C# execution timer

TimeMachine.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;

public class TimeMachine
{
    public static Dictionary<string, Stopwatch> Timers = new Dictionary<string, Stopwatch>();

    public static void Start(string name)
    {
        if (!Timers.ContainsKey(name))
        {
            Stopwatch T = Stopwatch.StartNew();
            Timers.Add(name, T);
        }
        else
        {
            Stopwatch T = Timers[name];
            T.Reset();
            T.Start();
        }
    }

    public static void Dump(string name)
    {
        if (Timers.ContainsKey(name))
        {
            long microseconds = Timers[name].ElapsedTicks / (TimeSpan.TicksPerMillisecond / 1000);
            UnityEngine.Debug.Log(name + ": " + 
                microseconds + " μs | " + 
                Timers[name].ElapsedMilliseconds + " ms | " +
                Timers[name].ElapsedTicks + " ticks");
        }
    }
}