Functions/Get-PerformanceCounter.ps1
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# Copyright 2012 Aaron Jensen # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. function Get-PerformanceCounter { <# .SYNOPSIS Gets the performance counters for a category. .DESCRIPTION Returns `PerformanceCounterCategory` objects for the given category name. If not counters exist for the category exits, an empty array is returned. .OUTPUTS System.Diagnostics.PerformanceCounterCategory. .EXAMPLE Get-PerformanceCounter -CategoryName Processor Gets all the `Processor` performance counters. #> [CmdletBinding()] param( [Parameter(Mandatory=$true)] [string] # The category's name whose performance counters will be returned. $CategoryName ) Set-StrictMode -Version 'Latest' Use-CallerPreference -Cmdlet $PSCmdlet -Session $ExecutionContext.SessionState if( (Test-PerformanceCounterCategory -CategoryName $CategoryName) ) { $category = New-Object Diagnostics.PerformanceCounterCategory $CategoryName return $category.GetCounters("") } } Set-Alias -Name 'Get-PerformanceCounters' -Value 'Get-PerformanceCounter' |