350 lines
15 KiB
C#
350 lines
15 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Net.NetworkInformation;
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using System.Text;
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using System.Threading;
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using log4net;
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using Nini.Config;
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using OpenMetaverse.StructuredData;
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using OpenSim.Framework;
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namespace OpenSim.Framework.Monitoring
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{
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public class ServerStatsCollector
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{
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private readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private readonly string LogHeader = "[SERVER STATS]";
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public bool Enabled = false;
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private static Dictionary<string, Stat> RegisteredStats = new Dictionary<string, Stat>();
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public readonly string CategoryServer = "server";
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public readonly string ContainerThreadpool = "threadpool";
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public readonly string ContainerProcessor = "processor";
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public readonly string ContainerMemory = "memory";
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public readonly string ContainerNetwork = "network";
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public readonly string ContainerProcess = "process";
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public string NetworkInterfaceTypes = "Ethernet";
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readonly int performanceCounterSampleInterval = 500;
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// int lastperformanceCounterSampleTime = 0;
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private class PerfCounterControl
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{
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public PerformanceCounter perfCounter;
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public int lastFetch;
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public string name;
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public PerfCounterControl(PerformanceCounter pPc)
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: this(pPc, String.Empty)
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{
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}
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public PerfCounterControl(PerformanceCounter pPc, string pName)
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{
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perfCounter = pPc;
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lastFetch = 0;
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name = pName;
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}
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}
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PerfCounterControl processorPercentPerfCounter = null;
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// IRegionModuleBase.Initialize
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public void Initialise(IConfigSource source)
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{
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IConfig cfg = source.Configs["Monitoring"];
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if (cfg != null)
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Enabled = cfg.GetBoolean("ServerStatsEnabled", true);
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if (Enabled)
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{
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NetworkInterfaceTypes = cfg.GetString("NetworkInterfaceTypes", "Ethernet");
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}
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}
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public void Start()
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{
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if (RegisteredStats.Count == 0)
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RegisterServerStats();
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}
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public void Close()
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{
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if (RegisteredStats.Count > 0)
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{
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foreach (Stat stat in RegisteredStats.Values)
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{
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StatsManager.DeregisterStat(stat);
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stat.Dispose();
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}
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RegisteredStats.Clear();
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}
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}
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private void MakeStat(string pName, string pDesc, string pUnit, string pContainer, Action<Stat> act)
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{
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MakeStat(pName, pDesc, pUnit, pContainer, act, MeasuresOfInterest.None);
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}
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private void MakeStat(string pName, string pDesc, string pUnit, string pContainer, Action<Stat> act, MeasuresOfInterest moi)
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{
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string desc = pDesc;
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if (desc == null)
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desc = pName;
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Stat stat = new Stat(pName, pName, desc, pUnit, CategoryServer, pContainer, StatType.Pull, moi, act, StatVerbosity.Debug);
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StatsManager.RegisterStat(stat);
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RegisteredStats.Add(pName, stat);
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}
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public void RegisterServerStats()
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{
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// lastperformanceCounterSampleTime = Util.EnvironmentTickCount();
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PerformanceCounter tempPC;
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Stat tempStat;
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string tempName;
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try
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{
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tempName = "CPUPercent";
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tempPC = new PerformanceCounter("Processor", "% Processor Time", "_Total");
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processorPercentPerfCounter = new PerfCounterControl(tempPC);
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// A long time bug in mono is that CPU percent is reported as CPU percent idle. Windows reports CPU percent busy.
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tempStat = new Stat(tempName, tempName, "", "percent", CategoryServer, ContainerProcessor,
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StatType.Pull, (s) => { GetNextValue(s, processorPercentPerfCounter, Util.IsWindows() ? 1 : -1); },
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StatVerbosity.Info);
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StatsManager.RegisterStat(tempStat);
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RegisteredStats.Add(tempName, tempStat);
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MakeStat("TotalProcessorTime", null, "sec", ContainerProcessor,
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(s) => { s.Value = Process.GetCurrentProcess().TotalProcessorTime.TotalSeconds; });
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MakeStat("UserProcessorTime", null, "sec", ContainerProcessor,
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(s) => { s.Value = Process.GetCurrentProcess().UserProcessorTime.TotalSeconds; });
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MakeStat("PrivilegedProcessorTime", null, "sec", ContainerProcessor,
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(s) => { s.Value = Process.GetCurrentProcess().PrivilegedProcessorTime.TotalSeconds; });
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MakeStat("Threads", null, "threads", ContainerProcessor,
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(s) => { s.Value = Process.GetCurrentProcess().Threads.Count; });
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("{0} Exception creating 'Process': {1}", LogHeader, e);
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}
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MakeStat("BuiltinThreadpoolWorkerThreadsAvailable", null, "threads", ContainerThreadpool,
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s =>
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{
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int workerThreads, iocpThreads;
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ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
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s.Value = workerThreads;
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});
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MakeStat("BuiltinThreadpoolIOCPThreadsAvailable", null, "threads", ContainerThreadpool,
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s =>
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{
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int workerThreads, iocpThreads;
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ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
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s.Value = iocpThreads;
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});
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if (Util.FireAndForgetMethod != null && Util.GetSmartThreadPoolInfo() != null)
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{
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MakeStat("STPMaxThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().MaxThreads);
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MakeStat("STPMinThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().MinThreads);
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MakeStat("STPConcurrency", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().MaxConcurrentWorkItems);
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MakeStat("STPActiveThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().ActiveThreads);
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MakeStat("STPInUseThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().InUseThreads);
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MakeStat("STPWorkItemsWaiting", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().WaitingCallbacks);
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}
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MakeStat(
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"HTTPRequestsMade",
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"Number of outbound HTTP requests made",
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"requests",
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ContainerNetwork,
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s => s.Value = WebUtil.RequestNumber,
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MeasuresOfInterest.AverageChangeOverTime);
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try
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{
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List<string> okInterfaceTypes = new List<string>(NetworkInterfaceTypes.Split(','));
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IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces();
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foreach (NetworkInterface nic in nics)
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{
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if (nic.OperationalStatus != OperationalStatus.Up)
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continue;
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string nicInterfaceType = nic.NetworkInterfaceType.ToString();
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if (!okInterfaceTypes.Contains(nicInterfaceType))
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{
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m_log.DebugFormat("{0} Not including stats for network interface '{1}' of type '{2}'.",
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LogHeader, nic.Name, nicInterfaceType);
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m_log.DebugFormat("{0} To include, add to comma separated list in [Monitoring]NetworkInterfaceTypes={1}",
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LogHeader, NetworkInterfaceTypes);
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continue;
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}
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if (nic.Supports(NetworkInterfaceComponent.IPv4))
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{
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IPv4InterfaceStatistics nicStats = nic.GetIPv4Statistics();
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if (nicStats != null)
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{
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MakeStat("BytesRcvd/" + nic.Name, nic.Name, "KB", ContainerNetwork,
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(s) => { LookupNic(s, (ns) => { return ns.BytesReceived; }, 1024.0); });
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MakeStat("BytesSent/" + nic.Name, nic.Name, "KB", ContainerNetwork,
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(s) => { LookupNic(s, (ns) => { return ns.BytesSent; }, 1024.0); });
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MakeStat("TotalBytes/" + nic.Name, nic.Name, "KB", ContainerNetwork,
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(s) => { LookupNic(s, (ns) => { return ns.BytesSent + ns.BytesReceived; }, 1024.0); });
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}
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}
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// TODO: add IPv6 (it may actually happen someday)
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}
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("{0} Exception creating 'Network Interface': {1}", LogHeader, e);
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}
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MakeStat("ProcessMemory", null, "MB", ContainerMemory,
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(s) => { s.Value = Process.GetCurrentProcess().WorkingSet64 / 1024d / 1024d; });
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MakeStat("ObjectMemory", null, "MB", ContainerMemory,
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(s) => { s.Value = GC.GetTotalMemory(false) / 1024d / 1024d; });
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MakeStat("LastMemoryChurn", null, "MB/sec", ContainerMemory,
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(s) => { s.Value = Math.Round(MemoryWatchdog.LastMemoryChurn * 1000d / 1024d / 1024d, 3); });
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MakeStat("AverageMemoryChurn", null, "MB/sec", ContainerMemory,
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(s) => { s.Value = Math.Round(MemoryWatchdog.AverageMemoryChurn * 1000d / 1024d / 1024d, 3); });
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}
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// Notes on performance counters:
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// "How To Read Performance Counters": http://blogs.msdn.com/b/bclteam/archive/2006/06/02/618156.aspx
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// "How to get the CPU Usage in C#": http://stackoverflow.com/questions/278071/how-to-get-the-cpu-usage-in-c
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// "Mono Performance Counters": http://www.mono-project.com/Mono_Performance_Counters
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private delegate double PerfCounterNextValue();
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private void GetNextValue(Stat stat, PerfCounterControl perfControl)
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{
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GetNextValue(stat, perfControl, 1.0);
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}
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private void GetNextValue(Stat stat, PerfCounterControl perfControl, double factor)
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{
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if (Util.EnvironmentTickCountSubtract(perfControl.lastFetch) > performanceCounterSampleInterval)
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{
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if (perfControl != null && perfControl.perfCounter != null)
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{
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try
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{
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// Kludge for factor to run double duty. If -1, subtract the value from one
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if (factor == -1)
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stat.Value = 1 - perfControl.perfCounter.NextValue();
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else
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stat.Value = perfControl.perfCounter.NextValue() / factor;
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("{0} Exception on NextValue fetching {1}: {2}", LogHeader, stat.Name, e);
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}
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perfControl.lastFetch = Util.EnvironmentTickCount();
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}
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}
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}
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// Lookup the nic that goes with this stat and set the value by using a fetch action.
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// Not sure about closure with delegates inside delegates.
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private delegate double GetIPv4StatValue(IPv4InterfaceStatistics interfaceStat);
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private void LookupNic(Stat stat, GetIPv4StatValue getter, double factor)
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{
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// Get the one nic that has the name of this stat
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IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces().Where(
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(network) => network.Name == stat.Description);
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try
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{
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foreach (NetworkInterface nic in nics)
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{
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IPv4InterfaceStatistics intrStats = nic.GetIPv4Statistics();
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if (intrStats != null)
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{
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double newVal = Math.Round(getter(intrStats) / factor, 3);
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stat.Value = newVal;
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}
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break;
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}
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}
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catch
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{
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// There are times interfaces go away so we just won't update the stat for this
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m_log.ErrorFormat("{0} Exception fetching stat on interface '{1}'", LogHeader, stat.Description);
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}
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}
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}
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public class ServerStatsAggregator : Stat
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{
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public ServerStatsAggregator(
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string shortName,
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string name,
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string description,
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string unitName,
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string category,
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string container
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)
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: base(
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shortName,
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name,
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description,
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unitName,
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category,
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container,
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StatType.Push,
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MeasuresOfInterest.None,
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null,
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StatVerbosity.Info)
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{
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}
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public override string ToConsoleString()
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{
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StringBuilder sb = new StringBuilder();
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return sb.ToString();
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}
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public override OSDMap ToOSDMap()
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{
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OSDMap ret = new OSDMap();
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return ret;
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}
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}
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}
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