public void Refresh()
{
// Can't use a Timing because Dogstatsd doesn't support local aggregation
// It means that the aggregations in the UI would be wrong
_statsd.Gauge(MetricsNames.ContentionTime, _contentionTime.Clear());
_statsd.Counter(MetricsNames.ContentionCount, Interlocked.Exchange(ref _contentionCount, 0));
_statsd.Gauge(MetricsNames.ThreadPoolWorkersCount, ThreadPool.ThreadCount);
}
public static void Warning(this IDogStatsd statsd, string source, string message, string[] tags = null)
{
if (statsd != null)
{
string[] warningTags =
{
$"source:{source}",
$"message:{message}"
};
string[] allTags = warningTags.Concat(tags ?? Enumerable.Empty <string>()).ToArray();
statsd.Counter(TracerMetricNames.Health.Warnings, value: 1, sampleRate: 1, allTags);
}
}
public static void Exception(this IDogStatsd statsd, Exception exception, string source, string message, string[] tags = null)
{
if (statsd != null)
{
string[] exceptionTags =
{
$"source:{source}",
$"message:{message}",
$"exception-type:{exception.GetType().FullName}",
$"exception-message:{exception.Message}",
};
string[] allTags = exceptionTags.Concat(tags ?? Enumerable.Empty <string>()).ToArray();
statsd.Counter(TracerMetricNames.Health.Exceptions, value: 1, sampleRate: 1, allTags);
}
}
private void TryUpdateCounter(string path, PerformanceCounterWrapper counter, ref long?lastValue)
{
var value = counter.GetValue(_instanceName);
if (value == null)
{
return;
}
if (lastValue == null)
{
lastValue = value;
return;
}
_statsd.Counter(path, value - lastValue);
lastValue = value;
}
private void PushEvents()
{
try
{
if (_enableProcessMetrics)
{
ProcessHelpers.GetCurrentProcessRuntimeMetrics(out var newUserCpu, out var newSystemCpu, out var threadCount, out var memoryUsage);
// Get the CPU time per second
var userCpu = (newUserCpu - _previousUserCpu).TotalMilliseconds / (_delay / 1000.0);
var systemCpu = (newSystemCpu - _previousSystemCpu).TotalMilliseconds / (_delay / 1000.0);
_previousUserCpu = newUserCpu;
_previousSystemCpu = newSystemCpu;
_statsd.Gauge("runtime.dotnet.threads.count", threadCount);
_statsd.Gauge("runtime.dotnet.mem.committed", memoryUsage);
_statsd.Gauge("runtime.dotnet.cpu.user", userCpu);
_statsd.Gauge("runtime.dotnet.cpu.system", systemCpu);
}
// Can't use a Timing because Dogstatsd doesn't support local aggregation
// It means that the aggregations in the UI would be wrong
_statsd.Gauge("runtime.dotnet.threads.contention_time", _contentionTime.Clear());
_statsd.Counter("runtime.dotnet.threads.contention_count", Interlocked.Exchange(ref _contentionCount, 0));
#if NETCOREAPP
_statsd.Gauge("runtime.dotnet.threads.workers_count", ThreadPool.ThreadCount);
#endif
}
catch (Exception ex)
{
Log.Warning(ex, "Error while updating runtime metrics");
}
}