functions/Get-MemoryPerformance.ps1
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Function Get-MemoryPerformance { [CmdletBinding(DefaultParameterSetName = "Computername")] [alias("gmemp")] [OutputType("Selected.Microsoft.Management.Infrastructure.CimInstance")] Param( [Parameter( Position = 0, ValueFromPipeline, ValueFromPipelineByPropertyName, ParameterSetName = 'Computername' )] [ValidateNotNullOrEmpty()] [Alias("cn")] [string[]]$Computername = $env:Computername, [Parameter( ParameterSetName = 'Cim', Mandatory, ValueFromPipeline )] [ValidateNotNullOrEmpty()] [Microsoft.Management.Infrastructure.CimSession[]]$CimSession ) Begin { Write-Verbose "[BEGIN ] Starting: $($MyInvocation.MyCommand)" <# Get all memory performance counters. Assuming counters on the client are the same as on the server. Sort by name. #> $all = (Get-Counter -ListSet Memory*).counter | Sort-Object #get a list of class properties. Some of the properties don't #appear to have any values and are different than what you get #with Get-Counter $PerfClass = Get-CimClass -ClassName Win32_PerfFormattedData_PerfOS_Memory $selected = $PerfClass.CimClassProperties | Select-Object -Skip 9 -ExpandProperty Name $selected += @{Name = "DateTime"; Expression = { (Get-Date) } } $selected += @{Name = "ComputerName"; Expression = { $session.ComputerName } } Write-Verbose "[BEGIN ] PSBoundParameters" Write-Verbose ($PSBoundParameters | Out-String) } #begin Process { Write-Verbose "[PROCESS] Using parameter set $($PSCmdlet.ParameterSetName)" if ($PSCmdlet.ParameterSetName -eq 'Computername') { #create a temporary cimsession if using a computername $MyCIMSession = foreach ($item in $Computername) { Try { Write-Verbose "[PROCESS] Creating temporary CIM Session to $item" New-CimSession -ComputerName $item -ErrorAction Stop -OutVariable +tmpSess Write-Verbose "[PROCESS] Added session" } Catch { Write-Error "[$($item.toUpper())] Failed to create temporary CIM Session. $($_.exception.message)" } } #foreach item in computername } #if computername parameter set else { Write-Verbose "[PROCESS] Re-using CimSessions" $MyCimSession = $CimSession } foreach ($session in $MyCIMSession) { Try { Get-CimInstance -ClassName Win32_PerfFormattedData_PerfOS_Memory -CimSession $session | Select-Object -Property $selected } #try Catch { Write-Error "Failed to get performance data from $($session.computername.ToUpper()). $($_.exception.message)" } } #foreach #clean up if ($tmpSess) { Write-Verbose "[PROCESS] Removing temporary sessions" $tmpSess | Remove-CimSession Remove-Variable tmpsess } } #process End { Write-Verbose "[END ] Ending: $($MyInvocation.MyCommand)" } #end } |