diff --git a/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs b/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs
index e97d9f3..d26b7d3 100644
--- a/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs
+++ b/src/DotRecast.Recast.Demo/Draw/RecastDebugDraw.cs
@@ -19,11 +19,8 @@ freely, subject to the following restrictions:
 */
 
 using System;
-using System.Collections.Generic;
 using DotRecast.Core.Numerics;
 using DotRecast.Detour;
-using DotRecast.Detour.Crowd;
-using DotRecast.Detour.Dynamic.Colliders;
 using DotRecast.Recast.Toolset.Builder;
 using Silk.NET.OpenGL;
 
diff --git a/src/DotRecast.Recast.Demo/Tools/CrowdAgentProfilingSampleTool.cs b/src/DotRecast.Recast.Demo/Tools/CrowdAgentProfilingSampleTool.cs
index a2b06d5..0adef28 100644
--- a/src/DotRecast.Recast.Demo/Tools/CrowdAgentProfilingSampleTool.cs
+++ b/src/DotRecast.Recast.Demo/Tools/CrowdAgentProfilingSampleTool.cs
@@ -18,12 +18,9 @@ freely, subject to the following restrictions:
 */
 
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using DotRecast.Core.Numerics;
 using DotRecast.Detour;
 using DotRecast.Detour.Crowd;
-using DotRecast.Recast.Toolset.Builder;
 using DotRecast.Recast.Demo.Draw;
 using DotRecast.Recast.Toolset;
 using DotRecast.Recast.Toolset.Tools;
@@ -98,6 +95,11 @@ public class CrowdAgentProfilingSampleTool : ISampleTool
         ImGui.SliderInt("Max Iterations", ref toolCfg.maxIterations, 0, 4000);
         ImGui.NewLine();
 
+        ImGui.Text("Debug Draw");
+        ImGui.Separator();
+        ImGui.Checkbox("Show Agents", ref toolCfg.showAgents);
+        ImGui.NewLine();
+
         if (ImGui.Button("Start Crowd Profiling"))
         {
             var settings = _sample.GetSettings();
@@ -118,11 +120,11 @@ public class CrowdAgentProfilingSampleTool : ISampleTool
                 ImGui.Text($"{rtt.Key}: {rtt.Micros} us");
             }
 
-            ImGui.Text($"Sampling Time: {_tool.GetCrowdUpdateSamplingTime()} ms");
-            ImGui.Text($"Current Update Time: {_tool.GetCrowdUpdateTime()} ms");
-            ImGui.Text($"Avg Update Time: {_tool.GetCrowdUpdateAvgTime()} ms");
-            ImGui.Text($"Max Update Time: {_tool.GetCrowdUpdateMaxTime()} ms");
-            ImGui.Text($"Min Update Time: {_tool.GetCrowdUpdateMinTime()} ms");
+            ImGui.Text($"Sampling Time: {_tool.GetCrowdUpdateSamplingTime():0.00} ms");
+            ImGui.Text($"Current Update Time: {_tool.GetCrowdUpdateTime():0.00} ms");
+            ImGui.Text($"Avg Update Time: {_tool.GetCrowdUpdateAvgTime():0.00} ms");
+            ImGui.Text($"Max Update Time: {_tool.GetCrowdUpdateMaxTime():0.00} ms");
+            ImGui.Text($"Min Update Time: {_tool.GetCrowdUpdateMinTime():0.00} ms");
         }
     }
 
@@ -132,7 +134,7 @@ public class CrowdAgentProfilingSampleTool : ISampleTool
         dd.DepthMask(false);
 
         var crowd = _tool.GetCrowd();
-        if (crowd != null)
+        if (crowd != null && _tool.GetToolConfig().showAgents)
         {
             foreach (DtCrowdAgent ag in crowd.GetActiveAgents())
             {
diff --git a/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingTool.cs b/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingTool.cs
index 6a5227b..4f4adea 100644
--- a/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingTool.cs
+++ b/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingTool.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Numerics;
@@ -26,12 +26,12 @@ namespace DotRecast.Recast.Toolset.Tools
         private readonly List<DtPolyPoint> _polyPoints;
 
         private const int SamplingCount = 500;
-        private long _samplingUpdateTime;
+        private double _samplingUpdateTime;
         private readonly RcCyclicBuffer<long> _updateTimes;
-        private long _curUpdateTime;
-        private long _avgUpdateTime;
-        private long _minUpdateTime;
-        private long _maxUpdateTime;
+        private double _curUpdateTime;
+        private double _avgUpdateTime;
+        private double _minUpdateTime;
+        private double _maxUpdateTime;
 
         public RcCrowdAgentProfilingTool()
         {
@@ -269,11 +269,11 @@ namespace DotRecast.Recast.Toolset.Tools
             _updateTimes.PushBack(currentTime);
 
             // for benchmark
-            _samplingUpdateTime = _updateTimes.Sum() / TimeSpan.TicksPerMillisecond;
-            _curUpdateTime = currentTime / TimeSpan.TicksPerMillisecond;
-            _avgUpdateTime = (long)(_updateTimes.Average() / TimeSpan.TicksPerMillisecond);
-            _minUpdateTime = _updateTimes.Min() / TimeSpan.TicksPerMillisecond;
-            _maxUpdateTime = _updateTimes.Max() / TimeSpan.TicksPerMillisecond;
+            _samplingUpdateTime = _updateTimes.Sum() / (double)TimeSpan.TicksPerMillisecond;
+            _curUpdateTime = currentTime / (double)TimeSpan.TicksPerMillisecond;
+            _avgUpdateTime = (_updateTimes.Average() / (double)TimeSpan.TicksPerMillisecond);
+            _minUpdateTime = _updateTimes.Min() / (double)TimeSpan.TicksPerMillisecond;
+            _maxUpdateTime = _updateTimes.Max() / (double)TimeSpan.TicksPerMillisecond;
         }
 
         private void MoveMob(DtNavMeshQuery navquery, IDtQueryFilter filter, DtCrowdAgent ag, RcCrowdAgentData crowAgentData)
@@ -374,27 +374,27 @@ namespace DotRecast.Recast.Toolset.Tools
             }
         }
 
-        public long GetCrowdUpdateSamplingTime()
+        public double GetCrowdUpdateSamplingTime()
         {
             return _samplingUpdateTime;
         }
 
-        public long GetCrowdUpdateTime()
+        public double GetCrowdUpdateTime()
         {
             return _curUpdateTime;
         }
 
-        public long GetCrowdUpdateAvgTime()
+        public double GetCrowdUpdateAvgTime()
         {
             return _avgUpdateTime;
         }
 
-        public long GetCrowdUpdateMinTime()
+        public double GetCrowdUpdateMinTime()
         {
             return _minUpdateTime;
         }
 
-        public long GetCrowdUpdateMaxTime()
+        public double GetCrowdUpdateMaxTime()
         {
             return _maxUpdateTime;
         }
diff --git a/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingToolConfig.cs b/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingToolConfig.cs
index 65794d1..6b6e753 100644
--- a/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingToolConfig.cs
+++ b/src/DotRecast.Recast.Toolset/Tools/RcCrowdAgentProfilingToolConfig.cs
@@ -1,4 +1,4 @@
-namespace DotRecast.Recast.Toolset.Tools
+namespace DotRecast.Recast.Toolset.Tools
 {
     public class RcCrowdAgentProfilingToolConfig
     {
@@ -12,5 +12,7 @@
         public float percentTravellers = 15f;
         public int pathQueueSize = 32;
         public int maxIterations = 300;
+
+        public bool showAgents = true;
     }
 }
\ No newline at end of file