1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
/*
* 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 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)
{
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)
{
string desc = pDesc;
if (desc == null)
desc = pName;
Stat stat = new Stat(pName, pName, desc, pUnit, CategoryServer, pContainer, StatType.Pull, act, StatVerbosity.Info);
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, Util.IsWindows() ? 1 : -1); },
StatVerbosity.Info);
StatsManager.RegisterStat(tempStat);
RegisteredStats.Add(tempName, tempStat);
MakeStat("TotalProcessorTime", null, "sec", ContainerProcessor,
(s) => { s.Value = Process.GetCurrentProcess().TotalProcessorTime.TotalSeconds; });
MakeStat("UserProcessorTime", null, "sec", ContainerProcessor,
(s) => { s.Value = Process.GetCurrentProcess().UserProcessorTime.TotalSeconds; });
MakeStat("PrivilegedProcessorTime", null, "sec", ContainerProcessor,
(s) => { s.Value = Process.GetCurrentProcess().PrivilegedProcessorTime.TotalSeconds; });
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", ContainerProcessor,
s =>
{
int workerThreads, iocpThreads;
ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
s.Value = workerThreads;
});
MakeStat("BuiltinThreadpoolIOCPThreadsAvailable", null, "threads", ContainerProcessor,
s =>
{
int workerThreads, iocpThreads;
ThreadPool.GetAvailableThreads(out workerThreads, out iocpThreads);
s.Value = iocpThreads;
});
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 = Process.GetCurrentProcess().WorkingSet64 / 1024d / 1024d; });
MakeStat("ObjectMemory", null, "MB", ContainerMemory,
(s) => { s.Value = GC.GetTotalMemory(false) / 1024d / 1024d; });
MakeStat("LastMemoryChurn", null, "MB/sec", ContainerMemory,
(s) => { s.Value = Math.Round(MemoryWatchdog.LastMemoryChurn * 1000d / 1024d / 1024d, 3); });
MakeStat("AverageMemoryChurn", null, "MB/sec", ContainerMemory,
(s) => { s.Value = Math.Round(MemoryWatchdog.AverageMemoryChurn * 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)
{
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();
}
}
}
// 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;
}
}
}
|