functions/Get-DbaPfAvailableCounter.ps1
function Get-DbaPfAvailableCounter { <# .SYNOPSIS Gathers list of all available counters on local or remote machines. .DESCRIPTION Gathers list of all available counters on local or remote machines. Note, if you pass a credential object, it will be included in the output for easy reuse in your next piped command. Thanks to Daniel Streefkerk for this super fast way of counters https://daniel.streefkerkonline.com/2016/02/18/use-powershell-to-list-all-windows-performance-counters-and-their-numeric-ids .PARAMETER ComputerName The target computer. Defaults to localhost. .PARAMETER Credential Allows you to login to servers using alternative credentials. To use: $scred = Get-Credential, then pass $scred object to the -Credential parameter. .PARAMETER Pattern Specify a pattern for filtering. .PARAMETER EnableException By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message. This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting. Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch. .NOTES Tags: Performance, DataCollector, PerfCounter Author: Chrissy LeMaire (@cl), netnerds.net Website: https://dbatools.io Copyright: (c) 2018 by dbatools, licensed under MIT License: MIT https://opensource.org/licenses/MIT .LINK https://dbatools.io/Get-DbaPfAvailableCounter .EXAMPLE PS C:\> Get-DbaPfAvailableCounter Gets all available counters on the local machine. .EXAMPLE PS C:\> Get-DbaPfAvailableCounter -Pattern *sql* Gets all counters matching sql on the local machine. .EXAMPLE PS C:\> Get-DbaPfAvailableCounter -ComputerName sql2017 -Pattern *sql* Gets all counters matching sql on the remote server sql2017. .EXAMPLE PS C:\> Get-DbaPfAvailableCounter -Pattern *sql* Gets all counters matching sql on the local machine. .EXAMPLE PS C:\> Get-DbaPfAvailableCounter -Pattern *sql* | Add-DbaPfDataCollectorCounter -CollectorSet 'Test Collector Set' -Collector DataCollector01 Adds all counters matching "sql" to the DataCollector01 within the 'Test Collector Set' CollectorSet. #> [CmdletBinding()] param ( [DbaInstance[]]$ComputerName = $env:ComputerName, [PSCredential]$Credential, [string]$Pattern, [switch]$EnableException ) begin { $scriptBlock = { $counters = Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Perflib\009' -Name 'counter' | Select-Object -ExpandProperty Counter | Where-Object { $_ -notmatch '[0-90000]' } | Sort-Object | Get-Unique foreach ($counter in $counters) { [pscustomobject]@{ ComputerName = $env:COMPUTERNAME Name = $counter Credential = $args } } } # In case people really want a "like" search, which is slower $Pattern = $Pattern.Replace("*", ".*").Replace("..*", ".*") } process { foreach ($computer in $ComputerName) { try { if ($pattern) { Invoke-Command2 -ComputerName $computer -Credential $Credential -ScriptBlock $scriptBlock -ArgumentList $credential -ErrorAction Stop | Where-Object Name -match $pattern | Select-DefaultView -ExcludeProperty Credential } else { Invoke-Command2 -ComputerName $computer -Credential $Credential -ScriptBlock $scriptBlock -ArgumentList $credential -ErrorAction Stop | Select-DefaultView -ExcludeProperty Credential } } catch { Stop-Function -Message "Failure" -ErrorRecord $_ -Target $computer -Continue } } } } # SIG # Begin signature block # MIIZewYJKoZIhvcNAQcCoIIZbDCCGWgCAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUFJzeJB7tWHbmXNqMtXOErUSE # yAWgghSJMIIE/jCCA+agAwIBAgIQDUJK4L46iP9gQCHOFADw3TANBgkqhkiG9w0B # 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