SVRTimeProfiler.cs

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

struct TimerData {
    public string name;
    public List<double> times;
}

// This class isn't currently considered to be threadsafe, so you know, don't be a dummy.
public class SVRTimeProfiler
{
    private static List<TimerData> _measuredTimes = new List<TimerData>();

    private static Stopwatch _stopWatch = new Stopwatch();
    private static string _title;
    private static uint _numSamples;


    public static void StartTimer(string title, uint numSamples = 0) {
        _stopWatch.Start();
        _title = title;
        _numSamples = numSamples;
    }

    public static void StopTimer() {
        if (_numSamples == 0) {
            UnityEngine.Debug.LogFormat("[{0}] elapsed time : {1} ms", _title, _stopWatch.Elapsed.TotalMilliseconds);
        } 
        else {
            TimerData data = dataForTitle(_title);
            if (data.times.Count >= _numSamples) {
                double total = 0;
                foreach(double time in data.times) {
                    total += time;
                }
                total /= data.times.Count;
                data.times.Clear();
                UnityEngine.Debug.LogFormat("[{0}] avg elapsed time : {1} ms", _title, total);
            }
            data.times.Add(_stopWatch.Elapsed.TotalMilliseconds);
        }
        _stopWatch.Stop();
        _stopWatch.Reset();
    }

    private static TimerData dataForTitle(string title) {
        foreach(TimerData curData in _measuredTimes) {
            if(curData.name == title) {
                return curData;
            }
        }

        TimerData data = new TimerData();
        data.name = title;
        data.times = new List<double>();
        _measuredTimes.Add(data);

        return data;
    }
}