timer

class Timer : IDisposable
{
    private readonly string m_Text;
    private Stopwatch m_Stopwatch;

    public Timer(string text)
    {
        m_Text = text;
        m_Stopwatch = Stopwatch.StartNew();
    }

    public void Dispose()
    {
        m_Stopwatch.Stop();
        Debug.Log(string.Format("Profiled {0}: {1:0.00}ms", m_Text, m_Stopwatch.ElapsedMilliseconds));
    }
}