.NET必知的EventCounters性能指标监视器详解

dot tool install --global dot-counters

dot tool update dot-counters --global

dot-counters ps
  12268 dot C:\Program Files\dot\dot.exe
  16324 dot C:\Program Files\dot\dot.exe

dot-counters monitor -p 12268

dot-counters monitor -p 12268 System.Runtime MyEventSource

dot-counters monitor -p 12268 System.Runtime[cpu-usage,gc-heap-size] 

dot-counters monitor -p 12268 --refresh-interval 3 System.Runtime[cpu-usage,gc-heap-size]

 internal sealed class MyEventListener : EventListener
 {
  protected override void OnEventSourceCreated(EventSource eventSource)
  {
   if (eventSource.Name.Equals("Microsoft-Windows-DotNETRuntime"))
   {
    EnableEvents(eventSource, EventLevel.Verbose, (EventKeywords)(-1));
   }
  }
 }

 protected override void OnEventWritten(EventWrittenEventArgs eventData)
  {
   Console.WriteLine($"ThreadID = {eventData.OSThreadId} ID = {eventData.EventId} Name = {eventData.EventName}");
   for (int i = 0; i < eventData.Payload.Count; i++)
   {
    string payloadString = eventData.Payload[i]?.ToString() ?? string.Empty;
    Console.WriteLine($"\tName = \"{eventData.PayloadNames[i]}\" Value = \"{payloadString}\"");
   }
   Console.WriteLine("\n");
  }