private static IEnumerable <ExposedMetric> GetExposedMetric(SourceAndConfig source)
{
Console.WriteLine($"Getting metrics for {source}..");
// Start collector
var registry = new CollectorRegistry();
using var statsCollector = source.ApplyConfig(DotNetRuntimeStatsBuilder.Customize()).StartCollecting(registry);
// Wait for metrics to be available (hacky!)
Thread.Sleep(1500);
// Pull registered collectors
var collectors = registry.TryGetFieldValue("_collectors", Flags.InstancePrivate) as ConcurrentDictionary <string, Collector>;
return(collectors.Values.Select(c => new ExposedMetric(c, source.Source)));
}