diff --git a/src/hwrenderer/scene/hw_bsp.cpp b/src/hwrenderer/scene/hw_bsp.cpp
index 35db031731..c05dc92143 100644
--- a/src/hwrenderer/scene/hw_bsp.cpp
+++ b/src/hwrenderer/scene/hw_bsp.cpp
@@ -96,6 +96,7 @@ void HWDrawInfo::WorkerThread()
 {
 	sector_t fakefront, fakeback, *front, *back;
 
+	WTTotal.Clock();
 	isWorkerThread = true;	// for adding asserts in GL API code. The worker thread may never call any GL API.
 	while (true)
 	{
@@ -118,7 +119,7 @@ void HWDrawInfo::WorkerThread()
 		else switch (job->type)
 		{
 		case RenderJob::TerminateJob:
-			PreparePlayerSprites(Viewpoint.sector, in_area);
+			WTTotal.Unclock();
 			return;
 
 		case RenderJob::WallJob:
@@ -727,7 +728,10 @@ void HWDrawInfo::RenderBSP(void *node)
 
 	jobQueue.AddJob(RenderJob::TerminateJob, nullptr, nullptr);
 	Bsp.Unclock();
-
+	MTWait.Clock();
 	future.wait();
 	jobQueue.ReleaseAll();
+	MTWait.Unclock();
+
+	PreparePlayerSprites(Viewpoint.sector, in_area);
 }
diff --git a/src/hwrenderer/utility/hw_clock.cpp b/src/hwrenderer/utility/hw_clock.cpp
index a34b1fdb13..179776a656 100644
--- a/src/hwrenderer/utility/hw_clock.cpp
+++ b/src/hwrenderer/utility/hw_clock.cpp
@@ -51,6 +51,7 @@ glcycle_t RenderAll;
 glcycle_t Dirty;
 glcycle_t drawcalls;
 glcycle_t twoD, Flush3D;
+glcycle_t MTWait, WTTotal;
 int vertexcount, flatvertices, flatprimitives;
 
 int rendered_lines,rendered_flats,rendered_sprites,render_vertexsplit,render_texsplit,rendered_decals, rendered_portals;
@@ -73,6 +74,8 @@ void ResetProfilingData()
 	RenderSprite.Reset();
 	SetupSprite.Reset();
 	drawcalls.Reset();
+	MTWait.Reset();
+	WTTotal.Reset();
 
 	flatvertices=flatprimitives=vertexcount=0;
 	render_texsplit=render_vertexsplit=rendered_lines=rendered_flats=rendered_sprites=rendered_decals=rendered_portals = 0;
@@ -87,20 +90,22 @@ void ResetProfilingData()
 static void AppendRenderTimes(FString &str)
 {
 	double setupwall = SetupWall.TimeMS();
-	double clipwall = ClipWall.TimeMS() - SetupWall.TimeMS();
-	double bsp = Bsp.TimeMS() - ClipWall.TimeMS() - SetupFlat.TimeMS() - SetupSprite.TimeMS();
+	double clipwall = ClipWall.TimeMS();
+	double bsp = Bsp.TimeMS() - ClipWall.TimeMS();
 
 	str.AppendFormat("BSP = %2.3f, Clip=%2.3f\n"
 		"W: Render=%2.3f, Setup=%2.3f\n"
 		"F: Render=%2.3f, Setup=%2.3f\n"
 		"S: Render=%2.3f, Setup=%2.3f\n"
 		"2D: %2.3f Finish3D: %2.3f\n"
+		"Main thread total=%2.3f, Main thread waiting=%2.3f Worker thread total=%2.3f, Worker thread waiting=%2.3f\n"
 		"All=%2.3f, Render=%2.3f, Setup=%2.3f, Portal=%2.3f, Drawcalls=%2.3f, Postprocess=%2.3f, Finish=%2.3f\n",
 		bsp, clipwall,
 		RenderWall.TimeMS(), setupwall, 
 		RenderFlat.TimeMS(), SetupFlat.TimeMS(),
 		RenderSprite.TimeMS(), SetupSprite.TimeMS(), 
 		twoD.TimeMS(), Flush3D.TimeMS() - twoD.TimeMS(),
+		MTWait.TimeMS() + Bsp.TimeMS(), MTWait.TimeMS(), WTTotal.TimeMS(), WTTotal.TimeMS() - setupwall - SetupFlat.TimeMS() - SetupSprite.TimeMS(),
 		All.TimeMS() + Finish.TimeMS(), RenderAll.TimeMS(),	ProcessAll.TimeMS(), PortalAll.TimeMS(), drawcalls.TimeMS(), PostProcess.TimeMS(), Finish.TimeMS());
 }
 
diff --git a/src/hwrenderer/utility/hw_clock.h b/src/hwrenderer/utility/hw_clock.h
index 243ec49246..8dec4a6de0 100644
--- a/src/hwrenderer/utility/hw_clock.h
+++ b/src/hwrenderer/utility/hw_clock.h
@@ -13,6 +13,7 @@ extern glcycle_t ProcessAll, PostProcess;
 extern glcycle_t RenderAll;
 extern glcycle_t Dirty;
 extern glcycle_t drawcalls, twoD, Flush3D;
+extern glcycle_t MTWait, WTTotal;
 
 extern int iter_dlightf, iter_dlight, draw_dlight, draw_dlightf;
 extern int rendered_lines,rendered_flats,rendered_sprites,rendered_decals,render_vertexsplit,render_texsplit;