请考虑以下用于测量Asp.Net应用程序中的请求/响应时间的代码:
protected void Application_EndRequest() { Trace.WriteLine(string.Format("{0}:{1}",(DateTime.Now - HttpContext.Current.Timestamp).TotalMilliseconds,HttpContext.Current.Request.RawUrl)); }
根据MSDN,DateTime.Now的近似分辨率为10毫秒.
此外,从MSDN HttpContext.Timestamp description开始,
The timestamp returned from the
Timestamp
property is the local time of the server and is set during the instantiation of theHttpContext
object. The local time is equal to the UTC time plus the UTC offset.
理论上,上面的代码应该以毫秒为单位给出总的请求/响应时间.
我的问题是,这将是多么准确?还有更准确/更好的方法吗?