On Mon, 02 Mar 2015 11:17:33 +0100, Mikael Abrahamsson said:

> We have a huge amount of information in our TCP stacks that either are
> locked in there and not used properly to help users figure out what's
> going on, and there is basically zero information flow between the
> applications using TCP and the TCP stack itself. Each just tries to do its
> best on its own layer.

You might want to touch base with the 'web10g' crew, who are working on
instrumenting the Linux network stack to expose more of the inner variables
for analysis and tuning.

http://web10g.org/