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Changed LogThreadPool to have 4 logging levels. Added console command "debug threadpool level" to set the logging level. 

Resolves http://opensimulator.org/mantis/view.php?id=6945
0.8.0.3
Oren Hurvitz 2014-01-16 15:08:45 +02:00
parent b13214af27
commit 84d7227dfd
2 changed files with 78 additions and 19 deletions
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38
OpenSim/Framework/Servers/ServerBase.cs
View File

@ -280,6 +280,17 @@ namespace OpenSim.Framework.Servers
"Show current debug threadpool parameters.",
HandleDebugThreadpoolStatus);
m_console.Commands.AddCommand(
"Debug", false, "debug threadpool level",
"debug threadpool level 0.." + Util.MAX_THREADPOOL_LEVEL,
"Turn on logging of activity in the main thread pool.",
"Log levels:\n"
+ " 0 = no logging\n"
+ " 1 = only first line of stack trace; don't log common threads\n"
+ " 2 = full stack trace; don't log common threads\n"
+ " 3 = full stack trace, including common threads\n",
HandleDebugThreadpoolLevel);
m_console.Commands.AddCommand(
"Debug", false, "force gc",
"force gc",
@ -432,6 +443,33 @@ namespace OpenSim.Framework.Servers
}
}
private static void HandleDebugThreadpoolLevel(string module, string[] cmdparams)
{
if (cmdparams.Length < 4)
{
MainConsole.Instance.Output("Usage: debug threadpool level 0.." + Util.MAX_THREADPOOL_LEVEL);
return;
}
string rawLevel = cmdparams[3];
int newLevel;
if (!int.TryParse(rawLevel, out newLevel))
{
MainConsole.Instance.OutputFormat("{0} is not a valid debug level", rawLevel);
return;
}
if (newLevel < 0 || newLevel > Util.MAX_THREADPOOL_LEVEL)
{
MainConsole.Instance.OutputFormat("{0} is outside the valid debug level range of 0.." + Util.MAX_THREADPOOL_LEVEL, newLevel);
return;
}
Util.LogThreadPool = newLevel;
MainConsole.Instance.OutputFormat("LogThreadPool set to {0}", newLevel);
}
private void HandleForceGc(string module, string[] args)
{
Notice("Manually invoking runtime garbage collection");

59
OpenSim/Framework/Util.cs
View File

@ -110,15 +110,6 @@ namespace OpenSim.Framework
public int MaxConcurrentWorkItems { get; set; }
}
[Flags]
public enum DebugFlagsEnum : uint
{
None = 0,
// Log every invocation of a thread using the threadpool
LogThreadPool = 0x01
}
/// <summary>
/// Miscellaneous utility functions
/// </summary>
@ -127,13 +118,19 @@ namespace OpenSim.Framework
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <summary>
/// Flags that enable additional debugging.
/// Log-level for the thread pool:
/// 0 = no logging
/// 1 = only first line of stack trace; don't log common threads
/// 2 = full stack trace; don't log common threads
/// 3 = full stack trace, including common threads
/// </summary>
public static DebugFlagsEnum DebugFlags { get; set; }
public static int LogThreadPool { get; set; }
public static readonly int MAX_THREADPOOL_LEVEL = 3;
static Util()
{
DebugFlags = DebugFlagsEnum.None;
LogThreadPool = 0;
}
private static uint nextXferID = 5000;
@ -1921,6 +1918,7 @@ namespace OpenSim.Framework
public long ThreadFuncNum { get; set; }
public string StackTrace { get; set; }
private string context;
public bool LogThread { get; set; }
public IWorkItemResult WorkItem { get; set; }
public Thread Thread { get; set; }
@ -1932,6 +1930,7 @@ namespace OpenSim.Framework
{
ThreadFuncNum = threadFuncNum;
this.context = context;
LogThread = true;
Thread = null;
Running = false;
Aborted = false;
@ -2027,7 +2026,7 @@ namespace OpenSim.Framework
{
WaitCallback realCallback;
bool loggingEnabled = (DebugFlags & DebugFlagsEnum.LogThreadPool) != 0;
bool loggingEnabled = LogThreadPool > 0;
long threadFuncNum = Interlocked.Increment(ref nextThreadFuncNum);
ThreadInfo threadInfo = new ThreadInfo(threadFuncNum, context);
@ -2051,7 +2050,7 @@ namespace OpenSim.Framework
try
{
if (loggingEnabled || (threadFuncOverloadMode == 1))
if ((loggingEnabled || (threadFuncOverloadMode == 1)) && threadInfo.LogThread)
m_log.DebugFormat("Run threadfunc {0} (Queued {1}, Running {2})", threadFuncNum, numQueued1, numRunning1);
Culture.SetCurrentCulture();
@ -2072,7 +2071,7 @@ namespace OpenSim.Framework
threadInfo.Ended();
ThreadInfo dummy;
activeThreads.TryRemove(threadFuncNum, out dummy);
if (loggingEnabled || (threadFuncOverloadMode == 1))
if ((loggingEnabled || (threadFuncOverloadMode == 1)) && threadInfo.LogThread)
m_log.DebugFormat("Exit threadfunc {0} ({1})", threadFuncNum, FormatDuration(threadInfo.Elapsed()));
}
};
@ -2097,11 +2096,16 @@ namespace OpenSim.Framework
{
string full, partial;
GetFireAndForgetStackTrace(out full, out partial);
m_log.DebugFormat("Queue threadfunc {0} (Queued {1}, Running {2}) {3}{4}",
threadFuncNum, numQueued, numRunningThreadFuncs,
(context == null) ? "" : ("(" + context + ") "),
loggingEnabled ? full : partial);
threadInfo.StackTrace = full;
threadInfo.LogThread = ShouldLogThread(partial);
if (threadInfo.LogThread)
{
m_log.DebugFormat("Queue threadfunc {0} (Queued {1}, Running {2}) {3}{4}",
threadFuncNum, numQueued, numRunningThreadFuncs,
(context == null) ? "" : ("(" + context + ") "),
(LogThreadPool >= 2) ? full : partial);
}
}
switch (FireAndForgetMethod)
@ -2142,6 +2146,23 @@ namespace OpenSim.Framework
}
}
/// <summary>
/// Returns whether the thread should be logged. Some very common threads aren't logged,
/// to avoid filling up the log.
/// </summary>
/// <param name="stackTrace">A partial stack trace of where the thread was queued</param>
/// <returns>Whether to log this thread</returns>
private static bool ShouldLogThread(string stackTrace)
{
if (LogThreadPool < 3)
{
if (stackTrace.Contains("BeginFireQueueEmpty"))
return false;
}
return true;
}
/// <summary>
/// Returns a stack trace for a thread added using FireAndForget().
/// </summary>