Addition of ServerStats shared region module which collects and registers

server wide statistics (CPU%, network bytes sent, ...) with StatsManager.
user_profiles
Robert Adams 2013-02-23 16:49:02 -08:00
parent 6a01683aeb
commit 8e67ad25b0
1 changed files with 438 additions and 0 deletions

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/*
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*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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*/
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 Mono.Addins;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using OpenSim.Framework.Monitoring;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenMetaverse.StructuredData;
namespace OpenSim.Region.OptionalModules.Framework.Monitoring
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "ServerStatistics")]
public class ServerStats : ISharedRegionModule
{
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 ContainerProcessor = "processor";
public readonly string ContainerMemory = "memory";
public readonly string ContainerNetwork = "network";
public readonly string ContainerProcess = "process";
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;
PerfCounterControl processThreadCountPerfCounter = null;
PerfCounterControl processVirtualBytesPerfCounter = null;
PerfCounterControl processWorkingSetPerfCounter = null;
PerfCounterControl dotNETCLRMemoryAllocatedBytesPerSecPerfCounter = null;
PerfCounterControl dotNETCLRMemoryGen0HeapSizePerfCounter = null;
PerfCounterControl dotNETCLRMemoryGen1HeapSizePerfCounter = null;
PerfCounterControl dotNETCLRMemoryGen2HeapSizePerfCounter = null;
PerfCounterControl dotNETCLRLaTTotalContentionsPerfCounter = null;
PerfCounterControl dotNETCLRLaTContentionsPerSecPerfCounter = null;
PerfCounterControl dotNETCLRLaTLogicalThreadsPerfCounter = null;
PerfCounterControl dotNETCLRLaTPhysicalThreadsPerfCounter = null;
#region ISharedRegionModule
// IRegionModuleBase.Name
public string Name { get { return "Server Stats"; } }
// IRegionModuleBase.ReplaceableInterface
public Type ReplaceableInterface { get { return null; } }
// IRegionModuleBase.Initialize
public void Initialise(IConfigSource source)
{
IConfig cnfg = source.Configs["Statistics"];
if (cnfg != null)
Enabled = cnfg.GetBoolean("Enabled", true);
}
// IRegionModuleBase.Close
public void Close()
{
if (RegisteredStats.Count > 0)
{
foreach (Stat stat in RegisteredStats.Values)
{
StatsManager.DeregisterStat(stat);
stat.Dispose();
}
RegisteredStats.Clear();
}
}
// IRegionModuleBase.AddRegion
public void AddRegion(Scene scene)
{
}
// IRegionModuleBase.RemoveRegion
public void RemoveRegion(Scene scene)
{
}
// IRegionModuleBase.RegionLoaded
public void RegionLoaded(Scene scene)
{
}
// ISharedRegionModule.PostInitialize
public void PostInitialise()
{
if (RegisteredStats.Count == 0)
{
RegisterServerStats();
}
}
#endregion ISharedRegionModule
public void RegisterServerStats()
{
lastperformanceCounterSampleTime = Util.EnvironmentTickCount();
PerformanceCounter tempPC;
Stat tempStat;
string tempName;
try
{
tempName = "CPU_Percent";
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, Util.IsWindows() ? 1 : -1); },
StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
/* Performance counters are not the way to go. Ick. Find another way.
tempName = "Thread_Count";
tempPC = new PerformanceCounter("Process", "Thread Count", AppDomain.CurrentDomain.FriendlyName);
processThreadCountPerfCounter = new PerfCounterControl(tempPC);
tempStat = new Stat("Thread_Count", "Thread_Count", "", "threads", CategoryServer, ContainerProcess,
StatType.Pull, (s) => { GetNextValue(s, processThreadCountPerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Virtual_Bytes";
tempPC = new PerformanceCounter("Process", "Virtual Bytes", AppDomain.CurrentDomain.FriendlyName);
processVirtualBytesPerfCounter = new PerfCounterControl(tempPC);
tempStat = new Stat("Virtual_Bytes", "Virtual_Bytes", "", "MB", CategoryServer, ContainerProcess,
StatType.Pull, (s) => { GetNextValue(s, processVirtualBytesPerfCounter, 1024.0*1024.0); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Working_Set";
tempPC = new PerformanceCounter("Process", "Working Set", AppDomain.CurrentDomain.FriendlyName);
processWorkingSetPerfCounter = new PerfCounterControl(tempPC);
tempStat = new Stat("Working_Set", "Working_Set", "", "MB", CategoryServer, ContainerProcess,
StatType.Pull, (s) => { GetNextValue(s, processWorkingSetPerfCounter, 1024.0*1024.0); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
*/
}
catch (Exception e)
{
m_log.ErrorFormat("{0} Exception creating 'Process': {1}", LogHeader, e);
}
try
{
/* The ".NET CLR *" categories aren't working for me.
tempName = ""Bytes_Allocated_Per_Sec";
tempPC = new PerformanceCounter(".NET CLR Memory", "Allocated Bytes/sec", AppDomain.CurrentDomain.FriendlyName);
dotNETCLRMemoryAllocatedBytesPerSecPerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat(tempName, tempName, "", "bytes/sec", ServerCategory, MemoryContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRMemoryAllocatedBytesPerSecPerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Gen_0_Heap_Size";
tempPC = new PerformanceCounter(".NET CLR Memory", "Gen 0 heap size", AppDomain.CurrentDomain.FriendlyName);
dotNETCLRMemoryGen0HeapSizePerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Gen_0_Heap_Size", "Gen_0_Heap_Size", "", "bytes", ServerCategory, MemoryContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRMemoryGen0HeapSizePerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Gen_1_Heap_Size";
tempPC = new PerformanceCounter(".NET CLR Memory", "Gen 1 heap size", AppDomain.CurrentDomain.FriendlyName);
dotNETCLRMemoryGen1HeapSizePerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Gen_1_Heap_Size", "Gen_1_Heap_Size", "", "bytes", ServerCategory, MemoryContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRMemoryGen1HeapSizePerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Gen_2_Heap_Size";
tempPC = new PerformanceCounter(".NET CLR Memory", "Gen 2 heap size", AppDomain.CurrentDomain.FriendlyName);
dotNETCLRMemoryGen2HeapSizePerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Gen_2_Heap_Size", "Gen_2_Heap_Size", "", "bytes", ServerCategory, MemoryContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRMemoryGen2HeapSizePerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Total_Lock_Contentions";
tempPC = new PerformanceCounter(".NET CLR LocksAndThreads", "Total # of Contentions");
dotNETCLRLaTTotalContentionsPerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Total_Lock_Contentions", "Total_Lock_Contentions", "", "contentions", ServerCategory, ProcessContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRLaTTotalContentionsPerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Lock_Contentions";
tempPC = new PerformanceCounter(".NET CLR LocksAndThreads", "Contention Rate / sec");
dotNETCLRLaTContentionsPerSecPerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Lock_Contentions", "Lock_Contentions", "", "contentions/sec", ServerCategory, ProcessContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRLaTContentionsPerSecPerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Logical_Threads";
tempPC = new PerformanceCounter(".NET CLR LocksAndThreads", "# of current logical Threads");
dotNETCLRLaTLogicalThreadsPerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Logicial_Threads", "Logicial_Threads", "", "threads", ServerCategory, ProcessContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRLaTLogicalThreadsPerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Physical_Threads";
tempPC = new PerformanceCounter(".NET CLR LocksAndThreads", "# of current physical Threads");
dotNETCLRLaTPhysicalThreadsPerfCounter = new PerfCounterControl(tempPC, tempStat);
tempStat = new Stat("Physical_Threads", "Physical_Threads", "", "threads", ServerCategory, ProcessContainer,
StatType.Pull, (s) => { GetNextValue(s, dotNETCLRLaTPhysicalThreadsPerfCounter); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
*/
}
catch (Exception e)
{
m_log.ErrorFormat("{0} Exception creating '.NET CLR Memory': {1}", LogHeader, e);
}
try
{
IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces();
// IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces().Where(
// (network) => network.NetworkInterfaceType == NetworkInterfaceType.Ethernet);
// IEnumerable<NetworkInterface> nics = NetworkInterface.GetAllNetworkInterfaces().Where(
// (network) => network.OperationalStatus == OperationalStatus.Up);
foreach (NetworkInterface nic in nics)
{
if (nic.OperationalStatus != OperationalStatus.Up || nic.NetworkInterfaceType != NetworkInterfaceType.Ethernet)
continue;
if (nic.Supports(NetworkInterfaceComponent.IPv4))
{
IPv4InterfaceStatistics nicStats = nic.GetIPv4Statistics();
if (nicStats != null)
{
tempName = "Bytes_Rcvd/" + nic.Name;
tempStat = new Stat(tempName, tempName, nic.Name, "KB", CategoryServer, ContainerNetwork,
StatType.Pull, (s) => { LookupNic(s, (ns) => { return ns.BytesReceived; }, 1024.0); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Bytes_Sent/" + nic.Name;
tempStat = new Stat(tempName, tempName, nic.Name, "KB", CategoryServer, ContainerNetwork,
StatType.Pull, (s) => { LookupNic(s, (ns) => { return ns.BytesSent; }, 1024.0); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Total_Bytes/" + nic.Name;
tempStat = new Stat(tempName, tempName, nic.Name, "KB", CategoryServer, ContainerNetwork,
StatType.Pull, (s) => { LookupNic(s, (ns) => { return ns.BytesSent + ns.BytesReceived; }, 1024.0); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
}
}
}
}
catch (Exception e)
{
m_log.ErrorFormat("{0} Exception creating 'Network Interface': {1}", LogHeader, e);
}
tempName = "Process_Memory";
tempStat = new Stat(tempName, tempName, "", "MB", CategoryServer, ContainerMemory,
StatType.Pull, (s) => { s.Value = Process.GetCurrentProcess().WorkingSet64 / 1024d / 1024d; }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Object_Memory";
tempStat = new Stat(tempName, tempName, "", "MB", CategoryServer, ContainerMemory,
StatType.Pull, (s) => { s.Value = GC.GetTotalMemory(false) / 1024d / 1024d; }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Last_Memory_Churn";
tempStat = new Stat(tempName, tempName, "", "MB/sec", CategoryServer, ContainerMemory,
StatType.Pull, (s) => { s.Value = Math.Round(MemoryWatchdog.LastMemoryChurn * 1000d / 1024d / 1024d, 3); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
tempName = "Average_Memory_Churn";
tempStat = new Stat(tempName, tempName, "", "MB/sec", CategoryServer, ContainerMemory,
StatType.Pull, (s) => { s.Value = Math.Round(MemoryWatchdog.AverageMemoryChurn * 1000d / 1024d / 1024d, 3); }, StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
}
// 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)
{
GetNextValue(stat, perfControl, 1.0);
}
private void GetNextValue(Stat stat, PerfCounterControl perfControl, double factor)
{
if (Util.EnvironmentTickCountSubtract(perfControl.lastFetch) > performanceCounterSampleInterval)
{
if (perfControl != null && perfControl.perfCounter != null)
{
try
{
// Kludge for factor to run double duty. If -1, subtract the value from one
if (factor == -1)
stat.Value = 1 - perfControl.perfCounter.NextValue();
else
stat.Value = perfControl.perfCounter.NextValue() / factor;
}
catch (Exception e)
{
m_log.ErrorFormat("{0} Exception on NextValue fetching {1}: {2}", LogHeader, stat.Name, e);
}
perfControl.lastFetch = Util.EnvironmentTickCount();
}
}
}
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)
stat.Value = Math.Round(getter(intrStats) / factor, 3);
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;
}
}
}