From b1a78bc970c75c7329a43dee28b00c86275fe3a8 Mon Sep 17 00:00:00 2001
From: Ladi Prosek <laprosek@microsoft.com>
Date: Mon, 25 Sep 2023 13:32:07 +0200
Subject: [PATCH] More diagnostic output

---
 src/Build.UnitTests/BackEnd/BuildManager_Tests.cs              | 2 ++
 src/Build/BackEnd/BuildManager/BuildManager.cs                 | 2 ++
 .../BackEnd/Components/Communications/NodeEndpointInProc.cs    | 3 +++
 .../BackEnd/Components/Communications/NodeProviderInProc.cs    | 2 ++
 4 files changed, 9 insertions(+)

diff --git a/src/Build.UnitTests/BackEnd/BuildManager_Tests.cs b/src/Build.UnitTests/BackEnd/BuildManager_Tests.cs
index a0f1359db76..034510ea947 100644
--- a/src/Build.UnitTests/BackEnd/BuildManager_Tests.cs
+++ b/src/Build.UnitTests/BackEnd/BuildManager_Tests.cs
@@ -4053,8 +4053,10 @@ public void IdenticalSubmissionsShouldCompleteAndNotHangTheBuildOnMissingTargetE
 $@"<Project InitialTargets=`Sleep`>
 
   <Target Name=`Sleep`>
+    <Message Text='### Before sleep command' Importance='High' />
     <!-- Add a sleep to give the Scheduler time to register both submissions -->
     <Exec Command='{Helpers.GetSleepCommand(TimeSpan.FromSeconds(1))}' />
+    <Message Text='### After sleep command' Importance='High' />
   </Target>
 
   <!-- The nonexistent target will force the TargetBuilder to not include a result for the Build target,
diff --git a/src/Build/BackEnd/BuildManager/BuildManager.cs b/src/Build/BackEnd/BuildManager/BuildManager.cs
index 8cbe9cc1708..51988e06ebd 100644
--- a/src/Build/BackEnd/BuildManager/BuildManager.cs
+++ b/src/Build/BackEnd/BuildManager/BuildManager.cs
@@ -2679,11 +2679,13 @@ private void PerformSchedulingActions(IEnumerable<ScheduleResponse> responses)
                             if (!_nodeIdToKnownConfigurations.TryGetValue(response.NodeId, out HashSet<NGen<int>> configurationsOnNode) ||
                                !configurationsOnNode.Contains(response.BuildRequest.ConfigurationId))
                             {
+                                Console.WriteLine("PerformSchedulingActions -> get config cache");
                                 IConfigCache configCache = _componentFactories.GetComponent(BuildComponentType.ConfigCache) as IConfigCache;
                                 _nodeManager.SendData(response.NodeId, configCache[response.BuildRequest.ConfigurationId]);
                             }
                         }
 
+                        Console.WriteLine("PerformSchedulingActions -> SendData(BuildRequest)");
                         _nodeManager.SendData(response.NodeId, response.BuildRequest);
                         break;
 
diff --git a/src/Build/BackEnd/Components/Communications/NodeEndpointInProc.cs b/src/Build/BackEnd/Components/Communications/NodeEndpointInProc.cs
index 4c7c7fbd385..70ae0149ef9 100644
--- a/src/Build/BackEnd/Components/Communications/NodeEndpointInProc.cs
+++ b/src/Build/BackEnd/Components/Communications/NodeEndpointInProc.cs
@@ -214,10 +214,12 @@ public void SendData(INodePacket packet)
 
             if (_mode == EndpointMode.Synchronous)
             {
+                Console.WriteLine("NodeEndpointInProc.SendData(synchronous)");
                 _peerEndpoint._packetFactory.RoutePacket(0, packet);
             }
             else
             {
+                Console.WriteLine("NodeEndpointInProc.SendData(async)");
                 EnqueuePacket(packet);
             }
         }
@@ -436,6 +438,7 @@ private void PacketPumpProc()
                                 INodePacket packet;
                                 while (_packetQueue.TryDequeue(out packet))
                                 {
+                                    Console.WriteLine("NodeEndpointInProc.PacketPumpProc -> RoutePacket");
                                     _peerEndpoint._packetFactory.RoutePacket(0, packet);
                                 }
                             }
diff --git a/src/Build/BackEnd/Components/Communications/NodeProviderInProc.cs b/src/Build/BackEnd/Components/Communications/NodeProviderInProc.cs
index 26cf8ed28f3..8ebec71afde 100644
--- a/src/Build/BackEnd/Components/Communications/NodeProviderInProc.cs
+++ b/src/Build/BackEnd/Components/Communications/NodeProviderInProc.cs
@@ -159,11 +159,13 @@ public void SendData(int nodeId, INodePacket packet)
             ErrorUtilities.VerifyThrowArgumentOutOfRange(nodeId == _inProcNodeId, "node");
             ErrorUtilities.VerifyThrowArgumentNull(packet, nameof(packet));
 
+            Console.WriteLine("NodeProviderInProc.SendData");
             if (_inProcNode == null)
             {
                 return;
             }
 
+            Console.WriteLine("NodeProviderInProc.SendData -> SendData");
             _inProcNodeEndpoint.SendData(packet);
         }