CustomActionFilter.cs

public class ControllerActionProfilingFilter : IActionFilter
{
    private Stopwatch stopwatch;

    public void OnActionExecuted(ActionExecutedContext context)
    {
        stopwatch.Stop();
        Log.Logger.Information(
		$"Action {context.ActionDescriptor.DisplayName} " +
        $"executed in {stopwatch.Elapsed.ToString()} " +
        $"RequestId: {context.HttpContext.TraceIdentifier}{Environment.NewLine}");
    }

    public void OnActionExecuting(ActionExecutingContext context)
    {
        Log.Logger.Information(
		$"Profiling {(context.Controller as Controller).Request.Path} " +
        $"RequestId: {context.HttpContext.TraceIdentifier}{Environment.NewLine}");
        stopwatch = Stopwatch.StartNew();
    }
}