Improve threadpool reporting to "show threads" console command (also gets printed out periodically)

2 files changed, 57 insertions, 7 deletions

diff --git a/OpenSim/Framework/Servers/BaseOpenSimServer.cs b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
index d5c2515..5c74ac9 100644
--- a/OpenSim/Framework/Servers/BaseOpenSimServer.cs
+++ b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
@@ -272,12 +272,8 @@ namespace OpenSim.Framework.Servers
                 sb.Append(Environment.NewLine);
             }
 
-            int workers = 0, ports = 0, maxWorkers = 0, maxPorts = 0;
-            ThreadPool.GetAvailableThreads(out workers, out ports);
-            ThreadPool.GetMaxThreads(out maxWorkers, out maxPorts);
-
-            sb.Append(Environment.NewLine + "*** ThreadPool threads ***"  + Environment.NewLine);
-            sb.Append("workers: " + (maxWorkers - workers) + " (" + maxWorkers + "); ports: " + (maxPorts - ports) + " (" + maxPorts + ")" + Environment.NewLine);
+            sb.Append("\n*** Main threadpool (excluding script engine)***\n");
+            sb.Append(Util.GetThreadPoolReport());
 
             return sb.ToString();
         }
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 31fa101..9e0f138 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -147,7 +147,6 @@ namespace OpenSim.Framework
             return lerp(y, lerp(x, a, b), lerp(x, c, d));
         }
 
-
         public static Encoding UTF8 = Encoding.UTF8;
 
         /// <value>
@@ -1674,6 +1673,61 @@ namespace OpenSim.Framework
             }
         }
 
+        /// <summary>
+        /// Get a thread pool report.
+        /// </summary>
+        /// <returns></returns>
+        public static string GetThreadPoolReport()
+        {
+            string threadPoolUsed = null;
+            int maxThreads = 0;
+            int minThreads = 0;
+            int allocatedThreads = 0;
+            int inUseThreads = 0;
+            int waitingCallbacks = 0;
+            int completionPortThreads = 0;
+
+            StringBuilder sb = new StringBuilder();
+            if (FireAndForgetMethod == FireAndForgetMethod.SmartThreadPool)
+            {
+                threadPoolUsed = "SmartThreadPool";
+                maxThreads = m_ThreadPool.MaxThreads;
+                minThreads = m_ThreadPool.MinThreads;
+                inUseThreads = m_ThreadPool.InUseThreads;
+                allocatedThreads = m_ThreadPool.ActiveThreads;
+                waitingCallbacks = m_ThreadPool.WaitingCallbacks;
+            }
+            else if (
+                FireAndForgetMethod == FireAndForgetMethod.UnsafeQueueUserWorkItem
+                    || FireAndForgetMethod == FireAndForgetMethod.UnsafeQueueUserWorkItem)
+            {
+                threadPoolUsed = "BuiltInThreadPool";
+                ThreadPool.GetMaxThreads(out maxThreads, out completionPortThreads);
+                ThreadPool.GetMinThreads(out minThreads, out completionPortThreads);
+                int availableThreads;
+                ThreadPool.GetAvailableThreads(out availableThreads, out completionPortThreads);
+                inUseThreads = maxThreads - availableThreads;
+                allocatedThreads = -1;
+                waitingCallbacks = -1;
+            }
+
+            if (threadPoolUsed != null)
+            {
+                sb.AppendFormat("Thread pool used           : {0}\n", threadPoolUsed);
+                sb.AppendFormat("Max threads                : {0}\n", maxThreads);
+                sb.AppendFormat("Min threads                : {0}\n", minThreads);
+                sb.AppendFormat("Allocated threads          : {0}\n", allocatedThreads < 0 ? "not applicable" : allocatedThreads.ToString());
+                sb.AppendFormat("In use threads             : {0}\n", inUseThreads);
+                sb.AppendFormat("Work items waiting         : {0}\n", waitingCallbacks < 0 ? "not available" : waitingCallbacks.ToString());
+            }
+            else
+            {
+                sb.AppendFormat("Thread pool not used\n");
+            }
+
+            return sb.ToString();
+        }
+
         private static object SmartThreadPoolCallback(object o)
         {
             object[] array = (object[])o;