Version: 2017.3
public static string logFile ;


Specifies the file to use when writing profiling data.

In addition to specifying a valid file path, you must set both Profiler.enabled and Profiler.enableBinaryLog to true in order to save profiling information.

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

public class ExampleClass : MonoBehaviour { void Start() { Profiler.logFile = "mylog"; //Also supports passing "myLog.raw" Profiler.enableBinaryLog = true; Profiler.enabled = true; } }