In message <3C66D296.F158D590@l8s.co.uk>, David Laight writes:
>Simas Mockevicius wrote:
>
>System call entry exit for 'nop' calls?

LMbench 2.0?  hbench?

Be forwarned: the Linux network stack has historically taken liberties
with its loopback interface. Network throughput tests using local
loopback are worthless as indicators of non-loopback performance.