function Get-PerfCounterDesc{
 [cmdletbinding()]
 param(
  [switch]$show
 )

 $Categories = [System.Diagnostics.PerformanceCounterCategory]::GetCategories()
 $SingleInstanceCategories = $Categories | Where-Object {$_.CategoryType -eq "SingleInstance"} 
 $MultiInstanceCategories = $Categories| Where-Object {$_.CategoryType -eq "MultiInstance"}

 $SingleInstanceCounters = $SingleInstanceCategories | ForEach-Object {
  (new-object System.Diagnostics.PerformanceCounterCategory($_.CategoryName)).GetCounters() 
 }
 $MultiInstanceCounters = $MultiInstanceCategories | ForEach-Object {
  $category=new-object System.Diagnostics.PerformanceCounterCategory($_.CategoryName)
  if($category.InstanceExists('_Total')){
   $category.GetCounters('_Total') 
  }elseif($category.InstanceExists('Total')){
   $category.GetCounters('Total')
  }else{
   $instanceNames=$category.GetInstanceNames()
   if($instanceNames.count -gt 0){
    $category.GetCounters($instanceNames[0])
   }
  }
 }

 $AllCounters = $MultiInstanceCounters + $SingleInstanceCounters 
 $key="HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Perflib\009"

 $counters=Get-ItemPropertyValue -Path $key -Name "counter"
 $Dict=@{}

 for ($i=0;$i -lt $counters.count;$i=$i+2){
  if($counters[$i+1] -and -not $Dict.ContainsKey($counters[$i+1])){
   $Dict.add($counters[$i+1],$counters[$i])
  }
 }
 Write-Debug $dict.keys.count
 $result=$AllCounters | Sort-Object Categoryname,Countername|
   Select-Object CategoryName,
   Countername,
   @{n="zabbixPerfCounter";e={'perf_counter["\{0}({{#ReplaceThis}})\{1}"]' -f $dict[$_.CategoryName],$dict[$_.Countername]}},
   @{n="categoryNum";e={$Dict[$_.CategoryName]}},
   @{n="CounterNum";e={$Dict[$_.Countername]}},
   CategoryHelp,
   CounterHelp

 if($show){
  $result|Out-GridView
 }else{
  $result
 }
}