Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28

Eric Dumazet
2008-11-21T18:16:51Z

Christoph Lameter a écrit :
> AIM9 results:
> TCP UDP
> 2.6.22 104868.00 489970.03
> 2.6.28-rc5 110007.00 518640.00
> net-next 108207.00 514790.00
>
> net-next looses here for some reason against 2.6.28-rc5. But the numbers
> are better than 2.6.22 in any case.
>

I found that on current net-next, running oprofile in background can give better bench
results. Thats really curious... no ?

So the single loop on close(socket()), on all my 8 cpus is almost 10% faster if oprofile
is running... (20 secs instead of 23 secs)