = "Nothing")
End Function
' Gets the length of an array
Function GetArrayLength(ByRef array)
GetArrayLength = UBound(array) + 1
End Function
' Get the Host Computer name
Function GetHostComputerName
Dim oNetwork
Set oNetwork = MOMCreateObject("WScript.Network")
GetHostComputerName = oNetwork.ComputerName
End Function
' Get the WMI object
Function GetWMIObject(ByVal namespace)
Dim oWMI
'get the object
On Error Resume Next
Set oWMI = GetObject(namespace)
If Err.Number <> 0 Or IsEmpty(oWMI) Then
ThrowScriptError "Unable to open WMI Namespace '" & namespace & "'. Check to see if the WMI service is enabled and running, and ensure this WMI namespace exists.", Err
End If
On Error Goto 0
Set GetWMIObject = oWMI
End Function
' Get Registry object
Function GetRegistryObject(ByVal computerName)
Set GetRegistryObject = GetWMIObject("winmgmts:\\" & computerName & "\root\default:StdRegProv")
End Function
' Creates an event and sends it back to the mom server without stopping the script.
Function ThrowScriptErrorNoAbort(ByVal message, ByVal oErr)
' Retrieve the name of this (running) script
Dim scriptFileName
scriptFileName = GetScriptName
If Not IsNull(oErr) Then
message = message & " Cause: " & oErr.Description
end if
On Error Resume Next
Dim oAPITemp
Set oAPITemp = CreateObject("MOM.ScriptAPI")
If Err.Number = 0 Then
oAPITemp.LogScriptEvent scriptFileName, SCRIPT_EVENT_ID, SCOM_ERROR, message
End If
On Error Goto 0
End Function
' Creates an error event, sends it back to the mom server, and stops the script.
Function ThrowScriptError(Byval message, ByVal oErr)
On Error Resume Next
ThrowScriptErrorNoAbort message, oErr
WScript.Quit
End Function
' Gets the script name
Function GetScriptName
Dim oFSO
Set oFSO = MOMCreateObject("Scripting.FileSystemObject")
GetScriptName = oFSO.GetFile(WScript.ScriptFullName).Name
set oFSO = nothing
End Function
' Creates an object
Function MOMCreateObject(ByVal name)
'create the object
On Error Resume Next
Set MOMCreateObject = CreateObject(name)
If Err.Number <> 0 Then
ThrowScriptError "Unable to create COM object '" & name & "'", Null
End If
On Error Goto 0
End Function
' Log the message
Sub Log(message, severity)
Dim oTempAPI, scriptName
'get script name
scriptName = GetScriptName
'create a temp mom api object
'(avoids having to pass the object every time or using a global)
Set oTempAPI = MOMCreateObject("MOM.ScriptAPI")
'log event
On Error Resume Next
Call oTempAPI.LogScriptEvent(scriptName, SCRIPT_EVENT_ID, severity, message)
On Error Goto 0
End Sub
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