modules/Tracing/public/Start-SdnEtwTraceCapture.ps1
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# Copyright (c) Microsoft Corporation. # Licensed under the MIT License. function Start-SdnEtwTraceCapture { <# .SYNOPSIS Start ETW Trace capture based on Role .PARAMETER Role The SDN Roles .PARAMETER Providers Allowed values are Default,Optional And All to control what are the providers needed #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [SdnRoles]$Role, [Parameter(Mandatory = $true)] [System.IO.FileInfo]$OutputDirectory, [Parameter(Mandatory = $false)] [ValidateSet("Default", "Optional", "All")] [string]$Providers = "Default" ) try { $config = Get-SdnRoleConfiguration -Role $Role # ensure that the appropriate windows feature is installed and ensure module is imported $confirmFeatures = Confirm-RequiredFeaturesInstalled -Name $config.windowsFeature if(!$confirmFeatures){ throw New-Object System.Exception("Required feature is missing") } $confirmModules = Confirm-RequiredModulesLoaded -Name $config.requiredModules if(!$confirmModules){ throw New-Object System.Exception("Required module is not loaded") } # create the OutputDirectory if does not already exist if(!(Test-Path -Path $OutputDirectory.FullName -PathType Container)){ $null = New-Item -Path $OutputDirectory.FullName -ItemType Directory -Force } $traceProvidersArray = Get-TraceProviders -Role $Role -Providers $Providers foreach ($traceProviders in $traceProvidersArray) { "Starting trace session {0}" -f $traceProviders.name | Trace-Output -Level:Verbose Start-EtwTraceSession -TraceName $traceProviders.name -TraceProviders $traceProviders.providers -TraceFile "$OutputDirectory\$($traceProviders.name).etl" -MaxTraceSize 1024 } } catch { "{0}`n{1}" -f $_.Exception, $_.ScriptStackTrace | Trace-Output -Level:Error } } |