protected override void OnEventCommand(System.Diagnostics.Tracing.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.
_gcHeapSizeCounter = _gcHeapSizeCounter ?? new PollingCounter("GC Heap Size", this, () => GC.GetTotalMemory(false));
_gen0GCCounter = _gen0GCCounter ?? new IncrementingPollingCounter("Gen 0 GC Count", this, () => GC.CollectionCount(0));
_gen1GCCounter = _gen1GCCounter ?? new IncrementingPollingCounter("Gen 1 GC Count", this, () => GC.CollectionCount(1));
_gen2GCCounter = _gen2GCCounter ?? new IncrementingPollingCounter("Gen 2 GC Count", this, () => GC.CollectionCount(2));
_exceptionCounter = _exceptionCounter ?? new IncrementingPollingCounter("Exception Count", this, () => Exception.GetExceptionCount());
}
}
protected override void OnEventCommand(System.Diagnostics.Tracing.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)
};
}
}