On Jul 4, 2007, at 11:54 PM, David Laight wrote:

> On Thu, Jul 05, 2007 at 01:38:05AM -0400, Thor Lancelot Simon wrote:
>> I have an application that makes outbound TCP connections at a very  
>> high
>> rate, so high that the overhead of additional system calls to set  
>> socket
>> options considerably impacts performance.
>
> That sounds as though there is something badly wrong in the code
> paths somewhere.
> Even allowing for the system calls costs, I'm surprised that
> setsockopt() gets anywhere near the cost of connect().

Lots and lots of calls?

>
>
> 	David
>
> -- 
> David Laight: david@l8s.co.uk

-- thorpej