protected override void OnEventCommand(EventCommandEventArgs command)
{
if (command.Command == EventCommand.Enable)
{
// NOTE: These counters will NOT be disposed on disable command because we may be introducing
// a race condition by doing that. We still want to create these lazily so that we aren't adding
// overhead by at all times even when counters aren't enabled.
// On disable, PollingCounters will stop polling for values so it should be fine to leave them around.
_cpuTimeCounter = _cpuTimeCounter ?? new PollingCounter("cpu-usage", this, () => RuntimeEventSourceHelper.GetCpuUsage())
{
DisplayName = "CPU Usage"
};
_workingSetCounter = _workingSetCounter ?? new PollingCounter("working-set", this, () => (double)(Environment.WorkingSet / 1000000))
{
DisplayName = "Working Set"
};
_gcHeapSizeCounter = _gcHeapSizeCounter ?? new PollingCounter("gc-heap-size", this, () => (double)(GC.GetTotalMemory(false) / 1000000))
{
DisplayName = "GC Heap Size"
};
_gen0GCCounter = _gen0GCCounter ?? new IncrementingPollingCounter("gen-0-gc-count", this, () => GC.CollectionCount(0))
{
DisplayName = "Gen 0 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_gen1GCCounter = _gen1GCCounter ?? new IncrementingPollingCounter("gen-1-gc-count", this, () => GC.CollectionCount(1))
{
DisplayName = "Gen 1 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_gen2GCCounter = _gen2GCCounter ?? new IncrementingPollingCounter("gen-2-gc-count", this, () => GC.CollectionCount(2))
{
DisplayName = "Gen 2 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_exceptionCounter = _exceptionCounter ?? new IncrementingPollingCounter("exception-count", this, () => Exception.GetExceptionCount())
{
DisplayName = "Exception Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_threadPoolThreadCounter = _threadPoolThreadCounter ?? new PollingCounter("threadpool-thread-count", this, () => ThreadPool.ThreadCount)
{
DisplayName = "ThreadPool Thread Count"
};
_monitorContentionCounter = _monitorContentionCounter ?? new IncrementingPollingCounter("monitor-lock-contention-count", this, () => Monitor.LockContentionCount)
{
DisplayName = "Monitor Lock Contention Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_threadPoolQueueCounter = _threadPoolQueueCounter ?? new PollingCounter("threadpool-queue-length", this, () => ThreadPool.PendingWorkItemCount)
{
DisplayName = "ThreadPool Queue Length"
};
_completedItemsCounter = _completedItemsCounter ?? new IncrementingPollingCounter("threadpool-completed-items-count", this, () => ThreadPool.CompletedWorkItemCount)
{
DisplayName = "ThreadPool Completed Work Item Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
_assemblyCounter = _assemblyCounter ?? new PollingCounter("assembly-count", this, () => System.Reflection.Assembly.GetAssemblyCount())
{
DisplayName = "Number of Assemblies Loaded"
};
}
}
protected override void OnEventCommand(EventCommandEventArgs command)
{
if (command.Command == EventCommand.Enable)
{
// NOTE: These counters will NOT be disposed on disable command because we may be introducing
// a race condition by doing that. We still want to create these lazily so that we aren't adding
// overhead by at all times even when counters aren't enabled.
// On disable, PollingCounters will stop polling for values so it should be fine to leave them around.
_cpuTimeCounter = _cpuTimeCounter ?? new PollingCounter("cpu-usage", this, () => RuntimeEventSourceHelper.GetCpuUsage())
{
DisplayName = "CPU Usage"
};
_workingSetCounter = _workingSetCounter ?? new PollingCounter("working-set", this, () => (double)(Environment.WorkingSet / 1000000))
{
DisplayName = "Working Set"
};
_gcHeapSizeCounter = _gcHeapSizeCounter ?? new PollingCounter("gc-heap-size", this, () => (double)(GC.GetTotalMemory(false) / 1000000))
{
DisplayName = "GC Heap Size"
};
_gen0GCCounter = _gen0GCCounter ?? new IncrementingPollingCounter("gen-0-gc-count", this, () => GC.CollectionCount(0))
{
DisplayName = "Gen 0 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_gen1GCCounter = _gen1GCCounter ?? new IncrementingPollingCounter("gen-1-gc-count", this, () => GC.CollectionCount(1))
{
DisplayName = "Gen 1 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_gen2GCCounter = _gen2GCCounter ?? new IncrementingPollingCounter("gen-2-gc-count", this, () => GC.CollectionCount(2))
{
DisplayName = "Gen 2 GC Count", DisplayRateTimeScale = new TimeSpan(0, 1, 0)
};
_exceptionCounter = _exceptionCounter ?? new IncrementingPollingCounter("exception-count", this, () => Exception.GetExceptionCount())
{
DisplayName = "Exception Count", DisplayRateTimeScale = new TimeSpan(0, 0, 1)
};
}
}
protected override void OnEventCommand(EventCommandEventArgs command)
{
if (command.Command == EventCommand.Enable)
{
// Comment taken from RuntimeEventSource in CoreCLR
// NOTE: These counters will NOT be disposed on disable command because we may be introducing
// a race condition by doing that. We still want to create these lazily so that we aren't adding
// overhead by at all times even when counters aren't enabled.
// On disable, PollingCounters will stop polling for values so it should be fine to leave them around.
_bytesWrittenPerSecondCounter = new IncrementingPollingCounter("bytes-written-per-second", this, () => _bytesWritten)
{
DisplayName = "Bytes Written",
DisplayRateTimeScale = TimeSpan.FromSeconds(1)
};
_bytesReadPerSecondCounter = new IncrementingPollingCounter("bytes-read-per-second", this, () => _bytesRead)
{
DisplayName = "Bytes Read",
DisplayRateTimeScale = TimeSpan.FromSeconds(1)
};
_commandsPerSecondCounter = new IncrementingPollingCounter("commands-per-second", this, () => _totalCommands)
{
DisplayName = "Command Rate",
DisplayRateTimeScale = TimeSpan.FromSeconds(1)
};
_totalCommandsCounter = new PollingCounter("total-commands", this, () => _totalCommands)
{
DisplayName = "Total Commands",
};
_currentCommandsCounter = new PollingCounter("current-commands", this, () => _currentCommands)
{
DisplayName = "Current Commands"
};
_failedCommandsCounter = new PollingCounter("failed-commands", this, () => _failedCommands)
{
DisplayName = "Failed Commands"
};
_preparedCommandsRatioCounter = new PollingCounter(
"prepared-commands-ratio",
this,
() => (double)_totalPreparedCommands / (double)_totalCommands)
{
DisplayName = "Prepared Commands Ratio",
DisplayUnits = "%"
};
_poolsCounter = new PollingCounter("connection-pools", this, () => _pools)
{
DisplayName = "Connection Pools"
};
_idleConnectionsCounter = new PollingCounter("idle-connections", this, () => GetIdleConnections())
{
DisplayName = "Idle Connections"
};
_busyConnectionsCounter = new PollingCounter("busy-connections", this, () => GetBusyConnections())
{
DisplayName = "Busy Connections"
};
_multiplexingAverageCommandsPerBatchCounter = new PollingCounter("multiplexing-average-commands-per-batch", this, () => (double)_multiplexingCommandsSent / _multiplexingBatchesSent)
{
DisplayName = "Average commands per multiplexing batch"
};
_multiplexingAverageWaitsPerBatchCounter = new PollingCounter("multiplexing-average-waits-per-batch", this, () => (double)_multiplexingWaits / _multiplexingBatchesSent)
{
DisplayName = "Average waits per multiplexing batch"
};
_multiplexingAverageWriteTimePerBatchCounter = new PollingCounter("multiplexing-average-write-time-per-batch", this, () => (double)_multiplexingTicksWritten / _multiplexingBatchesSent / 1000)
{
DisplayName = "Average write time per multiplexing batch (us)",
DisplayUnits = "us"
};
}
}