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Add AverageUDPProcessTime stat to try and get a handle on how long we're taking on the initial processing of a UDP packet.

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If we're not receiving packets with multiple threads (m_asyncPacketHandling) then this is critical since it will limit the number of incoming UDP requests that the region can handle and affects packet loss.
If m_asyncPacketHandling then this is less critical though a long process will increase the scope for threads to race.
This is an experimental stat which may be changed.
This commit is contained in:
Justin Clark-Casey (justincc)
2013-07-22 23:30:09 +01:00
parent e6b6af62dd
commit bf517899a7
2 changed files with 56 additions and 2 deletions
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19
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
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@@ -70,8 +70,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
StatsManager.RegisterStat(
new Stat(
"IncomingPacketsProcessedCount",
"Number of inbound UDP packets processed",
"Number of inbound UDP packets processed",
"Number of inbound LL protocol packets processed",
"Number of inbound LL protocol packets processed",
"",
"clientstack",
scene.Name,
@@ -79,6 +79,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
MeasuresOfInterest.AverageChangeOverTime,
stat => stat.Value = m_udpServer.IncomingPacketsProcessed,
StatVerbosity.Debug));
StatsManager.RegisterStat(
new Stat(
"AverageUDPProcessTime",
"Average number of milliseconds taken to process each incoming UDP packet in a sample.",
"This is for initial receive processing which is separate from the later client LL packet processing stage.",
"ms",
"clientstack",
scene.Name,
StatType.Pull,
MeasuresOfInterest.None,
stat => stat.Value = m_udpServer.AverageReceiveTicksForLastSamplePeriod / TimeSpan.TicksPerMillisecond,
// stat =>
// stat.Value = Math.Round(m_udpServer.AverageReceiveTicksForLastSamplePeriod / TimeSpan.TicksPerMillisecond, 7),
StatVerbosity.Debug));
}
public bool HandlesRegion(Location x)