public void Configure ( IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory ) {
        loggerFactory.AddConsole( Configuration.GetSection( "Logging" ) );
        loggerFactory.AddDebug();
        loggerFactory.AddFile(@"C:LogsPortalportal-{Date}.txt");

public class BenchmarkFilter : IActionFilter
{
    private readonly ILogger _logger;
    private readonly bool _isBenchmarkOn;
    private string _benchmarkFilePath;

    private Stopwatch _stopWatch = new Stopwatch();

    public BenchmarkFilter(ILoggerFactory loggerFactory, IOptions<AppSettings> appSettings)
    {

        _isBenchmarkOn = appSettings.Value.EnableBenchmarkLogging;
        _benchmarkFilePath = appSettings.Value.BenchmarkFilePath;
    }

    public void OnActionExecuting(ActionExecutingContext context)
    {
        if (_isBenchmarkOn)
        {
            _stopWatch = Stopwatch.StartNew();
        }
    }

    public void OnActionExecuted(ActionExecutedContext context)
    {
        if (_stopWatch.IsRunning)
        {
            _stopWatch.Stop();
            var seconds = _stopWatch.ElapsedMilliseconds;
            //logging to do


        }
    }



}