DumpAllWindowsPerformanceCounters

DumpAllWindowsPerformanceCounters.ps1

Connect-AzAccount
$allPerfCounters = @()

$subscriptions = Get-AzSubscription
foreach ($subscription in $subscriptions) {
  $subscription | Set-AzContext

  $workspaces = Get-AzOperationalInsightsWorkspace

  foreach ($workspace in $workspaces) {

    $perfCounters = Get-AzOperationalInsightsDataSource -Kind WindowsPerformanceCounter -Workspace $workspace

    foreach ($counter in $perfCounters) {
      $allPerfCounters += [pscustomobject]@{
        Subscription  = $subscription.Name
        ResourceGroup = $counter.ResourceGroupName
        Workspace     = $counter.WorkspaceName
        ObjectName    = $counter.Properties.ObjectName
        InstanceName  = $counter.Properties.InstanceName
        CounterName   = $counter.Properties.CounterName
        Interval      = $counter.Properties.IntervalSeconds
      }
    }
  }
}
$allPerfCounters | ft