From 0c5ab47942683e87ddc0997636f427d8bd9eb3ef Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Wed, 2 Jan 2019 13:41:48 -0500
Subject: [PATCH] Avoid boxing allocation and object[] allocation in
 BuildTraceFileName (#21752)

---
 .../src/System/Diagnostics/Eventing/EventPipeController.cs              | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/System.Private.CoreLib/src/System/Diagnostics/Eventing/EventPipeController.cs b/src/System.Private.CoreLib/src/System/Diagnostics/Eventing/EventPipeController.cs
index d7a562f..aeaac8b 100644
--- a/src/System.Private.CoreLib/src/System/Diagnostics/Eventing/EventPipeController.cs
+++ b/src/System.Private.CoreLib/src/System/Diagnostics/Eventing/EventPipeController.cs
@@ -290,7 +290,7 @@ namespace System.Diagnostics.Tracing
 
         private static string BuildTraceFileName()
         {
-            return GetAppName() + "." + Win32Native.GetCurrentProcessId() + NetPerfFileExtension;
+            return GetAppName() + "." + Win32Native.GetCurrentProcessId().ToString() + NetPerfFileExtension;
         }
 
         private static string GetAppName()
-- 
2.7.4