builint profiler usage in Unity

builtin_profiler_usage.cs

using UnityEngine;
using System.Collections;
using System.Runtime.CompilerServices;


public class Tester : MonoBehaviour
{
	const int kRuns = 10000000;

	const string
		kDirectSampleName = "Direct",
		kCachedSampleName = "Cached";


	Transform m_Cached;


	IEnumerator Start ()
	{
		m_Cached = transform;

		Profiler.enabled = true;

		yield return null;

		Profiler.BeginSample (kDirectSampleName);
			for (int test = 0; test < kRuns; ++test)
			{
				TestDirect ();
			}
		Profiler.EndSample ();

		Profiler.BeginSample (kCachedSampleName);
			for (int test = 0; test < kRuns; ++test)
			{
				TestCached ();
			}
		Profiler.EndSample ();

		yield return null;

		Profiler.enabled = false;
		Debug.Break ();
	}


	[MethodImpl (MethodImplOptions.NoInlining)]
	void TestDirect ()
	{
		transform.hasChanged = !transform.hasChanged;
	}


	[MethodImpl (MethodImplOptions.NoInlining)]
	void TestCached ()
	{
		m_Cached.hasChanged = !m_Cached.hasChanged;
	}
}