Get-PerformanceCounterNameByID - CSV schreiben und nach 10 Stunden per Mail versenden

Function Get-PerformanceCounterNameByID {
  param([UInt32]$id)
  $buff = New-Object System.Text.StringBuilder(1024)
  [UInt32]$bSize = $buff.Capacity
  Add-Type -MemberDefinition '[DllImport("pdh.dll", SetLastError=true, CharSet=CharSet.Unicode)] public static extern UInt32 PdhLookupPerfNameByIndex(string szMachineName, uint dwNameIndex, System.Text.StringBuilder szNameBuffer, ref uint pcchNameBufferSize);' -Name PerfCounter -Namespace Util  
  $result = [Util.PerfCounter]::PdhLookupPerfNameByIndex($env:COMPUTERNAME, $id, $buff, [Ref]$bSize)
  if ($result -eq 0){
    $buff.ToString().Substring(0, $bSize-1)
  }else{
    Throw 'Get-PerformanceCounterNameById : Konnte lokalisierten Namen nicht finden. Überprüfen sie die übergebene ID.'  
  }
}


function sendmail($body)
{
    $SmtpClient = new-object system.net.mail.smtpClient
    $MailMessage = New-Object system.net.mail.mailmessage
    $SmtpClient.Host = "xxxxxxxi"  
    $mailmessage.from = "xxx"  
    $mailmessage.To.add("xxxxxx")  
    $mailmessage.Subject = "CPU Werte"  
    $MailMessage.IsBodyHtml = $true
    $mailmessage.Body = $body
    $smtpclient.Send($mailmessage)
}



function Get-PerformanceCounterIdByName {
    param([Parameter(Mandatory=$true)][string]$Name)
    $counters = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Perflib\CurrentLanguage' -Name Counter).Counter  
    $index = [array]::IndexOf($counters,$Name)
    if ($index -ne -1){
        return $counters[($index-1)]
    }else{
        throw 'Get-PerformanceCounterIdByName: ID für diesen Namen wurde nicht gefunden'  
    }
}

$root = Get-PerformanceCounterIdByName -Name 'Prozess'  
$sub = Get-PerformanceCounterIdByName -Name 'Prozessorzeit (%)'  

$counter = "\$(Get-PerformanceCounterNameById $root)(*)\$(Get-PerformanceCounterNameByID $sub)"  

Get-Counter -Counter $counter -EA Ignore | select  -Expand CounterSamples |  sort CookedValue -Desc | select -first 10 | ft InstanceName,@{n='CPU';e={($_.Cookedvalue/100).toString('P')}} -AutoSize