0.5ms以上の負荷を計上したら止める

ProfileTest.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Profiling;

public class ProfileTest : MonoBehaviour {

	Recorder recorder, hit;

	void Awake()
	{
		recorder = Recorder.Get("FixedUpdate.PhysicsFixedUpdate");
		recorder.enabled = true;
	}
		
	void Update()
	{
		if (recorder.elapsedNanoseconds > 5000000f) {
			UnityEditor.EditorApplication.isPaused = true;
		}
	}
}