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March 3, 2017 04:20
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,61 @@ $script:perfstack = @() $fullperfnames = $false function measure-function([string] $__name, [scriptblock] $__command) { $__result = $null $__cmd = { $__result = Invoke-Command $__command } if ($script:perfstack -eq $null) { $script:perfstack = @() } $__isrecursion = $__name -in $script:perfstack $script:perfstack += "$__name" try { $__r = Measure-Command $__cmd if ($global:perfcounters -eq $null) { $global:perfcounters = @{} } if ($fullperfnames) { $__key = [string]::Join(">",$script:perfstack) } else { $__key = $__name } if ($global:perfcounters.ContainsKey($__key)) { if (!$__isrecursion) { $global:perfcounters[$__key].elapsed += $__r } $global:perfcounters[$__key].count++ } else { $__props = [ordered]@{ name = "$__key"; elapsed = $__r; count = 1 } $global:perfcounters[$__key] = new-object -type "pscustomobject" -property $__props } if ($__result -ne $null) { return $__result } } finally { $script:perfstack = $script:perfstack | select -First ($script:perfstack.Length - 1) } } <# # Usage: # When you want to measure your functon "Get-Something" function Get-Something { # i'm doing some heavy loading here return $something } # Add Measure-Function like this: function Get-Something { Measure-function "$($MyInvocation.MyCommand.Name)" { # i'm doing some heavy loading here return $something } } # then check results in $global:perfcounters hashtable $global:perfcounters | format-table -AutoSize -Wrap | out-string | write-host #>