浅析.netcore抛异常对性能影响

/// <summary>
        /// 正常返回数据接口1
        /// </summary>
        /// <returns></returns        
        [HttpGet("Test1")]
        public async Task<IActionResult> Test()
        {
            return Content("1");
        }

        /// <summary>
        /// 抛异常返回接口2 ，同时存在全局过滤器
        /// </summary>
        /// <returns></returns        
        [HttpGet("Test2")]
        public async Task<IActionResult> Test2(string open)
        {
            throw new BusinessException(Model.EnumApiCode.SignWrong);
        }

    /// <summary>
    /// 全局异常日志
    /// </summary>
    public class ExceptionFilter : IExceptionFilter
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="context"></param>
        public void OnException(ExceptionContext context)
        {
            //不做任何处理，直接返回1
            context.Result = new JSONResult("1");
        }
    }

   //全局过滤器注入
   services.AddControllers()
       .AddmvcOptions(option =>
       {
             option.Filters.Add<ExceptionFilter>();
       });

/// <summary>
        /// 抛异常返回接口2 ，直接try catch 不走全局过滤器
        /// </summary>
        /// <returns></returns        
        [HttpGet("Test2")]
        public async Task<IActionResult> Test2()
        {
            try
            {
                throw new BusinessException(Model.EnumApiCode.SignWrong);
            }
            catch (Exception ex)
            {
                return Content("1");
            }
        }

 /// <summary>
        /// 正常返回数据接口1，但是先new 异常出来，保持跟上面test2 代码一致
        /// </summary>
        /// <returns></returns        
        [HttpGet("Test2")]
        public async Task<IActionResult> Test2(string open)
        {
            var ex= new BusinessException(Model.EnumApiCode.SignWrong);
            return Content("1");
        }