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Automatically start logging FireAndForget activity if the threadpool is full 

Resolves http://opensimulator.org/mantis/view.php?id=6945
0.8.0.3
Oren Hurvitz 2013-12-05 08:40:41 +02:00
parent 7c0ebcb984
commit 8555e54e22
1 changed files with 19 additions and 4 deletions
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23
OpenSim/Framework/Util.cs
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@ -1901,11 +1901,14 @@ namespace OpenSim.Framework
private static long nextThreadFuncNum = 0;
private static long numQueuedThreadFuncs = 0;
private static long numRunningThreadFuncs = 0;
private static Int32 threadFuncOverloadMode = 0;
public static void FireAndForget(System.Threading.WaitCallback callback, object obj)
{
WaitCallback realCallback;
bool loggingEnabled = LogThreadPool;
long threadFuncNum = Interlocked.Increment(ref nextThreadFuncNum);
if (FireAndForgetMethod == FireAndForgetMethod.RegressionTest)
@ -1925,7 +1928,7 @@ namespace OpenSim.Framework
try
{
if (LogThreadPool)
if (loggingEnabled || (threadFuncOverloadMode == 1))
m_log.DebugFormat("Run threadfunc {0} (Queued {1}, Running {2})", threadFuncNum, numQueued1, numRunning1);
Culture.SetCurrentCulture();
@ -1939,7 +1942,7 @@ namespace OpenSim.Framework
finally
{
Interlocked.Decrement(ref numRunningThreadFuncs);
if (LogThreadPool)
if (loggingEnabled || (threadFuncOverloadMode == 1))
m_log.Debug("Exit threadfunc " + threadFuncNum);
}
};
@ -1948,9 +1951,21 @@ namespace OpenSim.Framework
long numQueued = Interlocked.Increment(ref numQueuedThreadFuncs);
try
{
if (LogThreadPool)
long numRunning = numRunningThreadFuncs;
if ((threadFuncOverloadMode == 0) && (numRunning >= m_ThreadPool.MaxThreads))
{
if (Interlocked.CompareExchange(ref threadFuncOverloadMode, 1, 0) == 0)
m_log.DebugFormat("Threadfunc: enable overload mode (Queued {0}, Running {1})", numQueued, numRunning);
}
else if ((threadFuncOverloadMode == 1) && (numRunning <= (m_ThreadPool.MaxThreads*2)/3))
{
if (Interlocked.CompareExchange(ref threadFuncOverloadMode, 0, 1) == 1)
m_log.DebugFormat("Threadfunc: disable overload mode (Queued {0}, Running {1})", numQueued, numRunning);
}
if (loggingEnabled || (threadFuncOverloadMode == 1))
m_log.DebugFormat("Queue threadfunc {0} (Queued {1}, Running {2}) {3}",
threadFuncNum, numQueued, numRunningThreadFuncs, GetFireAndForgetStackTrace(true));
threadFuncNum, numQueued, numRunningThreadFuncs, GetFireAndForgetStackTrace(loggingEnabled));
switch (FireAndForgetMethod)
{