/// <summary>
/// Prepare for stats collection
/// </summary>
private void Prepare()
{
if (Environment.OSVersion.ToString().StartsWith("unix", StringComparison.InvariantCultureIgnoreCase))
{
logger.Warn(ErrorCode.PerfCounterNotFound, "Windows perf counters are only available on Windows :) -- defaulting to in-memory counters.");
shouldWritePerfCounters = false;
return;
}
if (!OrleansPerfCounterManager.AreWindowsPerfCountersAvailable())
{
logger.Warn(ErrorCode.PerfCounterNotFound, "Windows perf counters not found -- defaulting to in-memory counters. Run CounterControl.exe as Administrator to create perf counters for Orleans.");
shouldWritePerfCounters = false;
return;
}
try
{
OrleansPerfCounterManager.PrecreateCounters();
}
catch (Exception exc)
{
logger.Warn(ErrorCode.PerfCounterFailedToInitialize, "Failed to initialize perf counters -- defaulting to in-memory counters. Run CounterControl.exe as Administrator to create perf counters for Orleans.", exc);
shouldWritePerfCounters = false;
}
}
/// <summary>
/// Handle a timer tick
/// </summary>
/// <param name="state"></param>
private void TimerTick(object state)
{
if (shouldWritePerfCounters)
{
// Write counters to Windows perf counters
int numErrors = OrleansPerfCounterManager.WriteCounters();
if (numErrors > 0)
{
logger.Warn(ErrorCode.PerfCounterWriteErrors,
"Completed writing Windows perf counters with {0} errors", numErrors);
}
else if (logger.IsVerbose2)
{
logger.Verbose2(ErrorCode.PerfCounterWriteSuccess,
"Completed writing Windows perf counters sucessfully");
}
if (numErrors > ERROR_THRESHOLD)
{
logger.Error(ErrorCode.PerfCounterWriteTooManyErrors,
"Too many errors writing Windows perf counters -- disconnecting counters");
shouldWritePerfCounters = false;
}
}
else if (logger.IsVerbose2)
{
logger.Verbose2("Skipping - Writing Windows perf counters is disabled");
}
}
/// <summary>
/// Constructors -- Registers Orleans system performance counters,
/// plus any grain-specific activation conters that can be detected when this installer is run.
/// </summary>
public OrleansPerformanceCounterInstaller()
{
try
{
using (var myPerformanceCounterInstaller = new PerformanceCounterInstaller())
{
myPerformanceCounterInstaller.CategoryName = OrleansPerfCounterManager.CATEGORY_NAME;
myPerformanceCounterInstaller.CategoryType = PerformanceCounterCategoryType.MultiInstance;
myPerformanceCounterInstaller.Counters.AddRange(OrleansPerfCounterManager.GetCounterCreationData());
Installers.Add(myPerformanceCounterInstaller);
}
}
catch (Exception exc)
{
Context.LogMessage("Failed to install performance counters: " + exc.Message);
}
}
/// <summary>
/// Prepare for stats collection
/// </summary>
private void Prepare()
{
if (!OrleansPerfCounterManager.AreWindowsPerfCountersAvailable())
{
logger.Warn(ErrorCode.PerfCounterNotFound, "Windows perf counters not found -- defaulting to in-memory counters. Run CounterControl.exe as Administrator to create perf counters for Orleans.");
shouldWritePerfCounters = false;
return;
}
try
{
OrleansPerfCounterManager.PrecreateCounters();
}
catch (Exception exc)
{
logger.Warn(ErrorCode.PerfCounterFailedToInitialize, "Failed to initialize perf counters -- defaulting to in-memory counters. Run CounterControl.exe as Administrator to create perf counters for Orleans.", exc);
shouldWritePerfCounters = false;
}
}
