f1f935ed95
This adds the "show stats", "stats record", etc. commands and information on available Threadpool threads, etc. It also adds the Watchdog which logs warnings if time between executions is unexpectedly large.
347 lines
15 KiB
C#
347 lines
15 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://opensimulator.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the OpenSimulator Project nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
using System.Net.NetworkInformation;
|
|
using System.Text;
|
|
using System.Threading;
|
|
using log4net;
|
|
using Nini.Config;
|
|
using OpenMetaverse.StructuredData;
|
|
using OpenSim.Framework;
|
|
|
|
namespace OpenSim.Framework.Monitoring
|
|
{
|
|
public class ServerStatsCollector
|
|
{
|
|
private readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
|
|
private readonly string LogHeader = "[SERVER STATS]";
|
|
|
|
public bool Enabled = false;
|
|
private static Dictionary<string, Stat> RegisteredStats = new Dictionary<string, Stat>();
|
|
|
|
public readonly string CategoryServer = "server";
|
|
|
|
public readonly string ContainerThreadpool = "threadpool";
|
|
public readonly string ContainerProcessor = "processor";
|
|
public readonly string ContainerMemory = "memory";
|
|
public readonly string ContainerNetwork = "network";
|
|
public readonly string ContainerProcess = "process";
|
|
|
|
public string NetworkInterfaceTypes = "Ethernet";
|
|
|
|
readonly int performanceCounterSampleInterval = 500;
|
|
// int lastperformanceCounterSampleTime = 0;
|
|
|
|
private class PerfCounterControl
|
|
{
|
|
public PerformanceCounter perfCounter;
|
|
public int lastFetch;
|
|
public string name;
|
|
public PerfCounterControl(PerformanceCounter pPc)
|
|
: this(pPc, String.Empty)
|
|
{
|
|
}
|
|
public PerfCounterControl(PerformanceCounter pPc, string pName)
|
|
{
|
|
perfCounter = pPc;
|
|
lastFetch = 0;
|
|
name = pName;
|
|
}
|
|
}
|
|
|
|
PerfCounterControl processorPercentPerfCounter = null;
|
|
|
|
// IRegionModuleBase.Initialize
|
|
public void Initialise(IConfigSource source)
|
|
{
|
|
if (source == null)
|
|
return;
|
|
|
|
IConfig cfg = source.Configs["Monitoring"];
|
|
|
|
if (cfg != null)
|
|
Enabled = cfg.GetBoolean("ServerStatsEnabled", true);
|
|
|
|
if (Enabled)
|
|
{
|
|
NetworkInterfaceTypes = cfg.GetString("NetworkInterfaceTypes", "Ethernet");
|
|
}
|
|
}
|
|
|
|
public void Start()
|
|
{
|
|
if (RegisteredStats.Count == 0)
|
|
RegisterServerStats();
|
|
}
|
|
|
|
public void Close()
|
|
{
|
|
if (RegisteredStats.Count > 0)
|
|
{
|
|
foreach (Stat stat in RegisteredStats.Values)
|
|
{
|
|
StatsManager.DeregisterStat(stat);
|
|
stat.Dispose();
|
|
}
|
|
RegisteredStats.Clear();
|
|
}
|
|
}
|
|
|
|
private void MakeStat(string pName, string pDesc, string pUnit, string pContainer, Action<Stat> act)
|
|
{
|
|
MakeStat(pName, pDesc, pUnit, pContainer, act, MeasuresOfInterest.None);
|
|
}
|
|
|
|
private void MakeStat(string pName, string pDesc, string pUnit, string pContainer, Action<Stat> act, MeasuresOfInterest moi)
|
|
{
|
|
string desc = pDesc;
|
|
if (desc == null)
|
|
desc = pName;
|
|
Stat stat = new Stat(pName, pName, desc, pUnit, CategoryServer, pContainer, StatType.Pull, moi, act, StatVerbosity.Debug);
|
|
StatsManager.RegisterStat(stat);
|
|
RegisteredStats.Add(pName, stat);
|
|
}
|
|
|
|
public void RegisterServerStats()
|
|
{
|
|
// lastperformanceCounterSampleTime = Util.EnvironmentTickCount();
|
|
PerformanceCounter tempPC;
|
|
Stat tempStat;
|
|
string tempName;
|
|
|
|
try
|
|
{
|
|
tempName = "CPUPercent";
|
|
tempPC = new PerformanceCounter("Processor", "% Processor Time", "_Total");
|
|
processorPercentPerfCounter = new PerfCounterControl(tempPC);
|
|
// A long time bug in mono is that CPU percent is reported as CPU percent idle. Windows reports CPU percent busy.
|
|
tempStat = new Stat(tempName, tempName, "", "percent", CategoryServer, ContainerProcessor,
|
|
StatType.Pull, (s) => { GetNextValue(s, processorPercentPerfCounter); },
|
|
StatVerbosity.Info);
|
|
StatsManager.RegisterStat(tempStat);
|
|
RegisteredStats.Add(tempName, tempStat);
|
|
|
|
MakeStat("TotalProcessorTime", null, "sec", ContainerProcessor,
|
|
(s) => { s.Value = Math.Round(Process.GetCurrentProcess().TotalProcessorTime.TotalSeconds, 3); });
|
|
|
|
MakeStat("UserProcessorTime", null, "sec", ContainerProcessor,
|
|
(s) => { s.Value = Math.Round(Process.GetCurrentProcess().UserProcessorTime.TotalSeconds, 3); });
|
|
|
|
MakeStat("PrivilegedProcessorTime", null, "sec", ContainerProcessor,
|
|
(s) => { s.Value = Math.Round(Process.GetCurrentProcess().PrivilegedProcessorTime.TotalSeconds, 3); });
|
|
|
|
MakeStat("Threads", null, "threads", ContainerProcessor,
|
|
(s) => { s.Value = Process.GetCurrentProcess().Threads.Count; });
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat("{0} Exception creating 'Process': {1}", LogHeader, e);
|
|
}
|
|
|
|
MakeStat("BuiltinThreadpoolWorkerThreadsAvailable", null, "threads", ContainerThreadpool,
|
|
s =>
|
|
{
|
|
int workerThreads, iocpThreads;
|
|
ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
|
|
s.Value = workerThreads;
|
|
});
|
|
|
|
MakeStat("BuiltinThreadpoolIOCPThreadsAvailable", null, "threads", ContainerThreadpool,
|
|
s =>
|
|
{
|
|
int workerThreads, iocpThreads;
|
|
ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
|
|
s.Value = iocpThreads;
|
|
});
|
|
|
|
if (Util.FireAndForgetMethod == FireAndForgetMethod.SmartThreadPool && Util.GetSmartThreadPoolInfo() != null)
|
|
{
|
|
MakeStat("STPMaxThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().MaxThreads);
|
|
MakeStat("STPMinThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().MinThreads);
|
|
MakeStat("STPConcurrency", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().MaxConcurrentWorkItems);
|
|
MakeStat("STPActiveThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().ActiveThreads);
|
|
MakeStat("STPInUseThreads", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().InUseThreads);
|
|
MakeStat("STPWorkItemsWaiting", null, "threads", ContainerThreadpool, s => s.Value = Util.GetSmartThreadPoolInfo().WaitingCallbacks);
|
|
}
|
|
|
|
MakeStat(
|
|
"HTTPRequestsMade",
|
|
"Number of outbound HTTP requests made",
|
|
"requests",
|
|
ContainerNetwork,
|
|
s => s.Value = WebUtil.RequestNumber,
|
|
MeasuresOfInterest.AverageChangeOverTime);
|
|
|
|
try
|
|
{
|
|
List<string> okInterfaceTypes = new List<string>(NetworkInterfaceTypes.Split(','));
|
|
|
|
IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces();
|
|
foreach (NetworkInterface nic in nics)
|
|
{
|
|
if (nic.OperationalStatus != OperationalStatus.Up)
|
|
continue;
|
|
|
|
string nicInterfaceType = nic.NetworkInterfaceType.ToString();
|
|
if (!okInterfaceTypes.Contains(nicInterfaceType))
|
|
{
|
|
m_log.DebugFormat("{0} Not including stats for network interface '{1}' of type '{2}'.",
|
|
LogHeader, nic.Name, nicInterfaceType);
|
|
m_log.DebugFormat("{0} To include, add to comma separated list in [Monitoring]NetworkInterfaceTypes={1}",
|
|
LogHeader, NetworkInterfaceTypes);
|
|
continue;
|
|
}
|
|
|
|
if (nic.Supports(NetworkInterfaceComponent.IPv4))
|
|
{
|
|
IPv4InterfaceStatistics nicStats = nic.GetIPv4Statistics();
|
|
if (nicStats != null)
|
|
{
|
|
MakeStat("BytesRcvd/" + nic.Name, nic.Name, "KB", ContainerNetwork,
|
|
(s) => { LookupNic(s, (ns) => { return ns.BytesReceived; }, 1024.0); });
|
|
MakeStat("BytesSent/" + nic.Name, nic.Name, "KB", ContainerNetwork,
|
|
(s) => { LookupNic(s, (ns) => { return ns.BytesSent; }, 1024.0); });
|
|
MakeStat("TotalBytes/" + nic.Name, nic.Name, "KB", ContainerNetwork,
|
|
(s) => { LookupNic(s, (ns) => { return ns.BytesSent + ns.BytesReceived; }, 1024.0); });
|
|
}
|
|
}
|
|
// TODO: add IPv6 (it may actually happen someday)
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat("{0} Exception creating 'Network Interface': {1}", LogHeader, e);
|
|
}
|
|
|
|
MakeStat("ProcessMemory", null, "MB", ContainerMemory,
|
|
(s) => { s.Value = Math.Round(Process.GetCurrentProcess().WorkingSet64 / 1024d / 1024d, 3); });
|
|
MakeStat("HeapMemory", null, "MB", ContainerMemory,
|
|
(s) => { s.Value = Math.Round(GC.GetTotalMemory(false) / 1024d / 1024d, 3); });
|
|
MakeStat("LastHeapAllocationRate", null, "MB/sec", ContainerMemory,
|
|
(s) => { s.Value = Math.Round(MemoryWatchdog.LastHeapAllocationRate * 1000d / 1024d / 1024d, 3); });
|
|
MakeStat("AverageHeapAllocationRate", null, "MB/sec", ContainerMemory,
|
|
(s) => { s.Value = Math.Round(MemoryWatchdog.AverageHeapAllocationRate * 1000d / 1024d / 1024d, 3); });
|
|
}
|
|
|
|
// Notes on performance counters:
|
|
// "How To Read Performance Counters": http://blogs.msdn.com/b/bclteam/archive/2006/06/02/618156.aspx
|
|
// "How to get the CPU Usage in C#": http://stackoverflow.com/questions/278071/how-to-get-the-cpu-usage-in-c
|
|
// "Mono Performance Counters": http://www.mono-project.com/Mono_Performance_Counters
|
|
private delegate double PerfCounterNextValue();
|
|
|
|
private void GetNextValue(Stat stat, PerfCounterControl perfControl)
|
|
{
|
|
if (Util.EnvironmentTickCountSubtract(perfControl.lastFetch) > performanceCounterSampleInterval)
|
|
{
|
|
if (perfControl != null && perfControl.perfCounter != null)
|
|
{
|
|
try
|
|
{
|
|
stat.Value = Math.Round(perfControl.perfCounter.NextValue(), 3);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.ErrorFormat("{0} Exception on NextValue fetching {1}: {2}", LogHeader, stat.Name, e);
|
|
}
|
|
|
|
perfControl.lastFetch = Util.EnvironmentTickCount();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Lookup the nic that goes with this stat and set the value by using a fetch action.
|
|
// Not sure about closure with delegates inside delegates.
|
|
private delegate double GetIPv4StatValue(IPv4InterfaceStatistics interfaceStat);
|
|
private void LookupNic(Stat stat, GetIPv4StatValue getter, double factor)
|
|
{
|
|
// Get the one nic that has the name of this stat
|
|
IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces().Where(
|
|
(network) => network.Name == stat.Description);
|
|
try
|
|
{
|
|
foreach (NetworkInterface nic in nics)
|
|
{
|
|
IPv4InterfaceStatistics intrStats = nic.GetIPv4Statistics();
|
|
if (intrStats != null)
|
|
{
|
|
double newVal = Math.Round(getter(intrStats) / factor, 3);
|
|
stat.Value = newVal;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
// There are times interfaces go away so we just won't update the stat for this
|
|
m_log.ErrorFormat("{0} Exception fetching stat on interface '{1}'", LogHeader, stat.Description);
|
|
}
|
|
}
|
|
}
|
|
|
|
public class ServerStatsAggregator : Stat
|
|
{
|
|
public ServerStatsAggregator(
|
|
string shortName,
|
|
string name,
|
|
string description,
|
|
string unitName,
|
|
string category,
|
|
string container
|
|
)
|
|
: base(
|
|
shortName,
|
|
name,
|
|
description,
|
|
unitName,
|
|
category,
|
|
container,
|
|
StatType.Push,
|
|
MeasuresOfInterest.None,
|
|
null,
|
|
StatVerbosity.Info)
|
|
{
|
|
}
|
|
public override string ToConsoleString()
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
public override OSDMap ToOSDMap()
|
|
{
|
|
OSDMap ret = new OSDMap();
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
}
|