GC-동작-시간-확인

using System;
using System.Diagnostics;

class Program
{
    static void Main()
    {
        Stopwatch sw = new Stopwatch();

        // Full GC 강제 호출 및 시간 측정
        sw.Start();
        GC.Collect();
        GC.WaitForPendingFinalizers();
        GC.Collect();
        sw.Stop();

        Console.WriteLine($"GC 수행 시간: {sw.ElapsedMilliseconds} ms");
    }
}

using System;
using System.Diagnostics.Tracing;
using System.Threading;

class Program
{
    static void Main()
    {
        var listener = new GCEventListener();
        Console.WriteLine("GC 모니터링 시작...");
        Thread.Sleep(Timeout.Infinite); // 프로그램을 유지
    }
}

class GCEventListener : EventListener
{
	public Stopwatch sw = new Stopwatch();
	int gcElapsed;
    private DateTime _gcStartTime;

    protected override void OnEventSourceCreated(EventSource eventSource)
    {
        // GC 관련 이벤트를 구독
        if (eventSource.Name == "Microsoft-Windows-DotNETRuntime")
        {
	        //0x1: GC 이벤트.
			//0x10: 기본 GC 이벤트를 활성화.
			//0x20: 특정 추가 GC 이벤트를 활성화.
             EnableEvents(eventSource, EventLevel.Verbose, (EventKeywords)(0x1 | 0x10 | 0x20));
        }
    }

    protected override void OnEventWritten(EventWrittenEventArgs eventData)
    {
        if (eventData.EventName!.Equals("GCSuspendEEBegin"))
		    sw.Restart();
		else if (eventData.EventName!.Equals("GCSuspendEEEnd"))
		{
		    gcElapsed = sw.GetElapsedMicroseconds();
		    Console.WriteLine($"GC : {gcElapsed}");
		}    
    }
}

using System;
using System.Diagnostics;
using System.Diagnostics.Tracing;

class Program
{
    static void Main()
    {
        var listener = new DiagnosticListener("GC_Monitor");
        GC.Collect();
        Console.ReadLine();
    }
}

class GCEventListener : EventListener
{
    private Stopwatch _stopwatch;

    protected override void OnEventSourceCreated(EventSource eventSource)
    {
        if (eventSource.Name == "System.Runtime")
        {
            EnableEvents(eventSource, EventLevel.Informational, EventKeywords.None);
        }
    }

    protected override void OnEventWritten(EventWrittenEventArgs eventData)
    {
        if (eventData.EventName == "GCStart")
        {
            _stopwatch = Stopwatch.StartNew();
            Console.WriteLine("GC 시작...");
        }
        else if (eventData.EventName == "GCEnd")
        {
            _stopwatch.Stop();
            Console.WriteLine($"GC 종료. 소요 시간: {_stopwatch.ElapsedMilliseconds} ms");
        }
    }
}

dotnet tool install --global dotnet-counters

dotnet-counters monitor --process-id <PID> System.Runtime