XML（.NET）を介してトランザクションに詳細を追加する

private void SyncMethod()
{
}

private async Task AsyncMethod_Task()
{
}

private async Task<string> AsyncMethod_TypedTask()
{
    return "ok";
}

private async void AsyncMethod_Void()
{
}

[Transaction]
private void TransactionAttributedMethod()
{
}

[Trace]
private void TracedAttributedMethod()
{
}

Task.Run(SyncMethod);

Task.Factory.StartNew(AsyncMethod_Task);

var newThread = new Thread(new ThreadStart(SyncMethod));
newThread.Start();

SyncMethod();              // This is not an asynchronous call

await AsyncMethod_Task();  // Not started with Task.Run, Task.Factor.StartNew, or new Thread()

AsyncMethod_Void();        // Async Void is not supported

<?xml version="1.0" encoding="utf-8"?>
<extension xmlns="urn:newrelic-extension">
  <instrumentation>
    <!-- instrument CustomInstrumentDemo.Controllers.FirstController.FirstExample and creates metric named Custom/Foo1 -->
    <tracerFactory metricName="Custom/Foo1">
      <match assemblyName="CustomInstrumentDemo" className="CustomInstrumentDemo.Controllers.FirstController">
        <exactMethodMatcher methodName="FirstExample" />
      </match>
    </tracerFactory>

    <!-- instrument CustomInstrumentDemo.Controllers.SecondController.SecondExample -->
    <tracerFactory>
      <match assemblyName="CustomInstrumentDemo" className="CustomInstrumentDemo.Controllers.SecondController">
        <exactMethodMatcher methodName="SecondExample" />
      </match>
    </tracerFactory>

    <!-- ignore CustomInstrumentDemo.Controllers.SecondController.ThirdExample -->
    <tracerFactory name="NewRelic.Agent.Core.Tracer.Factories.IgnoreTransactionTracerFactory">
      <match assemblyName="CustomInstrumentDemo" className="CustomInstrumentDemo.Controllers.SecondController">
        <exactMethodMatcher methodName="ThirdExample" />
      </match>
    </tracerFactory>

    <!-- instrument CustomInstrumentDemo.Controllers.SecondController.FourthExample and creates metric named Custom/{value},
         where {value} is the value of the first string parameter of the instrumented method
         (in this case, the first string parameter is "name"). -->
    <tracerFactory name="NewRelic.Agent.Core.Tracer.Factories.CustomSegmentTracerFactory">
      <match assemblyName="CustomInstrumentDemo" className="CustomInstrumentDemo.Controllers.SecondController">
        <exactMethodMatcher methodName="FourthExample" />
      </match>
    </tracerFactory>
  </instrumentation>
</extension>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Threading;

namespace CustomInstrumentDemo.Controllers
{
    public class FirstController : Controller
    {
        public ActionResult Foo1()
        {
            ViewBag.Message = "Your Sample Page";
            FirstExample();
            return View();
        }

        public void FirstExample()
        {
            int firstVar = 1;
            for (int i = 0; i <= 500; i++)
            {
                firstVar *= 5;
                Thread.Sleep(50);
            } 
        }
    }

    public class SecondController : Controller
    {
        public ActionResult Foo2()
        {
            ViewBag.Message = "This view will include detailed information on the SecondExample method";
            SecondExample();
            return view;
        }

        public ActionResult Foo3()
        {
            ViewBag.Message = "This view will be ignored because of the inclusion of the ThirdExample method";
            ThirdExample();
        }

        public void SecondExample()
        {
            int secondVar = 2;

            using (var connection = new SqlConnection(ConnectionStrings["MsSqlConnection"].ConnectionString))
            {
                connection.Open();
                using (var command = new SqlCommand("SELECT * FROM table", connection))
                using (var reader = command.ExecuteReader())
                {
                    reader.Read();
                }
            }
        }

        public void ThirdExample()
        {
            try
            {
                var ImNotABool = "43";
                bool.Parse(ImNotABool);
            }
            catch (Exception ex)
            {
                NewRelic.Api.Agent.NewRelic.NoticeError(ex);
            }
        }

        public void FourthExample(int id, string name)
        {
            Console.WriteLine("The ID passed in was " + id + " and the name passed in was " + name);
        }
    }
}